Structure of PDB 7zq9 Chain A Binding Site BS01

Receptor Information
>7zq9 Chain A (length=742) Species: 3055 (Chlamydomonas reinhardtii) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
AKKVKIAVDRNPVETSFEKWAKPGHFSRTLSKGPNTTTWIWNLHADAHDF
DSHTSDLEEISRKVFSAHFGQLGIIFIWLSGMYFHGARFSNYEAWLSDPT
HIKPSAQVVWPIVGQEILNGDVGGGFQGIQITSGFFQLWRASGITSELQL
YTTAIGGLVMAAAMFFAGWFHYHKAAPKLEWFQNVESMLNHHLGGLLGLG
SLAWAGHQIHVSLPVNKLLDAGVDPKEIPLPHDLLLNRAIMADLYPSFAK
GIAPFFTLNWSEYSDFLTFKGGLNPVTGGLWLSDTAHHHVAIAVLFLVAG
HMYRTNWGIGHSMKEILEAHRGPFTGEGHVGLYEILTTSWHAQLAINLAL
FGSLSIIVAHHMYAMPPYPYLATDYGTQLSLFTHHTWIGGFCIVGAGAHA
AIFMVRDYDPTNNYNNLLDRVIRHRDAIISHLNWVCIFLGFHSFGLYIHN
DTMSALGRPQDMFSDTAIQLQPVFAQWIQNTHFLAPQLTAPNALAATSLT
WGGDLVAVGGKVAMMPISLGTSDFMVHHIHAFTIHVTVLILLKGVLFARS
SRLIPDKANLGFRFPCDGPGRGGTCQVSAWDHVFLGLFWMYNSLSIVIFH
FSWKMQSDVWGTVTASGVSHITGGNFAQSANTINGWLRDFLWAQSSQVIQ
SYGSALSAYGLIFLGAHFVWAFSLMFLFSGRGYWQELIESIVWAHNKLKV
APAIQPRALSITQGRAVGVAHYLLGGIATTWSFFLARIISVG
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 chain7zq9 Chain A 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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PDB7zq9 Algal photosystem I dimer and high-resolution model of PSI-plastocyanin complex.
Resolution2.74 Å
Binding residue
(original residue number in PDB)		Y456 Y600 N601 F608 L650 S654 F672 H676 W679 Y731 T738 T739 F742
Binding residue
(residue number reindexed from 1)		Y447 Y591 N592 F599 L641 S645 F663 H667 W670 Y722 T729 T730 F733
Annotation score1
Enzymatic activity
Enzyme Commision number 1.97.1.12: photosystem I.
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0005515 protein 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:0009507 chloroplast
GO:0009522 photosystem I
GO:0009535 chloroplast thylakoid membrane
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:7zq9, PDBe:7zq9, PDBj:7zq9
PDBsum7zq9
PubMed36229605
UniProtP12154|PSAA_CHLRE Photosystem I P700 chlorophyll a apoprotein A1 (Gene Name=psaA)

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