acid ceramidase (AC) family protein similar to AC, which catalyzes the hydrolysis of ceramide to sphingosine and fatty acid, and to N-acylethanolamine-hydrolyzing acid amidase (NAAA), that that hydrolyzes bioactive N-acylethanolamines to fatty acids and ethanolamine at acidic pH
AC_NAAA This conserved domain includes two closely related proteins, acid ceramidase (AC, also ...
127-372
1.39e-131
AC_NAAA This conserved domain includes two closely related proteins, acid ceramidase (AC, also known as N-acylsphingosine amidohydrolase), and N-acylethanolamine-hydrolyzing acid amidase (NAAA). AC catalyzes the hydrolysis of ceramide to sphingosine and fatty acid. Ceramide is required for the biosynthesis of most sphingolipids and plays an important role in many signal transduction pathways by inducing apoptosis and/or arresting cell growth. An inherited deficiency of AC activity leads to the lysosomal storage disorder known as Farber disease. AC is considered a "rheostat" important for maintaining the proper intracellular levels of these lipids since hydrolysis of ceramide is the only source of sphingosine in cells. NAAA is a eukaryotic glycoprotein that hydrolyzes bioactive N-acylethanolamines, including anandamide (an endocannabinoid) and N-palmitoylethanolamine (an anti-inflammatory and neuroprotective substance), to fatty acids and ethanolamine at acidic pH. NAAA shows structural and functional similarity to acid ceramidase, but lacks the ceramide-hydrolyzing activity of AC.
:
Pssm-ID: 238886 Cd Length: 231 Bit Score: 376.61 E-value: 1.39e-131
beta subunit of N-acylethanolamine-hydrolyzing acid amidase; NAAA-beta is a family of ...
38-101
1.94e-20
beta subunit of N-acylethanolamine-hydrolyzing acid amidase; NAAA-beta is a family of vertebral sequences that form the beta subunit of vertebral N-acylethanolamine-hydrolyzing acid amidase, a member of the choloylglycine hydrolase acid ceramidase family. The alpha subunit is represented by family CBAH, pfam02275.
:
Pssm-ID: 464754 Cd Length: 63 Bit Score: 84.22 E-value: 1.94e-20
AC_NAAA This conserved domain includes two closely related proteins, acid ceramidase (AC, also ...
127-372
1.39e-131
AC_NAAA This conserved domain includes two closely related proteins, acid ceramidase (AC, also known as N-acylsphingosine amidohydrolase), and N-acylethanolamine-hydrolyzing acid amidase (NAAA). AC catalyzes the hydrolysis of ceramide to sphingosine and fatty acid. Ceramide is required for the biosynthesis of most sphingolipids and plays an important role in many signal transduction pathways by inducing apoptosis and/or arresting cell growth. An inherited deficiency of AC activity leads to the lysosomal storage disorder known as Farber disease. AC is considered a "rheostat" important for maintaining the proper intracellular levels of these lipids since hydrolysis of ceramide is the only source of sphingosine in cells. NAAA is a eukaryotic glycoprotein that hydrolyzes bioactive N-acylethanolamines, including anandamide (an endocannabinoid) and N-palmitoylethanolamine (an anti-inflammatory and neuroprotective substance), to fatty acids and ethanolamine at acidic pH. NAAA shows structural and functional similarity to acid ceramidase, but lacks the ceramide-hydrolyzing activity of AC.
Pssm-ID: 238886 Cd Length: 231 Bit Score: 376.61 E-value: 1.39e-131
Linear amide C-N hydrolases, choloylglycine hydrolase family; This family includes several ...
136-387
6.03e-70
Linear amide C-N hydrolases, choloylglycine hydrolase family; This family includes several hydrolases which cleave carbon-nitrogen bonds, other than peptide bonds, in linear amides. These include choloylglycine hydrolase (conjugated bile acid hydrolase, CBAH) EC:3.5.1.24, penicillin acylase EC:3.5.1.11 and acid ceramidase EC:3.5.1.23. This domain forms the alpha-subunit for members from vertebral species, see family NAAA-beta, pfam15508.
Pssm-ID: 396726 Cd Length: 316 Bit Score: 222.39 E-value: 6.03e-70
beta subunit of N-acylethanolamine-hydrolyzing acid amidase; NAAA-beta is a family of ...
38-101
1.94e-20
beta subunit of N-acylethanolamine-hydrolyzing acid amidase; NAAA-beta is a family of vertebral sequences that form the beta subunit of vertebral N-acylethanolamine-hydrolyzing acid amidase, a member of the choloylglycine hydrolase acid ceramidase family. The alpha subunit is represented by family CBAH, pfam02275.
