conserved catalytic core domain of RNA-dependent RNA polymerase (RdRp) from the positive-sense single-stranded RNA [(+)ssRNA] viruses and closely related viruses; This family contains the catalytic core domain of RdRp of RNA viruses which belong to Group IV of the Baltimore classification system, and are a group of related viruses that have positive-sense (+), single-stranded (ss) genomes made of ribonucleic acid (RNA). RdRp (also known as RNA replicase) catalyzes the replication of RNA from an RNA template; specifically, it catalyzes the synthesis of the RNA strand complementary to a given RNA template. The Baltimore Classification is divided into 7 classes, 3 of which include RNA viruses: Group IV (+) RNA viruses, Group III double-stranded (ds) RNA viruses, and Group V negative-sense (-) RNA viruses. Baltimore groups of viruses differ with respect to the nature of their genome (i.e., the nucleic acid form that is packaged into virions) and correspond to distinct strategies of genome replication and expression. (+) viral RNA is similar to mRNA and thus can be immediately translated by the host cell. (+)ssRNA viruses can also produce (+) copies of the genome from (-) strands of an intermediate dsRNA genome. This acts as both a transcription and a replication process since the replicated RNA is also mRNA. RdRps belong to the expansive class of polymerases containing so-called palm catalytic domains along with the accessory fingers and thumb domains. All RdRps also have six conserved structural motifs (A-F), located in its majority in the palm subdomain (A-E motifs) and the F motif is located on the finger subdomain. All these motifs have been shown to be implicated in RdRp fidelity such as processes of correct incorporation and reorganization of nucleotides. In addition to Group IV viruses, this model also includes Picobirnaviruses (PBVs), members of the family Picobirnaviridae of dsRNA viruses (Baltimore classification Group III), which are bi-segmented dsRNA viruses. The phylogenetic tree of the RdRps of RNA viruses (realm Riboviria) showed that picobirnaviruses are embedded in the branch of diverse (+)RNA viruses; sometimes they are collectively referred to as the picornavirus supergroup. RdRps of members of the family Permutatetraviridae, a distinct group of RNA viruses that encompass a circular permutation within the RdRp palm domain, are not included in this model.

                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 219525296   1 DHVIAFRMLFGRFIAHYHLNFGFKTGSAIGCDPDVAWASFGFELSGFPYLYDFDYSNFDASHSTSIFEILEQKFFSPELG 80
Cdd:cd23226  184 DHVLAFRIVLGRFMAHFHNNYGFELGSAVGCDPDVAWANFGFALSSKKYQYDFDYSNFDASHSESIFELLKQFVFTKDNG 263

                         90       100
                 ....*....|....*....|....
gi 219525296  81 FDPRCSLLLKSLAVSTHCYENKRL 104
Cdd:cd23226  264 FDHRCSLMIDSLVTSTHCYEDQRM 287

RNA-dependent RNA polymerase (RdRp) in the genus Cosavirus of positive-sense single-stranded RNA [(+)ssRNA] viruses, within the family Picornaviridae; This group contains the RdRp of RNA viruses belonging to the Cosavirus genus within the family Picornaviridae, order Picornavirales. The Cosavirus contains viruses with (+)ssRNA genomes that produce nonenveloped virions. This genus consists of five species Cosavirus A, Cosavirus B, Cosavirus D, Cosavirus E and Cosavirus F. The candidate species, Cosavirus C, remains unclassified due to a lack of full genome sequence data. Cosaviruses (formerly called Dekaviruses) have been identified in the stools of south Asian children. Cosaviruses are most closely related to members of the Cardiovirus and Senecavirus genera, but they lack a leader polypeptide. The name Cosavirus stands for common stool-associated picornavirus. RdRps catalyze RNA template-dependent formation of phosphodiester bonds between ribonucleotides in the presence of divalent metal ions. The initiation of synthesis occurs at the 3'-end of the template in a VPg-dependent manner, and proceeds in the direction of 5'-3'. The active sites of RdRps are highly conserved in different species of picornaviruses. The RdRp domain displays a right hand with three functional subdomains, called fingers, palm, and thumb. All RdRps contain conserved polymerase motifs (A-G), located in the palm (A-E motifs) and finger (F-G) subdomains. All these motifs have been implicated in RdRp fidelity such as processes of correct incorporation and reorganization of nucleotides.

