Structure of PDB 2x5u Chain L Binding Site BS01

Receptor Information
>2x5u Chain L (length=273) Species: 1079 (Blastochloris viridis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ALLSFERKYRVRGGTLIGGDLFDFWVGPYFVGFFGVSAIFFIFLGVSLIG
YAASQGPTWDPFAISINPPDLKYGLGAAPLLEGGFWQAITVCALGAFISW
MLREVEISRKLGIGWHVPLAFCVPIFMFCVLQVFRPLLLGSWGHAFPYGI
LSHLDWVNNFGYQYLNWHYNPGHMSSVSFLFVNAMALGLHGGLILSVANP
GDGDKVKTAEHENQYFRDVVGYSIGALSIHRLGLFLASNIFLTGAFGTIA
SGPFWTRGWPEWWGWWLDIPFWS
Ligand information
Ligand IDBCB
InChIInChI=1S/C55H73N4O6.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;/h13,25,27-32,34-35,40,51H,14-24,26H2,1-12H3,(H-,56,57,58,59,60,62);/q-1;+4/p-1/b33-25+,39-13+;/t31-,32-,34-,35+,40+,51-;/m1./s1
InChIKeyQNWPCDKNPGOYNP-DSENBSCCSA-M
SMILES
SoftwareSMILES
CACTVS 3.385COC(=O)[C@H]1C(=O)C2=C(C)C3=CC4=[N@+]5C(=Cc6n7c(C=C8[C@@H](C)[C@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)C9=[N@@+]8[Mg]57[N@]3C2=C19)c(C)c6C(C)=O)[C@H](C)\C4=C/C
OpenEye OEToolkits 2.0.7CC=C1c2cc3c(c4c5n3[Mg]67[n+]2c(cc8n6c(cc9[n+]7c(c5C(C4=O)C(=O)OC)C(C9C)CCC(=O)OCC=C(C)CCCC(C)CCCC(C)CCCC(C)C)c(c8C(=O)C)C)C1C)C
OpenEye OEToolkits 2.0.7C/C=C\1/c2cc3c(c4c5n3[Mg]67[n+]2c(cc8n6c(cc9[n+]7c(c5[C@H](C4=O)C(=O)OC)[C@H]([C@@H]9C)CCC(=O)OC/C=C(\C)/CCC[C@H](C)CCC[C@H](C)CCCC(C)C)c(c8C(=O)C)C)C1C)C
CACTVS 3.385COC(=O)[CH]1C(=O)C2=C(C)C3=CC4=[N+]5C(=Cc6n7c(C=C8[CH](C)[CH](CCC(=O)OCC=C(C)CCC[CH](C)CCC[CH](C)CCCC(C)C)C9=[N+]8[Mg]57[N]3C2=C19)c(C)c6C(C)=O)[CH](C)C4=CC
FormulaC55 H72 Mg N4 O6
NameBACTERIOCHLOROPHYLL B
ChEMBL
DrugBank
ZINC
PDB chain2x5u Chain L Residue 1274 [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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PDB2x5u Light-induced structural changes in a photosynthetic reaction center caught by Laue diffraction.
Resolution3.0 Å
Binding residue
(original residue number in PDB)		F97 M127 V157 N158 F160 Y162 W167 H168 H173 S176 V177 L180 F181 F241 G244 T248
Binding residue
(residue number reindexed from 1)		F97 M127 V157 N158 F160 Y162 W167 H168 H173 S176 V177 L180 F181 F241 G244 T248
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
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
View graph for
Cellular Component
External links
PDB RCSB:2x5u, PDBe:2x5u, PDBj:2x5u
PDBsum2x5u
PubMed20431017
UniProtP06009|RCEL_BLAVI Reaction center protein L chain (Gene Name=pufL)

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