Structure of PDB 8tpj Chain A Binding Site BS04

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 O 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)		N797 T798 Q816 N823
Binding residue
(residue number reindexed from 1)		N111 T112 Q130 N137
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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