                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 219525296   1 DHVIAFRMLFGRFIAHYHLNFGFKTGSAIGCDPDVAWASFGFELSGFPYLYDFDYSNFDASHSTSIFEILEQKFFSPELG 80
Cdd:cd23226  184 DHVLAFRIVLGRFMAHFHNNYGFELGSAVGCDPDVAWANFGFALSSKKYQYDFDYSNFDASHSESIFELLKQFVFTKDNG 263

                         90       100
                 ....*....|....*....|....
gi 219525296  81 FDPRCSLLLKSLAVSTHCYENKRL 104
Cdd:cd23226  264 FDHRCSLMIDSLVTSTHCYEDQRM 287

RNA-dependent RNA polymerase (RdRp) in the genus Cosavirus of positive-sense single-stranded RNA [(+)ssRNA] viruses, within the family Picornaviridae; This group contains the RdRp of RNA viruses belonging to the Cosavirus genus within the family Picornaviridae, order Picornavirales. The Cosavirus contains viruses with (+)ssRNA genomes that produce nonenveloped virions. This genus consists of five species Cosavirus A, Cosavirus B, Cosavirus D, Cosavirus E and Cosavirus F. The candidate species, Cosavirus C, remains unclassified due to a lack of full genome sequence data. Cosaviruses (formerly called Dekaviruses) have been identified in the stools of south Asian children. Cosaviruses are most closely related to members of the Cardiovirus and Senecavirus genera, but they lack a leader polypeptide. The name Cosavirus stands for common stool-associated picornavirus. RdRps catalyze RNA template-dependent formation of phosphodiester bonds between ribonucleotides in the presence of divalent metal ions. The initiation of synthesis occurs at the 3'-end of the template in a VPg-dependent manner, and proceeds in the direction of 5'-3'. The active sites of RdRps are highly conserved in different species of picornaviruses. The RdRp domain displays a right hand with three functional subdomains, called fingers, palm, and thumb. All RdRps contain conserved polymerase motifs (A-G), located in the palm (A-E motifs) and finger (F-G) subdomains. All these motifs have been implicated in RdRp fidelity such as processes of correct incorporation and reorganization of nucleotides.

                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 219525296   1 DHVIAFRMLFGRFIAHYHLNFGFKTGSAIGCDPDVAWASFGFELSGFPYLYDFDYSNFDASHSTSIFEILEQKFFSPELG 80
Cdd:cd23226  184 DHVLAFRIVLGRFMAHFHNNYGFELGSAVGCDPDVAWANFGFALSSKKYQYDFDYSNFDASHSESIFELLKQFVFTKDNG 263

                         90       100
                 ....*....|....*....|....
gi 219525296  81 FDPRCSLLLKSLAVSTHCYENKRL 104
Cdd:cd23226  264 FDHRCSLMIDSLVTSTHCYEDQRM 287

