Structure of PDB 7f4v Chain aA Binding Site BS01

Receptor Information
>7f4v Chain aA (length=772) Species: 251221 (Gloeobacter violaceus PCC 7421) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PVRVLVDNDPVPTSTEKWGKPGWFERNLARGPKTTTWIWDLHALAHDFET
HTSDKEEISRKIFSAHFGHLAVVCVWLSGMFWHGAYFSNFTAWMENPLGL
KPSAQTVWPVFGQEILNDPSTVAKGFEQGGIVITSGLFHLWRAVGFTTTG
QLAAMSIAMLIIAALFLFAGWFHYHKRAPKLEWFQNVESMLNHHLAGLFG
LGSLFWTGHLIHVALPVKAQLDAGIAPAQVNPFAGLDYGLMGQYFPKGFG
PNGGLGAFFTLNWGQFTDFLTFKGGLEPATGALYLTDIAHHHLAIATLFI
IAGHMYRTNWGIGHSIKEMLEAHKGPLTGEGHRGLYEVLTTSWHAQLAIN
LAMAGSITIIVAHHMYAMNPYPYMGTDYATQISLFTHHMWIGGFLIVGAG
AHAAIFMVRDYDPVTNQNNLLDRVLRHRDAIISHLNWVTLFLGFHSFGLY
VHNDTMQALGRPRDMFADFAIPLQPVFAQWIQNIHAAAPGGATAPWVGGT
SPTWYTGALSSAATLQANQVLALANDKISISPIHLGTADFMVHHIFALCI
HVTVLILLKGVLFARSSRLIPDKANLGFRFPCDGPGRGGTCQSSAWDHVF
LGLFWMYNTISVVIFHFSWKMQSDVWGTVDRSTGAVNHIIGNTDVLLGGQ
TVALSQYAASSININGWLRDFLWAQSSAVINSYGGPLSAYGLMFLGAHFI
WAFSLMFLFSGRGYWQELIESIVWAHNKLKVAPAIQPRALSITQGRAVGV
AHYLLGGIATTWAFFLARFLAL
Ligand information
Ligand IDCL0
InChIInChI=1S/C55H73N4O5.Mg/c1-13-39-35(8)42-28-44-37(10)41(24-25-48(60)64-27-26-34(7)23-17-22-33(6)21-16-20-32(5)19-15-18-31(3)4)52(58-44)50-51(55(62)63-12)54(61)49-38(11)45(59-53(49)50)30-47-40(14-2)36(9)43(57-47)29-46(39)56-42;/h13,26,28-33,37,41,51H,1,14-25,27H2,2-12H3,(H-,56,57,58,59,61);/q-1;+4/p-1/b34-26+;/t32-,33-,37+,41+,51+;/m1./s1
InChIKeyVIQFHHZSLDFWDU-DVXFRRMCSA-M
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6CCC1=C(c2cc3c(c(c4n3[Mg]56[n+]2c1cc7n5c8c(c9[n+]6c(c4)C(C9CCC(=O)OC/C=C(\C)/CCC[C@H](C)CCC[C@H](C)CCCC(C)C)C)[C@@H](C(=O)c8c7C)C(=O)OC)C)C=C)C
CACTVS 3.385CCC1=C(C)C2=Cc3n4c(C=C5[CH](C)[CH](CCC(=O)OCC=C(C)CCC[CH](C)CCC[CH](C)CCCC(C)C)C6=[N+]5[Mg]47[N]8C(=CC1=[N+]27)C(=C9C(=O)[CH](C(=O)OC)C6=C89)C)c(C)c3C=C
OpenEye OEToolkits 1.7.6CCC1=C(c2cc3c(c(c4n3[Mg]56[n+]2c1cc7n5c8c(c9[n+]6c(c4)C(C9CCC(=O)OCC=C(C)CCCC(C)CCCC(C)CCCC(C)C)C)C(C(=O)c8c7C)C(=O)OC)C)C=C)C
CACTVS 3.385CCC1=C(C)C2=Cc3n4c(C=C5[C@@H](C)[C@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)C6=[N@@+]5[Mg]47[N@]8C(=CC1=[N@@+]27)C(=C9C(=O)[C@@H](C(=O)OC)C6=C89)C)c(C)c3C=C
FormulaC55 H72 Mg N4 O5
NameCHLOROPHYLL A ISOMER
ChEMBL
DrugBank
ZINC
PDB chain7f4v Chain aA Residue 801 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB7f4v Structural basis for the absence of low-energy chlorophylls responsible for photoprotection from a primitive cyanobacterial PSI
Resolution2.04 Å
Binding residue
(original residue number in PDB)		Y460 I555 Y617 N618 S621 F625 I674 W677 L682 S686 F704 H708 W711 Y763 T770 T771 F774
Binding residue
(residue number reindexed from 1)		Y450 I545 Y607 N608 S611 F615 I664 W667 L672 S676 F694 H698 W701 Y753 T760 T761 F764
Annotation score1
Enzymatic activity
Enzyme Commision number 1.97.1.12: photosystem I.
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0009055 electron transfer activity
GO:0016168 chlorophyll binding
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
GO:0051539 4 iron, 4 sulfur cluster binding
Biological Process
GO:0015979 photosynthesis
Cellular Component
GO:0005886 plasma membrane
GO:0009522 photosystem I
GO:0009579 thylakoid
GO:0016020 membrane

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:7f4v, PDBe:7f4v, PDBj:7f4v
PDBsum7f4v
PubMed
UniProtQ7NFT6|PSAA_GLOVI Photosystem I P700 chlorophyll a apoprotein A1 (Gene Name=psaA)

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