1B3I,1PCS,1JXG,2PLT,1IUZ,2BZ7,2GIM


Conserved Protein Domain Family
Plastocyanin
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cd04219: Plastocyanin 
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Plastocyanin is a type I copper protein and functions in the electron transfer from PSII to PSI
Plastocyanin is a small copper-containing protein found in cyanobacteria, higher plants, and some algae, where it plays a role in photosynthesis. The two photosystems that are primarily responsible for photosynthesis are photosystem I (PSI) and photosystem II (PSII). The flow of electrons begins in PSII, which acts as a proton pump. Plastocyanin is responsible for transporting electrons from PSII to PSI.
Links
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Statistics
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PSSM-Id: 259881
Aligned: 16 rows
Threshold Bit Score: 129.026
Created: 1-Feb-2005
Updated: 2-Oct-2020
Structure
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Program:
Drawing:
Aligned Rows:
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Type 1 (T1) Cu
Conserved site includes 4 residues -Click on image for an interactive view with Cn3D
Feature 1: Type 1 (T1) Cu binding site [ion binding site], 4 residue positions
Conserved feature residue pattern:H C H MClick to see conserved feature residue pattern help
Evidence:
  • Structure:1IUZ; Ulva pertusa plastocyanin binds copper through a Type 1 (T1) copper site.
  • Citation:PMID 9933621
  • Comment:Blue copper proteins are characterized by their conserved H...C...H...M copper ligands
  • Structure:1B3I: Prochlorothrix hollandica Plastocyanin binds copper through a Type 1 (T1) copper site.
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Sequence Alignment
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Format: Row Display: Color Bits: Type Selection: 
Feature 1                                         #                                           
1B3I_A      3 VQIKMGTdkYAPLYEPKALSISAGDTVEFVMNKvGPHNVIFDKvpag--esaPALSNT--KLAIapgSFYSVTLGT---P 75  Prochlorothrix hol...
1JXG_B      2 IDVLLGAddGSLAFVPSEFSCSPGCKIVFKNNAgFPHNIVFDEdsipsgvdaSKISMSeeDLLNakgETFEVALSN---K 78  Lombardy poplar
2PLT_A      2 ATVKLGAdsGALEFVPKTLTIKSGETVNFVNNAgFPHNIVFDEdaipsgvnaDAISRD--DYLNapgETYSVKLTA---A 76  Chlamydomonas rein...
1IUZ_A      2 QIVKLGGddGSLAFVPSKISVAAGEAIEFVNNAgFPHNIVFDEdavpagvdaDAISYD--DYLNskgETVVRKLST---P 76  Ulva pertusa
Q9SXW9     72 ATVKMGGddGALGFYPKDISVAAGESVTFVNNKgFPHNVVFDEdavpagvktEDINHE--DYLNgpnESFSITFKT---P 146 Physcomitrella patens
NP_925222  65 LVVKMGSdtGQLVFVPAKLTVKPGDKIVWLMNKaGPHNAVFDAnvp---dpaAAKAMAltKLLNkpgDKLEVTVPAnakP 141 Gloeobacter violac...
ABK21367   78 LEVLMGSngGELAFIPKEFQVAPGEPIVFKNNAgFPHNVIFDDeevpsgvdaSTISMSeeDLLNapgETYTVKLDK---K 154 Sitka spruce
ABF73014  142 KMVLMGTd-VGLAFEPKETTVCKGDSVTWKNNRlGPHNVVFNPddvpsgvdaSAISTP--EYIGgegETYTVKFDKa--T 216 Karenia brevis
ABI14385  135 ATVKMGTdsGALAFEPKDITVCAGDTVTWTMNKnGPHNVLFSEapdg--fetDDESME--GYLSevgSTWSKKLDI---A 207 Karlodinium micrum
YP_722235  36 YKVTMGA--GGLQFAPKKVTVQPGDTVTFKNGMlQPHNVIFNPakspnadlsKALSHK--ELAYktgESFDISIPAdatA 111 Trichodesmium eryt...

Feature 1           #  #    #       
1B3I_A     76 GTYSFYCTPHRGAGMVGTITVE 97  Prochlorothrix hollandica
1JXG_B     79 GEYSFYCSPHQGAGMVGKVTVN 100 Lombardy poplar
2PLT_A     77 GEYGYYCEPHQGAGMVGKIIVQ 98  Chlamydomonas reinhardtii
1IUZ_A     77 GVYGVYCEPHAGAGMKMTITVQ 98  Ulva pertusa
Q9SXW9    147 GTYEFYCEPHQGAGMKGVVTVS 168 Physcomitrella patens
NP_925222 142 GDYAFNCTPHKSAGMVGVLTVQ 163 Gloeobacter violaceus PCC 7421
ABK21367  155 GTYNFYCGPHQGSGMKGKVTVD 176 Sitka spruce
ABF73014  217 GDYGYYCEPHQGAGMIGLVTVM 238 Karenia brevis
ABI14385  208 GTYNYLCQPHKSGGMVGSITVN 229 Karlodinium micrum
YP_722235 112 GDYEFFCTPHRGAGMVGHMIVK 133 Trichodesmium erythraeum IMS101

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