Structure of PDB 6hqb Chain K Binding Site BS03

Receptor Information
>6hqb Chain K (length=70) Species: 1111708 (Synechocystis sp. PCC 6803 substr. Kazusa) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
WSLSVGIIMCLCNVFAFVIGYFAIQKTGKGKDLALPQLASKKTFGLPELL
ATMSFGHILGAGMVLGLASS
Ligand information
Ligand IDCLA
InChIInChI=1S/C55H73N4O5.Mg/c1-13-39-35(8)42-28-44-37(10)41(24-25-48(60)64-27-26-34(7)23-17-22-33(6)21-16-20-32(5)19-15-18-31(3)4)52(58-44)50-51(55(62)63-12)54(61)49-38(11)45(59-53(49)50)30-47-40(14-2)36(9)43(57-47)29-46(39)56-42;/h13,26,28-33,37,41,51H,1,14-25,27H2,2-12H3,(H-,56,57,58,59,61);/q-1;+2/p-1/b34-26+;/t32-,33-,37+,41+,51-;/m1./s1
InChIKeyATNHDLDRLWWWCB-AENOIHSZSA-M
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.7CCC1=C(C2=Cc3c(c(c4n3[Mg]56[N]2=C1C=C7N5C8=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=C)C
CACTVS 3.385CCC1=C(C)C2=Cc3n4[Mg][N]5C(=CC1=N2)C(=C6C(=O)[CH](C(=O)OC)C(=C56)C7=NC(=Cc4c(C)c3C=C)[CH](C)[CH]7CCC(=O)OCC=C(C)CCC[CH](C)CCC[CH](C)CCCC(C)C)C
ACDLabs 12.01O=C(OC)C1C(=O)C2=C(C)C3=CC=4C(CC)=C(C)C5=Cc6c(C=C)c(C)c7C=C8C(C)C(CCC(=O)OC\C=C(/C)CCCC(C)CCCC(C)CCCC(C)C)C=9C1=C2N3[Mg](n76)(N5=4)N8=9
OpenEye OEToolkits 2.0.7CCC1=C(C2=Cc3c(c(c4n3[Mg]56[N]2=C1C=C7N5C8=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=C)C
CACTVS 3.385CCC1=C(C)C2=Cc3n4[Mg][N@@]5C(=CC1=N2)C(=C6C(=O)[C@H](C(=O)OC)C(=C56)C7=NC(=Cc4c(C)c3C=C)[C@@H](C)[C@@H]7CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)C
FormulaC55 H72 Mg N4 O5
NameCHLOROPHYLL A
ChEMBL
DrugBankDB02133
ZINC
PDB chain6hqb Chain K Residue 1402 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB6hqb Crystal Structure of Photosystem I Monomer From Synechocystis PCC 6803.
Resolution4.0 Å
Binding residue
(original residue number in PDB)		W18 V22 M26 C27 N30 H74
Binding residue
(residue number reindexed from 1)		W1 V5 M9 C10 N13 H57
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Cellular Component
GO:0009522 photosystem I
GO:0016020 membrane
GO:0042651 thylakoid membrane

View graph for
Biological Process
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Cellular Component
External links
PDB RCSB:6hqb, PDBe:6hqb, PDBj:6hqb
PDBsum6hqb
PubMed30662446
UniProtP74564|PSAK2_SYNY3 Photosystem I reaction center subunit PsaK 2 (Gene Name=psaK2)

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