catalytic core domain of RNA-dependent RNA polymerase (RdRp) in the family Picornaviridae of positive-sense single-stranded RNA [(+)ssRNA] viruses; This group contains the catalytic core domain of RdRp of RNA viruses belonging to the family Picornaviridae, order Picornavirales. The Picornaviridae family consists of small, icosahedral viruses with (+)ssRNA genomes. Characteristic features of all members of the family Picornaviridae are three capsid proteins with beta-barrel folding, polyprotein processing by virus-encoded cysteine proteinase(s), and replication by an RdRp with a YGDD sequence motif. The family Picornaviridae comprises 68 genera containing 158 species, but many viruses are presently awaiting classification. The established genera of the family include: Aphthovirus, Avisivirus, Crohivirus, Enterovirus, Teschovirus, Cardiovirus, Erbovirus, Kobuvirus, Hepatovirus, Parechovirus, Aquamavirus, Avihepatovirus, Avisivirus, Cosavirus, Dicipivirus, Fipivirus, Gallivirus, Hunnivirus, Kunsagivirus, Limnipivirus, Megrivirus, Mischivirus, Mosavirus, Oscivirus, Pasivirus, Passerivirus, Rabovirus, Rosavirus, Sakobuvirus, Salivirus, Sapelovirus, Senecavirus, Sicinivirus, and Tremovirus. The Picornaviridae contains many important human and animal pathogens including enteroviruses (such as poliovirus, enterovirus, coxsackievirus, and rhinovirus), cardioviruses (such as encephalomyocarditis virus and Theiler's virus), hepatitis A virus and foot-and-mouth disease virus. Infection with various picornaviruses may cause encephalitis, febrile rash illnesses (hand-foot-and-mouth disease), aseptic meningitis, hepatitis, conjunctivitis, herpangina, myositis and myocarditis, and the common cold. The RdRp domain displays a right hand with three functional subdomains, called fingers, palm, and thumb. All RdRps contain conserved polymerase motifs (A-G), located in the palm (A-E motifs) and finger (F-G) subdomains. All these motifs have been implicated in RdRp fidelity such as processes of correct incorporation and reorganization of nucleotides.

                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 219525296   1 DHVIAFRMLFGRFIAHYHLNFGFKTGSAIGCDPDVAWASFGFELSGfPYLYDFDYSNFDASHSTSIFEILEQkFFSPELG 80
Cdd:cd23193   88 DYVIAGRMVFGRLFAQFHSNPGILTGSAVGCNPDTDWTRLFASLKQ-DNVYDLDYSGFDASLSSQLFEAAVE-VLAECHG 165

                         90       100
                 ....*....|....*....|....*
gi 219525296  81 FDPRCSLLLKSLAVSTHCYENKRLQ 105
Cdd:cd23193  166 DPELVLRYLEPIINSKHVVGDERYT 190

RNA-dependent RNA polymerase (RdRp) in the genus Mischivirus of positive-sense single-stranded RNA [(+)ssRNA] viruses, within the family Picornaviridae; This group contains the RdRp of RNA viruses belonging to the Mischivirus genus within the family Picornaviridae, order Picornavirales. The Mischivirus contains viruses with (+)ssRNA genomes that produce nonenveloped virions. Mischivirus is a picornavirus genus containing five species Mischivirus A, Mischivirus B, Mischivirus C, Mischivirus D and the proposed Mischivirus E. The name is derived from the name originally given to the virus, Miniopterus schreibersii picornavirus, which was found in the common bent-wing bat (aka Schreiber's long-fingered bat or Schreiber's bat) in China and is most closely related to the cardioviruses. RdRps catalyze RNA template-dependent formation of phosphodiester bonds between ribonucleotides in the presence of divalent metal ions. The initiation of synthesis occurs at the 3'-end of the template in a VPg-dependent manner, and proceeds in the direction of 5'-3'. The active sites of RdRps are highly conserved in different species of picornaviruses. The RdRp domain displays a right hand with three functional subdomains, called fingers, palm, and thumb. All RdRps contain conserved polymerase motifs (A-G), located in the palm (A-E motifs) and finger (F-G) subdomains. All these motifs have been implicated in RdRp fidelity such as processes of correct incorporation and reorganization of nucleotides.

                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 219525296   2 HVIAFRMLFGRFIAHYHLNFGFKTGSAIGCDPDVAWASFGFELSGFPYLYDFDYSNFDASHSTSIFEILEQKFFSPELGF 81
Cdd:cd23227  186 HVIIGRVLLGKFCSKFQASPGTELGSAIGCNPDWDWTYFAHQLMERQWCYDIDYSNFDSTHGTGMFELLIDCFFTPENGF 265

                         90       100
                 ....*....|....*....|....
gi 219525296  82 DPRCSLLLKSLAVSTHCYENKRLQ 105
Cdd:cd23227  266 SPAVAPYLRSLAFSKHAWMDKRYK 289

