Structure of PDB 6kac Chain a Binding Site BS08

Receptor Information
>6kac Chain a (length=336) Species: 3055 (Chlamydomonas reinhardtii) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ENSSLWARFCEWITSTENRLYIGWFGVIMIPCLLTATSVFIIAFIAAPPV
DIDGIREPVSGSLLYGNNIITGAVIPTSNAIGLHFYPIWEAASLDEWLYN
GGPYQLIVCHFLLGVYCYMGREWELSFRLGMRPWIAVAYSAPVAAASAVF
LVYPIGQGSFSDGMPLGISGTFNFMIVFQAEHNILMHPFHMLGVAGVFGG
SLFSAMHGSLVTSSLIRETTENESANEGYRFGQEEETYNIVAAHGYFGRL
IFQYASFNNSRSLHFFLAAWPVIGIWFTALGLSTMAFNLNGFNFNQSVVD
SQGRVLNTWADIINRANLGMEVMHERNAHNFPLDLA
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 chain6kac Chain a Residue 410 [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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PDB6kac Structural insight into light harvesting for photosystem II in green algae.
Resolution2.7 Å
Binding residue
(original residue number in PDB)		I36 P39 C40 T43 F93 P95 I96 W97 Q113 L114 H118
Binding residue
(residue number reindexed from 1)		I28 P31 C32 T35 F85 P87 I88 W89 Q105 L106 H110
Annotation score1
Enzymatic activity
Enzyme Commision number 1.10.3.9: photosystem II.
Gene Ontology
Molecular Function
GO:0005506 iron ion binding
GO:0009055 electron transfer activity
GO:0010242 oxygen evolving activity
GO:0016168 chlorophyll binding
GO:0016491 oxidoreductase activity
GO:0016682 oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor
GO:0045156 electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity
GO:0046872 metal ion binding
Biological Process
GO:0009635 response to herbicide
GO:0009772 photosynthetic electron transport in photosystem II
GO:0015979 photosynthesis
GO:0019684 photosynthesis, light reaction
Cellular Component
GO:0009507 chloroplast
GO:0009523 photosystem II
GO:0009535 chloroplast thylakoid membrane
GO:0009579 thylakoid
GO:0016020 membrane

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Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:6kac, PDBe:6kac, PDBj:6kac
PDBsum6kac
PubMed31768031
UniProtP07753|PSBA_CHLRE Photosystem II protein D1 (Gene Name=psbA)

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