Pssm-ID: 464754 Cd Length: 63 Bit Score: 84.22 E-value: 1.94e-20
C45 family autoproteolytic acyltransferase/hydolase; Members of this family include hydrolases ...
85-373
3.98e-20
C45 family autoproteolytic acyltransferase/hydolase; Members of this family include hydrolases and N-acyltransferases, and belong to the Ntn (N-terminal nucleophile) hydrolase family. Members have an invariant Cys residue (Cys-103 in XP_002569112.1) required both for autoproteolytic processing into alpha and beta chains and for activity. The family is described by MEROPs as a cysteine protease, family C45, because of its autoproteolytic activity. Characterized members include TAN from Drosophila, which removes beta-alanine from both carcinine and N-beta-alanyl dopamine, and isopenicillin-N N-acyltransferase from various fungi. The latter has been heavily studied because of its role in penicillin biosynthesis.
Pssm-ID: 468523 [Multi-domain] Cd Length: 312 Bit Score: 90.04 E-value: 3.98e-20
AC_NAAA This conserved domain includes two closely related proteins, acid ceramidase (AC, also ...
127-372
1.39e-131
AC_NAAA This conserved domain includes two closely related proteins, acid ceramidase (AC, also known as N-acylsphingosine amidohydrolase), and N-acylethanolamine-hydrolyzing acid amidase (NAAA). AC catalyzes the hydrolysis of ceramide to sphingosine and fatty acid. Ceramide is required for the biosynthesis of most sphingolipids and plays an important role in many signal transduction pathways by inducing apoptosis and/or arresting cell growth. An inherited deficiency of AC activity leads to the lysosomal storage disorder known as Farber disease. AC is considered a "rheostat" important for maintaining the proper intracellular levels of these lipids since hydrolysis of ceramide is the only source of sphingosine in cells. NAAA is a eukaryotic glycoprotein that hydrolyzes bioactive N-acylethanolamines, including anandamide (an endocannabinoid) and N-palmitoylethanolamine (an anti-inflammatory and neuroprotective substance), to fatty acids and ethanolamine at acidic pH. NAAA shows structural and functional similarity to acid ceramidase, but lacks the ceramide-hydrolyzing activity of AC.
Pssm-ID: 238886 Cd Length: 231 Bit Score: 376.61 E-value: 1.39e-131
Linear amide C-N hydrolases, choloylglycine hydrolase family; This family includes several ...
136-387
6.03e-70
Linear amide C-N hydrolases, choloylglycine hydrolase family; This family includes several hydrolases which cleave carbon-nitrogen bonds, other than peptide bonds, in linear amides. These include choloylglycine hydrolase (conjugated bile acid hydrolase, CBAH) EC:3.5.1.24, penicillin acylase EC:3.5.1.11 and acid ceramidase EC:3.5.1.23. This domain forms the alpha-subunit for members from vertebral species, see family NAAA-beta, pfam15508.
Pssm-ID: 396726 Cd Length: 316 Bit Score: 222.39 E-value: 6.03e-70
Choloylglycine hydrolase (CGH)_like. This family of choloylglycine hydrolase-like proteins ...
136-368
2.54e-47
Choloylglycine hydrolase (CGH)_like. This family of choloylglycine hydrolase-like proteins includes conjugated bile acid hydrolase (CBAH), penicillin V acylase (PVA), acid ceramidase (AC), and N-acylethanolamine-hydrolyzing acid amidase (NAAA) which cleave non-peptide carbon-nitrogen bonds in bile salt constituents. These enzymes have an N-terminal nucleophilic cysteine, as do other members of the Ntn hydrolase family to which they belong. This nucleophilic cysteine is exposed by post-translational prossessing of the precursor protein.
Pssm-ID: 238910 Cd Length: 229 Bit Score: 160.98 E-value: 2.54e-47
beta subunit of N-acylethanolamine-hydrolyzing acid amidase; NAAA-beta is a family of ...
38-101
1.94e-20
beta subunit of N-acylethanolamine-hydrolyzing acid amidase; NAAA-beta is a family of vertebral sequences that form the beta subunit of vertebral N-acylethanolamine-hydrolyzing acid amidase, a member of the choloylglycine hydrolase acid ceramidase family. The alpha subunit is represented by family CBAH, pfam02275.
Pssm-ID: 464754 Cd Length: 63 Bit Score: 84.22 E-value: 1.94e-20
C45 family autoproteolytic acyltransferase/hydolase; Members of this family include hydrolases ...