RNA-dependent RNA polymerase (RdRp) in the genus Megrivirus of positive-sense single-stranded RNA [(+)ssRNA] viruses, within the family Picornaviridae; This group contains the RdRp of RNA viruses belonging to the Megrivirus genus within the family Picornaviridae, order Picornavirales. The Megrivirus contains viruses with (+)ssRNA genomes that produce nonenveloped virions. The genus Megrivirus contains a five species Megrivirus A, Megrivirus B, Megrivirus C, Megrivirus D and Megrivirus E. The name Megrivirus is derived from the turkey genus name Meleagris. Megrivirus A is comprised of turkey hepatitis virus 1 (THV-1), duck megrivirus and goose megrivirus 1. Megrivirus B contains the mesiviruses. Megrivirus D contains harrier picornavirus 1 (HaPV-1). Megrivirus E was found in an Adelie penguin. RdRps catalyze RNA template-dependent formation of phosphodiester bonds between ribonucleotides in the presence of divalent metal ions. The initiation of synthesis occurs at the 3'-end of the template in a VPg-dependent manner, and proceeds in the direction of 5'-3'. The active sites of RdRps are highly conserved in different species of picornaviruses. The RdRp domain displays a right hand with three functional subdomains, called fingers, palm, and thumb. All RdRps contain conserved polymerase motifs (A-G), located in the palm (A-E motifs) and finger (F-G) subdomains. All these motifs have been implicated in RdRp fidelity such as processes of correct incorporation and reorganization of nucleotides.

                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 219525296   3 VIAFRMLFGRFIAHYHLNFGFKTGSAIGCDPDVAWASFGFELS--GFPYLYDFDYSNFDASHSTSIFEILeQKFFSPELG 80
Cdd:cd23223  166 ILAMRMVFGPLFEAMLRKNGPEIHSAVGCNPDTDWTRYYHEMGpdSFPYCFDLDYSCFDSTEPKIAFRLM-AKYLKPYFS 244

                         90       100
                 ....*....|....*....|....*
gi 219525296  81 FDPrcSLLLKSLAVSTHCYENKRLQ 105
Cdd:cd23223  245 VDV--TPFFEALATSKHVYGDKAYE 267

RNA-dependent RNA polymerase (RdRp) in the Kobuvirus genus of positive-sense single-stranded RNA [(+)ssRNA] viruses, within the family Picornaviridae; This group contains the RdRp of RNA viruses belonging to the Kobuvirus genus within the family Picornaviridae, order Picornavirales. Kobuviruses are small, icosahedral and spherical viruses, with a (+)ssRNA genome. Unlike other picornaviruses, Kobuvirus capsids show a distinctive lumpy morphology when observed by electron microscopy; "kobu" means "knob" in Japanese. There are six species (Aichivirus A-F) in this genus. Initially, the genus Kobuvirus was divided into three species: Aichivirus A (AiVA, formerly Aichi virus), Aichivirus B (AivB, formerly Bovine kobuvirus) and Aichivirus C (AiVC, formerly Porcine kobuvirus) each possessing a single serotype. Canine kobuvirus belong to species Aichivirus A. Aichi virus infects humans, while bovine kobuvirus, porcine kobuvirus and canine kobuvirus infects cattle, swine, dogs and cats, respectively. Kobuviruses have also been detected in black goats, rabbits, European roller, and bats. RdRps are multi-domain proteins that play a pivotal role in enterovirus replication. RdRps catalyze RNA template-dependent formation of phosphodiester bonds between ribonucleotides in the presence of divalent metal ions. The initiation of synthesis occurs at the 3'-end of the template in a VPg-dependent manner, and proceeds in the direction in the direction of 5'-3'. The active sites of RdRps are highly conserved in different species of kobuviruses. The RdRp domain displays a right hand with three functional subdomains, called fingers, palm, and thumb. All RdRps contain conserved polymerase motifs (A-G), located in the palm (A-E motifs) and finger (F-G) subdomains. All these motifs have been implicated in RdRp fidelity such as processes of correct incorporation and reorganization of nucleotides.

