Structure of PDB 8wm6 Chain B Binding Site BS18

Receptor Information
>8wm6 Chain B (length=732) Species: 52970 (Rhodomonas salina) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TKFPKFSQALAQDPATRRIWYGLATAHDLESHDGMTEENLYQKIFASHFG
HLAVIFLWTSGNLFHVAWQGNFEQWVLNPLKVKPIAHAIWDPHFGQPAVK
AFTKGGVSYPVNIATSGVYHWWYTIGMRSNTDLYAGSLFLLFLAGVFLFA
GWLHLQPKFRPGLSWFKNNESRLNHHLSGLFGFSSLAWSAHLIHVAIPEA
RGQHVCWDNFTKVAPHPAGLQPFFTGNWGAYAASPDTTNHIFGTSEGAGT
AILTFLGGFHPQTQALWLTDIAHHHLAIGVVFIFAGHMYRTNWGIGHSLK
EILDAHRPPGGRLGAGHKGIFETLTNSLHFQLGLALASLGVITSLVAQHM
YALPSYAFIAKDYVTQSALYTHHQYIAGFLMVGAFAHGAIFFVRDYDPEQ
NKNNVLARILDHKEAIISHLSWVSLFLGFHTLGIYVHNDVVVAFGTPEKQ
ILVEPVFAQWIQASSGKALYGFDVLLSSTNSVAANASSNIWLPGWLEAIN
SGKNSLFLPIGPGDFLIHHAIALALHTTTLILVKGALDARGSKLMPDKKD
FGYAFPCDGPGRGGTCDISAWDAFYLSMFWMLNTIGWVTFYWHWKHITIW
QGNAGQFNESSTYIMGWLRDYLWLNSSPLINGYNPFGMNSLSVWSWMFLF
GHLIWATGFMFLISWRGYWQELIETLVWAHERTPLANLVRWKDKPVALSI
VQARLVGLIHFTAGYIFTYAAFVIASTTGKFG
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 chain8wm6 Chain B Residue 811 [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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PDB8wm6 Growth phase-dependent reorganization of cryptophyte photosystem I antennae.
Resolution2.7 Å
Binding residue
(original residue number in PDB)		H49 F50 L53 W122 W166 R173 H176 H177 L181 F182
Binding residue
(residue number reindexed from 1)		H48 F49 L52 W121 W165 R172 H175 H176 L180 F181
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:8wm6, PDBe:8wm6, PDBj:8wm6
PDBsum8wm6
PubMed38734819
UniProtA6MVZ6|PSAB_RHDSA Photosystem I P700 chlorophyll a apoprotein A2 (Gene Name=psaB)

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