Structure of PDB 5zgb Chain B Binding Site BS21

Receptor Information
>5zgb Chain B (length=731) Species: 280699 (Cyanidioschyzon merolae strain 10D) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ATKFPKFSQALASDPTTRRIWYGIATAHDFESHDGMTEENLYQKIFASHF
GHLAIIFLWTSGNLFHVAWQGNFEQWVANPLKTKPLAHAIWDPHFGQAAL
KAFTRGDTVANISYSGVYHWWYTIGIRNNVELYTGALGLLVLSAVFLLAG
WLHIQPKFKPSLSWFKNNESRLNHHLAGLFGVSSLAWTGHLVHVAIPASR
GQHVGWDNFIMTPPHPAGLQPFFTGNWSVYAQSPDSMQHVFGTSQGAGTA
ILTFLGGFHPQTQSLWLTDMAHHHLAIAVIFIVAGHMYRTNFGIGHNLKT
ILEAHRPPSGRLGKGHIGIYQTLTNSLHFQLGLALASLSVVTSLVAQHMY
AMPPYAYMAFDYVTQSALYTHHQYIAGLLIVGAFAHGAIFFIRDYDPEQN
QDNVLARMLAHKEAVISHLSWVSLFLGFHTLGLYVHNDVVVAFGNPEKQI
LIEPIFAQWIQATSGKMLYGFQVLLSSSTSNASVAAQQLWLPGWLEAVNN
ESNSLFLTIGPGDFLVHHAIALGLHTTTLILVKGALDARGSKLMPDKKDF
GYSFPCDGPGRGGTCDISAWDAFYLAMFWMLNTIGWVTFYWHWKHLSLWQ
GNVAQFNESSTYLMGWLRDYLWLNSSPLINGYNPYGMNSLAVWSWMFLFA
HLVWATGFMFLISWRGYWQELIETLAWAHERTPLANLIRWKDKPVALSIV
QARLVGLVHFTVGYILTYAAFVIASTAGKFS
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 chain5zgb Chain B Residue 817 [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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PDB5zgb Unique organization of photosystem I-light-harvesting supercomplex revealed by cryo-EM from a red alga
Resolution3.63 Å
Binding residue
(original residue number in PDB)		I127 E132 T135 G136 A187 W188 G190 H191 V195 G206 W207 F210
Binding residue
(residue number reindexed from 1)		I126 E131 T134 G135 A186 W187 G189 H190 V194 G205 W206 F209
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:5zgb, PDBe:5zgb, PDBj:5zgb
PDBsum5zgb
PubMed29632169
UniProtQ85FY6|PSAB_CYAM1 Photosystem I P700 chlorophyll a apoprotein A2 (Gene Name=psaB)

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