                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 219525296   3 VIAFRMLFGRFIAHYHLNFGfKTGSAIGCDPDVAWASFGFELSGFPYLYDFDYSNFDASHSTSIFEILEQKFfsPELGFD 82
Cdd:cd23214  175 IVAGRMLLGGLIEYMQARPG-KHGSAVGCNPDLHWTKFFYKFCHYPQVFDLDYKCFDATLPSCAFRIVEDHL--ERLTGD 251

                         90       100
                 ....*....|....*....|
gi 219525296  83 PRCSLLLKSLAVSTHCYENK 102
Cdd:cd23214  252 ERVTRYIESIRHSHHVYGNE 271

RNA-dependent RNA polymerase (RdRp) in the Enterovirus genus of positive-sense single-stranded RNA [(+)ssRNA] viruses, within the family Picornaviridae; This group contains the RdRp of RNA viruses belonging to the Enterovirus genus within the family Picornaviridae, order Picornavirales. Enteroviruses have small, non-enveloped (+)ssRNA genomes, and replicate within the gastrointestinal tract or other mucosal surfaces. The genus Enterovirus has been divided into 15 species based on genetic divergence (EV A-L and Rhinovirus A-C), and its major members include poliovirus, coxsackievirus and rhinovirus. More than 100 enterovirus types have been associated with several human diseases, all of which are classified into four species (Enterovirus A, Enterovirus B, Enterovirus C, and Enterovirus D). RdRps are multi-domain proteins that play a pivotal role in enterovirus replication. RdRps catalyze RNA template-dependent formation of phosphodiester bonds between ribonucleotides in the presence of divalent metal ions. The initiation of synthesis occurs at the 3'-end of the template in a VPg-dependent manner, and proceeds in the direction of 5'-3'. The active sites of RdRps are highly conserved in different species of enteroviruses. The RdRp domain displays a right hand with three functional subdomains, called fingers, palm, and thumb. All RdRps contain conserved polymerase motifs (A-G), located in the palm (A-E motifs) and finger (F-G) subdomains. All these motifs have been implicated in RdRp fidelity such as processes of correct incorporation and reorganization of nucleotides.

                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 219525296   4 IAFRMLFGRFIAHYHLNFGFKTGSAIGCDPDVAWASFGFELSGfpYLYDFDYSNFDASHSTSIFEILEQKFFSPELGFDP 83
Cdd:cd23213  177 VAMRMTFGNLYATFHLNPGVVTGSAVGCDPDTFWSKIPILLDG--SLFAFDYTGYDASLSPVWFRALKMVLEKGYSEEAV 254

                         90
                 ....*....|....*....
gi 219525296  84 RcslLLKSLAVSTHCYENK 102
Cdd:cd23213  255 S---LIDYLNHSHHLYKNK 270

catalytic core domain of RNA-dependent RNA polymerase (RdRp) in the genus Rosavirus of positive-sense single-stranded RNA [(+)ssRNA] viruses, within the family Picornaviridae; This group contains the catalytic core domain of the RdRp of RNA viruses belonging to the Rosavirus genus within the family Picornaviridae, order Picornavirales. The Rosavirus contains viruses with (+)ssRNA genomes that produce nonenveloped virions. This genus contains three species Rosavirus A, Rosavirus B and Rosavirus C found in rats. The name rosavirus is derived from rodent stool-associated picornavirus. Viral RNA was detected in fecal samples of humans and rodents [canyon mouse (Peromyscus crinitus), brown rat (Rattus norvegicus), black rat (R. rattus), Sikkim rat (R. andamanensis), chestnut white-bellied rat (Niviventer fulvescens)]. Eight genetic types are distinguished by means of phylogenetic analysis (Rosavirus A: 2 types; Rosavirus B: 2 types; Rosavirus C: 4 types). RdRps catalyze RNA template-dependent formation of phosphodiester bonds between ribonucleotides in the presence of divalent metal ions. The initiation of synthesis occurs at the 3'-end of the template in a VPg-dependent manner, and proceeds in the direction of 5'-3'. The active sites of RdRps are highly conserved in different species of picornaviruses. The RdRp domain displays a right hand with three functional subdomains, called fingers, palm, and thumb. All RdRps contain conserved polymerase motifs (A-G), located in the palm (A-E motifs) and finger (F-G) subdomains. All these motifs have been implicated in RdRp fidelity such as processes of correct incorporation and reorganization of nucleotides.

