Structure of PDB 7sa3 Chain D Binding Site BS04

Receptor Information
>7sa3 Chain D (length=336) Species: 91464 (Synechococcus sp. PCC 7335) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
IKQLDDWLKRDRFVFIGWSGLLLFPCSFLAIGAWFTGTTFVTSWYTHGLV
SSYLEGCNFLTVAVSTPAESMGHSLLLLWGPEASGDFVRWCQIGGLWTFT
ALHGVFGLIGFMLRQIEIARLVGIRPYNAIAFSAPIAVYCATFLIYPLGQ
SSWFFGPGFGVSAIFRFLLFFQGFHNYTLNPFHMMGVTGVLGGALLCAIH
GATVQNTLFRDNQSKNTFKGFSTDQGEETYSMVTANRFWSQIFGIAFSNK
RWLHFFMLFVPVTGLWMSAIGMAGLAFNLRAYDFVSQEIRAAEDPEFETF
YTKNILLNEGLRAWLSEMDQPAKKFVFPDEVLPRGF
Ligand information
Ligand IDF6C
InChIInChI=1S/C55H69N4O6.Mg/c1-12-38-35(8)42-27-46-39(13-2)41(30-60)47(57-46)28-43-36(9)40(52(58-43)50-51(55(63)64-11)54(62)49-37(10)44(59-53(49)50)29-45(38)56-42)23-24-48(61)65-26-25-34(7)22-16-21-33(6)20-15-19-32(5)18-14-17-31(3)4;/h13,25,27-33,51H,2,12,14-24,26H2,1,3-11H3,(H-,56,57,58,59,60,62);/q-1;+2/p-1/b34-25+,42-27-,43-28-,44-29-,45-29-,46-27-,47-28-,52-50-;/t32-,33-,51-;/m1./s1
InChIKeyYUTLCKLMRUVWDE-FOFJUSMOSA-M
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.7CCc1c(c2n3c1C=C4C(=C5C(=O)C(C6=C7C(=C(C8=CC9=[N]([Mg]3(N87)[N]4=C65)C(=C2)C(=C9C=O)C=C)C)CCC(=O)OCC=C(C)CCCC(C)CCCC(C)CCCC(C)C)C(=O)OC)C)C
ACDLabs 12.01C(CC(=O)OC\C=C(/C)CCCC(C)CCCC(C)CCCC(C)C)C=9C=3N4C(=CC8=N5C(=Cc6c(C)c(CC)c7C=C1N(=C2C=3C(C(=O)C2=C1C)C(=O)OC)[Mg]45n67)C(/C=C)=C8C=O)C=9C
CACTVS 3.385CCc1c(C)c2C=C3N=C(C=C4[N@@]5[Mg]n2c1C=C6N=C7C(=C5C(=C4C)CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@@H](C(=O)OC)C(=O)C7=C6C)C(=C3C=C)C=O
CACTVS 3.385CCc1c(C)c2C=C3N=C(C=C4[N]5[Mg]n2c1C=C6N=C7C(=C5C(=C4C)CCC(=O)OCC=C(C)CCC[CH](C)CCC[CH](C)CCCC(C)C)[CH](C(=O)OC)C(=O)C7=C6C)C(=C3C=C)C=O
OpenEye OEToolkits 2.0.7CCc1c(c2n3c1C=C4C(=C5C(=O)[C@@H](C6=C7C(=C(C8=CC9=[N]([Mg]3(N87)[N]4=C65)C(=C2)C(=C9C=O)C=C)C)CCC(=O)OC/C=C(\C)/CCC[C@H](C)CCCC(C)CCCC(C)C)C(=O)OC)C)C
FormulaC55 H68 Mg N4 O6
NameChlorophyll F;
[methyl 9-ethenyl-14-ethyl-8-formyl-4,13,18-trimethyl-20-oxo-3-{3-oxo-3-[(3,7,11,15-tetramethylhexadec-2-en-1-yl)oxy]propyl}-3,4,23,25-tetradehydro-24,26-dihydrophorbine-21-carboxylatato(2-)-kappa~4~N~23~,N~24~,N~25~,N~26~]magnesium
ChEMBL
DrugBank
ZINC
PDB chain7sa3 Chain B Residue 606 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB7sa3 Structure of a monomeric photosystem II core complex from a cyanobacterium acclimated to far-red light reveals the functions of chlorophylls d and f.
Resolution2.25 Å
Binding residue
(original residue number in PDB)		F196 I284
Binding residue
(residue number reindexed from 1)		F182 I270
Annotation score1
Enzymatic activity
Enzyme Commision number 1.10.3.9: photosystem II.
Gene Ontology
Molecular Function
GO:0005506 iron ion binding
GO:0009055 electron transfer activity
GO:0010242 oxygen evolving activity
GO:0016168 chlorophyll binding
GO:0016491 oxidoreductase activity
GO:0045156 electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity
GO:0046872 metal ion binding
Biological Process
GO:0009772 photosynthetic electron transport in photosystem II
GO:0015979 photosynthesis
GO:0019684 photosynthesis, light reaction
Cellular Component
GO:0009523 photosystem II
GO:0009579 thylakoid
GO:0016020 membrane
GO:0031676 plasma membrane-derived thylakoid membrane
GO:0042651 thylakoid membrane

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Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:7sa3, PDBe:7sa3, PDBj:7sa3
PDBsum7sa3
PubMed34801554
UniProtB4WKI3

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