Structure of PDB 4rcr Chain L Binding Site BS02

Receptor Information
>4rcr Chain L (length=266) Species: 1063 (Cereibacter sphaeroides) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
FERKYRVPGGTLVGGNLFDFWVGPFYVGFFGVATFFFAALGIILIAWSAV
LQGTWNPQLISVYPPALEYGLGGAPLAKGGLWQIITICATGAFVSWALRE
VEICRKLGIGYHIPFAFAFAILAYLTLVLFRPVMMGAWGYAFPYGIWTHL
DWVSNTGYTYGNFHYNPAHMIAISFFFTNALALALHGALVLSAANPEKGK
EMRTPDHEDTFFRDLVGYSIGTLGIHRLGLLLSLSAVFFSALCMIITGTI
WFDQWVDWWQWWVKLP
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 chain4rcr Chain L Residue 283 [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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PDB4rcr Structure of the reaction center from Rhodobacter sphaeroides R-26 and 2.4.1: protein-cofactor (bacteriochlorophyll, bacteriopheophytin, and carotenoid) interactions.
Resolution2.8 Å
Binding residue
(original residue number in PDB)		F97 A124 A127 Y128 G161 Y162 F167 H168 H173 I177 F180 S244 A245 M248
Binding residue
(residue number reindexed from 1)		F93 A120 A123 Y124 G157 Y158 F163 H164 H169 I173 F176 S240 A241 M244
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

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:4rcr, PDBe:4rcr, PDBj:4rcr
PDBsum4rcr
PubMed3186702
UniProtP0C0Y8|RCEL_CERSP Reaction center protein L chain (Gene Name=pufL)

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