Structure of PDB 8tpj Chain A Binding Site BS03

Receptor Information
>8tpj Chain A (length=210) Species: 1148 (Synechocystis sp. PCC 6803) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
VTPRFVELGQVSAIRTEPEIAYRSNQGVTRQRQQTKVFKLVSTYDKVAVK
NAIRAAYRQVFERDLEPYIINSEFTALESKLSNNEINVKEFIEGLGTSEL
YMKEFYAPYPNTKVIEMGTKHFLGRAPLNQKEIQQYNQILASQGLKAFIG
AMVNGMEYLQTFGEDTVPYRRFPTLPAANFPNTERLYNKLTKQDKELVVP
SFTPVVKVGG
Ligand information
Ligand IDCYC
InChIInChI=1S/C33H40N4O6/c1-7-20-19(6)32(42)37-27(20)14-25-18(5)23(10-12-31(40)41)29(35-25)15-28-22(9-11-30(38)39)17(4)24(34-28)13-26-16(3)21(8-2)33(43)36-26/h13-15,19-20,35H,7-12H2,1-6H3,(H,36,43)(H,37,42)(H,38,39)(H,40,41)/b26-13-,27-14-,28-15-/t19-,20-/m1/s1
InChIKeyVXTXPYZGDQPMHK-GMXXPEQVSA-N
SMILES
SoftwareSMILES
CACTVS 3.385CC[C@@H]1[C@@H](C)C(=O)N\C1=C/c2[nH]c(\C=C3/N=C(\C=C4/NC(=O)C(=C4C)CC)C(=C3CCC(O)=O)C)c(CCC(O)=O)c2C
CACTVS 3.385CC[CH]1[CH](C)C(=O)NC1=Cc2[nH]c(C=C3N=C(C=C4NC(=O)C(=C4C)CC)C(=C3CCC(O)=O)C)c(CCC(O)=O)c2C
OpenEye OEToolkits 1.7.6CCC1C(C(=O)NC1=Cc2c(c(c([nH]2)C=C3C(=C(C(=N3)C=C4C(=C(C(=O)N4)CC)C)C)CCC(=O)O)CCC(=O)O)C)C
OpenEye OEToolkits 1.7.6CC[C@@H]\1[C@H](C(=O)N/C1=C\c2c(c(c([nH]2)/C=C\3/C(=C(C(=N3)/C=C\4/C(=C(C(=O)N4)CC)C)C)CCC(=O)O)CCC(=O)O)C)C
FormulaC33 H40 N4 O6
NamePHYCOCYANOBILIN
ChEMBL
DrugBank
ZINCZINC000058632644
PDB chain8tpj Chain M Residue 200 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB8tpj Structural and quantum chemical basis for OCP-mediated quenching of phycobilisomes.
Resolution2.1 Å
Binding residue
(original residue number in PDB)		V714 R718 T860 L861 F866
Binding residue
(residue number reindexed from 1)		V28 R32 T174 L175 F180
Annotation score4
Enzymatic activity
Enzyme Commision number 4.-.-.-
Gene Ontology
Molecular Function
GO:0005515 protein binding
GO:0016829 lyase activity
Biological Process
GO:0015979 photosynthesis
Cellular Component
GO:0009579 thylakoid
GO:0016020 membrane
GO:0030089 phycobilisome
GO:0031676 plasma membrane-derived thylakoid membrane

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Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:8tpj, PDBe:8tpj, PDBj:8tpj
PDBsum8tpj
PubMed38578996
UniProtQ55544|APCE_SYNY3 Phycobiliprotein ApcE (Gene Name=apcE)

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