Structure of PDB 7ksq Chain A Binding Site BS01

Receptor Information
>7ksq Chain A (length=742) Species: 3218 (Physcomitrium patens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
EVKIMVEKDPVKTSFEKWAKPGHFSRTLAKGPNTTTWIWNLHADAHDFDS
HTNDLEEISRKVFSAHFGQLAVIFIWLSGMYFHGARFSNYEAWLSDPTHI
KPSAQVVWPIVGQKILNGDVGGGFQGIQITSGFFQLWRASGITSELQLYT
TAIGGLIFAALMLFAGWFHYHKAAPKLAWFQNVESMLNHHLAGLLGLGSL
AWAGHQVHVSLPINRLLDAGVDPKEIPLPHEFILNRDLLAQLYPSFSKGL
TPFFTLNWSEYSDFLTFRGGLNPVTGGLWLTDTAHHHLAIAVLFLVAGHM
YRTNFGIGHSMKEILEAHKGPFTGEGHKGLYEILTTSWHAQLAINLAMLG
SLTIIVAHHMYAMPPYPYLATDYATQLSLFTHHMWIGGFLVVGAAAHAAI
FMVRDYDPTTQYNNLLDRVLRHRDAIISHLNWVCIFLGFHSFGLYIHNDT
MSALGRPQDMFSDTAIQLQPVFAQWIQNTHALAPSLTAPNATASTSLTWG
GGDLVAVGGKVALLPIPLGTADFLVHHIHAFTIHVTVLILLKGVLFARSS
RLIPDKANLGFRFPCDGPGRGGTCQVSAWDHVFLGLFWMYNAISVVIFHF
SWKMQSDVWGSISDQGVVTHITGGNFAQSSITINGWLRDFLWAQASQVIQ
SYGSSLSAYGLLFLGAHFVWAFSLMFLFSGRGYWQELIESIVWAHNKLKV
APAIQPRALSIVQGRAVGVAHYLLGGIATTWAFFLARIISVG
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 chain7ksq Chain A Residue 1011 [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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PDB7ksq The structure of the Physcomitrium patens photosystem I reveals a unique Lhca2 paralogue replacing Lhca4.
Resolution2.8 Å
Binding residue
(original residue number in PDB)		F458 Y461 I544 Y606 N607 S610 V611 F614 W652 L657 I665 F679 H683 W686 Y738 T745 T746 F749
Binding residue
(residue number reindexed from 1)		F442 Y445 I528 Y590 N591 S594 V595 F598 W636 L641 I649 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: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:7ksq, PDBe:7ksq, PDBj:7ksq
PDBsum7ksq
PubMed35190662
UniProtQ8MFA3|PSAA_PHYPA Photosystem I P700 chlorophyll a apoprotein A1 (Gene Name=psaA)

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