                         10        20        30        40        50        60
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....
gi 219525296   2 HVIAFRMLFGRFIAHYHLNFGFKTGSAIGCDPDVAWASFGFELSGFPYLYDFDYSNFDASHSTSIFEIL 70
Cdd:cd23221   90 HIIVGRKIFGNLFALFNSNPGFQTMCAVGCDPDVTWTELYHPLSAKTYVFDYDYSGFDGSVPSCCFDAL 158

catalytic core domain of RNA-dependent RNA polymerase (RdRp) in the order Picornavirales of positive-sense single-stranded RNA [(+)ssRNA] viruses; This family contains the catalytic core domain of RdRp of Picornavirales, an order of (+)ssRNA viruses. The order Picornavirales comprises viruses that historically are referred to as picorna-like viruses and which are classified into eight virus families: Caliciviridae, Dicistroviridae, Iflaviridae, Marnaviridae, Picornaviridae, Polycipiviridae, Secoviridae, and Solinviviridae. All known genomes of Picornavirales members encode proteins with helicase, 3C-like protease, and RdRp domains, as well as capsid proteins with related structures, although the genome organizations can differ among viruses. The picornavirus genome is replicated via a negative-sense (-) RNA intermediate by the viral RdRp, named 3Dpol, which uses VPg (the product of 3B) as a primer to initiate the replication process. The RdRp domain displays a right hand with three functional subdomains, called fingers, palm, and thumb. All RdRps contain conserved polymerase motifs (A-G), located in the palm (A-E motifs) and finger (F-G) subdomains. All these motifs have been implicated in RdRp fidelity such as processes of correct incorporation and reorganization of nucleotides.

                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 219525296   1 DHVIAFRMLFGRFIAHYHLNfGFKTGSAIGCDPDVA-WASFGFELSG-FPYLYDFDYSNFDASHSTS----IFEILEqKF 74
Cdd:cd23169   31 DYTIAFRKYFGDFIAAFQKN-RIKLEHAVGINPDSVeWTRLYRRLLKkGPNIFAGDYSNFDGSLPPDvmeaAFDIIN-DW 108

                         90       100       110
                 ....*....|....*....|....*....|...
gi 219525296  75 FSPELGFDPRC--SLLLKSLAVSTHCYENKRLQ 105
Cdd:cd23169  109 YDEYVDDEDERvrKVLFEELINTIHLVGNLVYQ 141

Viral RNA-dependent RNA polymerase; This family represents the RNA-directed RNA polymerase found in many positive strand RNA eukaryotic viruses. Structural studies indicate that these proteins form the "right hand" structure found in all oligonucleotide polymerases, containing thumb, finger and palm domains, and also the additional bridging finger and thumb domains unique to RNA-directed RNA polymerases.

                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 219525296    1 DHVIAFRMLFGRFIAHYHLNFGFKTgSAIGCDP-DVAWASFGFELSGF-PYLYDFDYSNFDASHSTSIFEILEqKFFSPE 78
Cdd:pfam00680 178 EYLLLERAFFDPFNQAFMLNNGFHP-IQVGINPfDRGWPRLLRRLARFgDYVYELDYSGFDSSVPPWLIRFAF-EILREL 255

