Structure of PDB 5b5m Chain M Binding Site BS05

Receptor Information
>5b5m Chain M (length=318) Species: 1050 (Thermochromatium tepidum) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PEYQNIFTAVQVRAPAYPGVPLPKGNLPRIGRPIFSYWLGKIGDAQIGPI
YLGLTGTLSIFFGLVAISIIGFNMLASVHWDVFQFLKHFFWLGLEPPPPQ
YGLRIPPLSEGGWWLMAGLFLTLSILLWWVRTYKRAEALGMSQHLSWAFA
AAIFFYLVLGFIRPVMMGSWAKAVPFGIFPHLDWTAAFSIRYGNLYYNPF
HMLSIAFLYGSALLFAMHGATILSVSRFGGDREIDQITHRGTAAERAALF
WRWTMGFNVTMESIHRWAWWCAVLTVITAGIGILLSGTVVDNWYLWAVKH
GMAPAYPEVVTAVNPYET
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 chain5b5m Chain M Residue 401 [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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PDB5b5m Structural Basis for the Unusual Qy Red-Shift and Enhanced Thermostability of the LH1 Complex from Thermochromatium tepidum.
Resolution3.3 Å
Binding residue
(original residue number in PDB)
I126 F156 T186 F189 L196 Y197 H202 S205 I206 Y210 A280 G283 I284
Binding residue
(residue number reindexed from 1)
I125 F155 T185 F188 L195 Y196 H201 S204 I205 Y209 A279 G282 I283
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0005515 protein binding
GO:0042314 bacteriochlorophyll 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
GO:0042717 plasma membrane-derived chromatophore membrane

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:5b5m, PDBe:5b5m, PDBj:5b5m
PDBsum5b5m
PubMed27933779
UniProtA8ASG6

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