Structure of PDB 6nwa Chain G Binding Site BS16

Receptor Information
>6nwa Chain G (length=729) Species: 1148 (Synechocystis sp. PCC 6803) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TKFPKFSQDLAQDPTTRRIWYGIATAHDFETHDGMTEENLYQKIFASHFG
HIAIIFLWTSGTLFHVAWQGNFEQWIKDPLNIRPIAHAIWDPHFGEGAVN
AFTQAGASNPVNIAYSGVYHWFYTIGMTTNQELYSGAVFLLVLASLFLFA
GWLHLQPKFRPSLAWFKNAESRLNHHLAGLFGVSSLAWAGHLVHVAIPEA
RGQHVGWDNFLSTPPHPAGLMPFFTGNWGVYAADPDTAGHIFGTSEGAGT
AILTFLGGFHPQTESLWLTDIAHHHLAIAVIFIIAGHMYRTNWGIGHSIK
EILNAHKGPLTGAGHTNLYDTINNSLHFQLGLALASLGVITSLVAQHMYS
LPSYAFIAQDHTTQAALYTHHQYIAGFLMVGAFAHGAIFFVRDYDPVANK
DNVLARMLEHKEALISHLSWVSLFLGFHTLGLYVHNDVVVAFGTPEKQIL
IEPVFAQWIQATSGKALYGFDVLLSNPDSIASTTGAAWLPGWLDAINSGT
NSLFLTIGPGDFLVHHAIALGLHTTALILIKGALDARGSKLMPDKKDFGY
SFPCDGPGRGGTCDISAWDAFYLAMFWMLNTLGWLTFYWHWKHLGVWSGN
VAQFNENSTYLMGWFRDYLWANSAQLINGYNPYGVNNLSVWAWMFLFGHL
VWATGFMFLISWRGYWQELIETIVWAHERTPLANLVRWKDKPVALSIVQA
RLVGLAHFTVGYVLTYAAFLIASTAGKFG
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 chain6nwa Chain G Residue 1206 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB6nwa The structure of the stress-induced photosystem I-IsiA antenna supercomplex.
Resolution3.48 Å
Binding residue
(original residue number in PDB)
I91 W92 D93 H95 V642 W645
Binding residue
(residue number reindexed from 1)
I89 W90 D91 H93 V640 W643
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
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:6nwa, PDBe:6nwa, PDBj:6nwa
PDBsum6nwa
PubMed31133699
UniProtP29255|PSAB_SYNY3 Photosystem I P700 chlorophyll a apoprotein A2 (Gene Name=psaB)

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