Structure of PDB 6qph Chain A Binding Site BS36

Receptor Information
>6qph Chain A (length=739) Species: 3046 (Dunaliella salina) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
VKIAVDRNPVETNFEKWAKPGHFSRALAKGPNTTTWIWNLHADAHDFDNH
TSDLEEISRKVFSAHFGQLGIILIWLSGMYFHGARFSNYEGWLSDPTHIK
PSAQVVWPIVGQEILNGDVGGGFQGIQITSGFFQLWRASGITSELQLYST
AIGGLVLAAACFFAGWFHYHKAAPKLEWFQNVESMLNHHLAGLLGLGSLA
WAGHQIHVSLPVNKLLDAGVDPKEIPLPHEFLLNQSIIADLYPSFSKGLA
PFFTLNWAEYSDFLTFKGGLNPVTGGLWLSDTAHHHLAIAVLFLVAGHQY
RTNWGIGHSIKDILESHKGPFTGNGHAGLYEILTTSWHAQLAINLALFGS
LSIIVAHHMYAMPPYPYLATDYGTQLSLFTHHMWIGGFCVVGAGAHAAIF
MVRDYDPTNNYNNLLDRVIRHRDAIISHLNWVSIFLGFHSFGLYIHNDTM
SALGRPQDMFSDTAIQLQPVFAQWIQNTHFTAPQLTAPNALAATSLTWGG
DVVAVGGKVAMMPIALGTSDFLVHHIHAFTIHVTVLILLKGVLFARSSRL
IPDKANLGFRFPCDGPGRGGTCQVSAWDHVFLGLFWMYNSLSIVIFHFSW
KMQSDVWGTVTDSGVSHITGGNFAQSANTINGWLRDFLWAQSSQVIQSYG
SALSAYGLMFLGAHFVWAFSLMFLFSGRGYWQELIESIVWAHNKLRVAPS
IQPRALSITQGRAVGVAHYLLGGIATTWSFFLARIIAVG
Ligand information
Ligand IDCLA
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;+2/p-1/b34-26+;/t32-,33-,37+,41+,51-;/m1./s1
InChIKeyATNHDLDRLWWWCB-AENOIHSZSA-M
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.7CCC1=C(C2=Cc3c(c(c4n3[Mg]56[N]2=C1C=C7N5C8=C(C(C(=O)C8=C7C)C(=O)OC)C9=[N]6C(=C4)C(C9CCC(=O)OCC=C(C)CCCC(C)CCCC(C)CCCC(C)C)C)C)C=C)C
CACTVS 3.385CCC1=C(C)C2=Cc3n4[Mg][N]5C(=CC1=N2)C(=C6C(=O)[CH](C(=O)OC)C(=C56)C7=NC(=Cc4c(C)c3C=C)[CH](C)[CH]7CCC(=O)OCC=C(C)CCC[CH](C)CCC[CH](C)CCCC(C)C)C
ACDLabs 12.01O=C(OC)C1C(=O)C2=C(C)C3=CC=4C(CC)=C(C)C5=Cc6c(C=C)c(C)c7C=C8C(C)C(CCC(=O)OC\C=C(/C)CCCC(C)CCCC(C)CCCC(C)C)C=9C1=C2N3[Mg](n76)(N5=4)N8=9
OpenEye OEToolkits 2.0.7CCC1=C(C2=Cc3c(c(c4n3[Mg]56[N]2=C1C=C7N5C8=C([C@H](C(=O)C8=C7C)C(=O)OC)C9=[N]6C(=C4)[C@H]([C@@H]9CCC(=O)OC/C=C(\C)/CCC[C@H](C)CCC[C@H](C)CCCC(C)C)C)C)C=C)C
CACTVS 3.385CCC1=C(C)C2=Cc3n4[Mg][N@@]5C(=CC1=N2)C(=C6C(=O)[C@H](C(=O)OC)C(=C56)C7=NC(=Cc4c(C)c3C=C)[C@@H](C)[C@@H]7CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)C
FormulaC55 H72 Mg N4 O5
NameCHLOROPHYLL A
ChEMBL
DrugBankDB02133
ZINC
PDB chain6qph Chain A Residue 1135 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB6qph Structure of a minimal photosystem I from the green alga Dunaliella salina.
Resolution3.4 Å
Binding residue
(original residue number in PDB)
H369 Y372 F483 A484 I487 Q488 H536 H539 V606 H609
Binding residue
(residue number reindexed from 1)
H357 Y360 F471 A472 I475 Q476 H524 H527 V594 H597
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

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Molecular Function

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Biological Process

View graph for
Cellular Component
External links
PDB RCSB:6qph, PDBe:6qph, PDBj:6qph
PDBsum6qph
PubMed32123351
UniProtD0FXV2

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