Structure of PDB 8iun Chain M Binding Site BS01

Receptor Information
>8iun Chain M (length=306) Species: 120962 (Roseiflexus castenholzii) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PIDLHDEEYRDGLEGTIAKPPGHVGWMQRLLGEGQVGPIYVGLWGVISFI
TFFASAFIILVDYGRQVGWNPIIYLREFWNLAVYPPPTEYGLSWNVPWDK
GGAWLAATFFLHISVLTWWARLYTRAKATGVGTQLAWGFASALSLYFVIY
LFHPLALGNWSAAPGHGFRAILDWTNYVSIHWGNFYYNPFHMLSIFFLLG
STLLLAMHGATIVATSKWKSEMEFTEMMAEGPGTQRAQLFWRWVMGWNAN
SYNIHIWAWWFAAFTAITGAIGLFLSGTLVPDWYAWGETAKIVAPWPNPD
WAQYVF
Ligand information
Ligand IDBCL
InChIInChI=1S/C55H75N4O6.Mg/c1-13-39-34(7)41-29-46-48(38(11)60)36(9)43(57-46)27-42-35(8)40(52(58-42)50-51(55(63)64-12)54(62)49-37(10)44(59-53(49)50)28-45(39)56-41)23-24-47(61)65-26-25-33(6)22-16-21-32(5)20-15-19-31(4)18-14-17-30(2)3;/h25,27-32,34-35,39-40,51H,13-24,26H2,1-12H3,(H-,56,57,58,59,60,62);/q-1;+2/p-1/b33-25+;/t31-,32-,34-,35+,39-,40+,51-;/m1./s1
InChIKeyDSJXIQQMORJERS-AGGZHOMASA-M
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.7CC[C@@H]1[C@H](C2=CC3=C(C(=C4[N-]3[Mg+2]56[N]2=C1C=C7[N-]5C8=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(=O)C)C
CACTVS 3.385[Mg++].CC[CH]1[CH](C)C2=Cc3[n-]c(C=C4N=C([CH](CCC(=O)OCC=C(C)CCC[CH](C)CCC[CH](C)CCCC(C)C)[CH]4C)C5=C6[N-]C(=CC1=N2)C(=C6C(=O)[CH]5C(=O)OC)C)c(C)c3C(C)=O
CACTVS 3.385[Mg++].CC[C@@H]1[C@@H](C)C2=Cc3[n-]c(C=C4N=C([C@@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@@H]4C)C5=C6[N-]C(=CC1=N2)C(=C6C(=O)[C@@H]5C(=O)OC)C)c(C)c3C(C)=O
OpenEye OEToolkits 2.0.7CCC1C(C2=CC3=C(C(=C4[N-]3[Mg+2]56[N]2=C1C=C7[N-]5C8=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(=O)C)C
FormulaC55 H74 Mg N4 O6
NameBACTERIOCHLOROPHYLL A
ChEMBL
DrugBankDB01853
ZINC
PDB chain8iun Chain M Residue 701 [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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PDB8iun New insights on the photocomplex of Roseiflexus castenholzii revealed from comparisons of native and carotenoid-depleted complexes.
Resolution2.85 Å
Binding residue
(original residue number in PDB)		T509 V512 S513 F519 Y520 H525 S528 I529 G603
Binding residue
(residue number reindexed from 1)		T175 V178 S179 F185 Y186 H191 S194 I195 G269
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0016168 chlorophyll binding
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:0016020 membrane
GO:0030077 plasma membrane light-harvesting complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:8iun, PDBe:8iun, PDBj:8iun
PDBsum8iun
PubMed37468106
UniProtA7NQE8

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