Structure of PDB 1r2c Chain M Binding Site BS06

Receptor Information
>1r2c Chain M (length=323) Species: 1079 (Blastochloris viridis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ADYQTIYTQIQARGPHITVSGEWGDNDRVGKPFYSYWLGKIGDAQIGPIY
LGASGIAAFAFGSTAILIILFNMAAEVHFDPLQFFRQFFWLGLYPPKAQY
GMGIPPLHDGGWWLMAGLFMTLSLGSWWIRVYSRARALGLGTHIAWNFAA
AIFFVLCIGCIHPTLVGSWSEGVPFGIWPHIDWLTAFSIRYGNFYYCPWH
GFSIGFAYGCGLLFAAHGATILAVARFGGDREIEQITDRGTAVERAALFW
RWTIGFNATIESVHRWGWFFSLMVMVSASVGILLTGTFVDNWYLWCVKHG
AAPDYPAYLPATPDPASLPGAPK
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 chain1r2c Chain M Residue 1303 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1r2c Time-resolved crystallographic studies of light-induced structural changes in the photosynthetic reaction center.
Resolution2.86 Å
Binding residue
(original residue number in PDB)		I66 L124 F154 V155 L184 F194 Y195 H200 S203 I204 Y208 M275 A278 I282
Binding residue
(residue number reindexed from 1)		I66 L124 F154 V155 L184 F194 Y195 H200 S203 I204 Y208 M275 A278 I282
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:1r2c, PDBe:1r2c, PDBj:1r2c
PDBsum1r2c
PubMed15073325
UniProtP06010|RCEM_BLAVI Reaction center protein M chain (Gene Name=pufM)

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