                          90       100
                  ....*....|....*....|....*.
gi 219525296   79 LGFDPRCSL---LLKSLAVSTHCYEN 101
Cdd:pfam00680 256 LGFPSNVKEwraILELLIYTPIALPN 281

catalytic core domain of RNA-dependent RNA polymerase (RdRp) in the genus Fipivirus of positive-sense single-stranded RNA [(+)ssRNA] viruses, within the family Picornaviridae; This group contains the catalytic core domain of the RdRp of RNA viruses belonging to the Fipivirus genus within the family Picornaviridae, order Picornavirales. The Fipivirus contains viruses with (+)ssRNA genomes that produce nonenveloped virions. This genus contains five species: Fipivirus A (Wuhan sharpbelly picornavirus 2), Fipivirus B (Wuhan sharpbelly picornavirus 3), Fipivirus C (Wenling crossorhombus picornavirus), Fipivirus D (Wenling jack mackerels picornavirus) and Fipivirus E (Wenling banjofish picornavirus 1). All contain viruses from fish. RdRps catalyze RNA template-dependent formation of phosphodiester bonds between ribonucleotides in the presence of divalent metal ions. The initiation of synthesis occurs at the 3'-end of the template in a VPg-dependent manner, and proceeds in the direction of 5'-3'. The active sites of RdRps are highly conserved in different species of picornaviruses. The RdRp domain displays a right hand with three functional subdomains, called fingers, palm, and thumb. All RdRps contain conserved polymerase motifs (A-G), located in the palm (A-E motifs) and finger (F-G) subdomains. All these motifs have been implicated in RdRp fidelity such as processes of correct incorporation and reorganization of nucleotides.

                         10        20        30        40        50        60
                 ....*....|....*....|....*....|....*....|....*....|....*....|..
gi 219525296   3 VIAFRMLFGRFIAHYHLN---FGFKTGSAIGCDPDVAWASFGFELSGFPYLYdFDYSNFDAS 61
Cdd:cd23229   99 VCAWKKVFGRAIAAIHLEsvtDGKSTGCAVGMDPETAWTDIALARPGWPVIA-LDYSNFDGS 159

catalytic core domain of RNA-dependent RNA polymerase (RdRp) in the genus Crohivirus of positive-sense single-stranded RNA [(+)ssRNA] viruses, within the family Picornaviridae; This group contains the catalytic core domain of the RdRp of RNA viruses belonging to the Crohivirus genus within the family Picornaviridae, order Picornavirales. The Crohivirus contains viruses with (+)ssRNA genomes that produce nonenveloped virions. Crohivirus is a new genus containing two species, Crohivirus A and Crohivirus B. Crohivirus A (Crohivirus 1, CroV-1) is a novel picornavirus found the lesser red musk shrew (Crocidura hirta) which is found in southern Africa. The genome sequence is most closely related to the parechoviruses. Crohivirus B consists of a virus which has been found in the straw-colored fruit bat (Eidolon helvum). RdRps catalyze RNA template-dependent formation of phosphodiester bonds between ribonucleotides in the presence of divalent metal ions. The initiation of synthesis occurs at the 3'-end of the template in a VPg-dependent manner, and proceeds in the direction of 5'-3'. The active sites of RdRps are highly conserved in different species of picornaviruses. The RdRp domain displays a right hand with three functional subdomains, called fingers, palm, and thumb. All RdRps contain conserved polymerase motifs (A-G), located in the palm (A-E motifs) and finger (F-G) subdomains. All these motifs have been implicated in RdRp fidelity such as processes of correct incorporation and reorganization of nucleotides.

                         10        20        30        40        50        60
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 219525296   1 DHVIAFRMLFGRFIAHYHLNFGFKTGSAIGCDPDVAWASFGFELSgfPYLYDFDYSNFDASHSTSI 66
Cdd:cd23232   95 DYTVAHKMMFGTLYKAIYDTPGIITGLAVGMNPWKDWELIQQSLF--KYNYDFDYKTFDGSLSREL 158