85-373
3.98e-20
C45 family autoproteolytic acyltransferase/hydolase; Members of this family include hydrolases and N-acyltransferases, and belong to the Ntn (N-terminal nucleophile) hydrolase family. Members have an invariant Cys residue (Cys-103 in XP_002569112.1) required both for autoproteolytic processing into alpha and beta chains and for activity. The family is described by MEROPs as a cysteine protease, family C45, because of its autoproteolytic activity. Characterized members include TAN from Drosophila, which removes beta-alanine from both carcinine and N-beta-alanyl dopamine, and isopenicillin-N N-acyltransferase from various fungi. The latter has been heavily studied because of its role in penicillin biosynthesis.
Pssm-ID: 468523 [Multi-domain] Cd Length: 312 Bit Score: 90.04 E-value: 3.98e-20
Penicillin V acylase (PVA), also known as conjugated bile salt acid hydrolase (CBAH), ...
136-164
4.52e-05
Penicillin V acylase (PVA), also known as conjugated bile salt acid hydrolase (CBAH), catalyzes the hydrolysis of penicillin V to yield 6-amino penicillanic acid (6-APA), an important key intermediate of semisynthetic penicillins. PVA has an N-terminal nucleophilic cysteine, as do other members of the Ntn hydrolase family to which PVA belongs. This nucleophilic cysteine is exposed by post-translational prossessing of the PVA precursor. PVA forms a homotetramer.
Pssm-ID: 238303 Cd Length: 303 Bit Score: 44.90 E-value: 4.52e-05
Database: CDSEARCH/cdd Low complexity filter: no Composition Based Adjustment: yes E-value threshold: 0.01
References:
Wang J et al. (2023), "The conserved domain database in 2023", Nucleic Acids Res.51(D)384-8.
Lu S et al. (2020), "The conserved domain database in 2020", Nucleic Acids Res.48(D)265-8.
Marchler-Bauer A et al. (2017), "CDD/SPARCLE: functional classification of proteins via subfamily domain architectures.", Nucleic Acids Res.45(D)200-3.
of the residues that compose this conserved feature have been mapped to the query sequence.
Click on the triangle to view details about the feature, including a multiple sequence alignment
of your query sequence and the protein sequences used to curate the domain model,
where hash marks (#) above the aligned sequences show the location of the conserved feature residues.
The thumbnail image, if present, provides an approximate view of the feature's location in 3 dimensions.
Click on the triangle for interactive 3D structure viewing options.
Functional characterization of the conserved domain architecture found on the query.
Click here to see more details.
This image shows a graphical summary of conserved domains identified on the query sequence.
The Show Concise/Full Display button at the top of the page can be used to select the desired level of detail: only top scoring hits
(labeled illustration) or all hits
(labeled illustration).
Domains are color coded according to superfamilies
to which they have been assigned. Hits with scores that pass a domain-specific threshold
(specific hits) are drawn in bright colors.
Others (non-specific hits) and
superfamily placeholders are drawn in pastel colors.
if a domain or superfamily has been annotated with functional sites (conserved features),
they are mapped to the query sequence and indicated through sets of triangles
with the same color and shade of the domain or superfamily that provides the annotation. Mouse over the colored bars or triangles to see descriptions of the domains and features.
click on the bars or triangles to view your query sequence embedded in a multiple sequence alignment of the proteins used to develop the corresponding domain model.
The table lists conserved domains identified on the query sequence. Click on the plus sign (+) on the left to display full descriptions, alignments, and scores.
Click on the domain model's accession number to view the multiple sequence alignment of the proteins used to develop the corresponding domain model.
To view your query sequence embedded in that multiple sequence alignment, click on the colored bars in the Graphical Summary portion of the search results page,
or click on the triangles, if present, that represent functional sites (conserved features)
mapped to the query sequence.
Concise Display shows only the best scoring domain model, in each hit category listed below except non-specific hits, for each region on the query sequence.
(labeled illustration) Standard Display shows only the best scoring domain model from each source, in each hit category listed below for each region on the query sequence.
(labeled illustration) Full Display shows all domain models, in each hit category below, that meet or exceed the RPS-BLAST threshold for statistical significance.
(labeled illustration) Four types of hits can be shown, as available,
for each region on the query sequence:
specific hits meet or exceed a domain-specific e-value threshold
(illustrated example)
and represent a very high confidence that the query sequence belongs to the same protein family as the sequences use to create the domain model
non-specific hits
meet or exceed the RPS-BLAST threshold for statistical significance (default E-value cutoff of 0.01, or an E-value selected by user via the
advanced search options)
the domain superfamily to which the specific and non-specific hits belong
multi-domain models that were computationally detected and are likely to contain multiple single domains
Retrieve proteins that contain one or more of the domains present in the query sequence, using the Conserved Domain Architecture Retrieval Tool
(CDART).
Modify your query to search against a different database and/or use advanced search options