catalytic core domain of RNA-dependent RNA polymerase (RdRp) in the genus Limnipivirus of positive-sense single-stranded RNA [(+)ssRNA] viruses, within the family Picornaviridae; This group contains the catalytic core domain of the RdRp of RNA viruses belonging to the Limnipivirus genus within the family Picornaviridae, order Picornavirales. The Limnipivirus contains viruses with (+)ssRNA genomes that produce nonenveloped virions. This genus contains three species, Limnipivirus A (bluegill picornavirus 1), Limnipivirus B (carp picornavirus 1) and Limnipivirus C (fathead minnow picornavirus 1). Limnipiviruses infect freshwater fishes. The virus can be grown in various fish cell lines. Experimental infection of bluegills with bluegill picornavirus induces morbidity (inflammation and redness at the base of fins, exophthalmia, abdomen distension, internal hemorrhaging and ascites) and mortality. RdRps catalyze RNA template-dependent formation of phosphodiester bonds between ribonucleotides in the presence of divalent metal ions. The initiation of synthesis occurs at the 3'-end of the template in a VPg-dependent manner, and proceeds in the direction of 5'-3'. The active sites of RdRps are highly conserved in different species of picornaviruses. The RdRp domain displays a right hand with three functional subdomains, called fingers, palm, and thumb. All RdRps contain conserved polymerase motifs (A-G), located in the palm (A-E motifs) and finger (F-G) subdomains. All these motifs have been implicated in RdRp fidelity such as processes of correct incorporation and reorganization of nucleotides.

                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 219525296   1 DHVIAFRMLFGRFIAHYHLNFGFKTGSAIGCDPDVAWASFGFELSGFPYLYDFDYSNFDASHSTSIF----EILEQKFFS 76
Cdd:cd23228   94 DYVVAYRMYMSSIYSDLYNAYAGDTGIAAGINPPADGHRLREELSQYDSFLALDYSRFDGSLPEMLMraavEILADLHED 173

                         90       100
                 ....*....|....*....|.
gi 219525296  77 PELgfdprCSLLLKSLAVSTH 97
Cdd:cd23228  174 PDL-----VRRLHETVIISKH 189

catalytic core domain of RNA-dependent RNA polymerase (RdRp) in the genus Parechovirus of positive-sense single-stranded RNA [(+)ssRNA] viruses, within the family Picornaviridae; This group contains the catalytic core domain of RdRp of RNA viruses belonging to the Parechovirus genus within the family Picornaviridae, order Picornavirales. Member viruses have a (+)ssRNA genome. The Parechovirus genus is comprised of six species, Parechovirus A (formerly named Human parechovirus), Parechovirus B (formerly named Ljungan virus), Parechovirus C (Sebokele virus) and Parechovirus D (ferret parechovirus), Parechovirus E (falcon parechovirus) and Parechovirus F (gecko parechovirus). Humans, ferrets, and various rodents serve as natural hosts. Human parechoviruses may cause gastrointestinal or respiratory illness in infants, and have been implicated in cases of myocarditis and encephalitis. Human parechoviruses replicate in the respiratory and gastrointestinal tract. RdRps catalyze RNA template-dependent formation of phosphodiester bonds between ribonucleotides in the presence of divalent metal ions. The initiation of synthesis occurs at the 3'-end of the template in a VPg-dependent manner, and proceeds in the direction of 5'-3'. The active sites of RdRps are highly conserved in different species of picornaviruses. The RdRp domain displays a right hand with three functional subdomains, called fingers, palm, and thumb. All RdRps contain conserved polymerase motifs (A-G), located in the palm (A-E motifs) and finger (F-G) subdomains. All these motifs have been implicated in RdRp fidelity such as processes of correct incorporation and reorganization of nucleotides.

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gi 219525296   1 DHVIAFRMLFGRFIAHYHLNFGFKTGSAIGCDPdvaWASFGFELSGF-PYLYDFDYSNFDASHSTSIF----EILEQKFF 75
Cdd:cd23217   92 DYVIAYRVVMSSLYEAIYQTPCQELGLAVGMNP---WTDWDFMINALnPYNYGLDYSSYDGSLSEMLMweavEVLAYCHE 168

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gi 219525296  76 SPEL 79
Cdd:cd23217  169 SPDL 172