Structure of PDB 6kaf Chain B Binding Site BS05

Receptor Information
>6kaf Chain B (length=503) Species: 3055 (Chlamydomonas reinhardtii) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GLPWYRVHTVVINDPGRLISVHLMHTALVSGWAGSMALFEISVFDPSDPV
LNPMWRQGMFVLPFMTRLGITQSWGGWTISGETATNPGIWSYEGVAAAHI
ILSGALFLASVWHWTYWDLELFRDPRTGKTALDLPKIFGIHLFLSGLLCF
GFGAFHVTGVFGPGIWVSDPYGLTGRVQPVAPSWGADGFDPYNPGGIASH
HIAAGILGVLAGLFHLCVRPSIRLYFGLSMGSIETVLSSSIAAVFWAAFV
VAGTMWYGSAATPIELFGPTRYQWDQGFFQQEIQKRVQASLAEGASLSDA
WSRIPEKLAFYDYIGNNPAKGGLFRTGAMNSGDGIAVGWLGHASFKDQEG
RELFVRRMPTFFETFPVLLLDKDGIVRADVPFRKAESKYSIEQVGVSVTF
YGGELDGLTFTDPATVKKYARKAQLGEIFEFDRSTLQSDGVFRSSPRGWF
TFGHVCFALLFFFGHIWHGARTIFRDVFAGIDDDINDQVEFGKYKKLGDT
SSL
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 chain6kaf Chain B Residue 605 [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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PDB6kaf Structure of a C2S2M2N2-type PSII-LHCII supercomplex from the green algaChlamydomonas reinhardtii.
Resolution3.73 Å
Binding residue
(original residue number in PDB)		W33 F61 F65 L149 V252 F451 H455 F458 F462
Binding residue
(residue number reindexed from 1)		W32 F60 F64 L148 V251 F450 H454 F457 F461
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0016168 chlorophyll binding
GO:0045156 electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity
Biological Process
GO:0009767 photosynthetic electron transport chain
GO:0009772 photosynthetic electron transport in photosystem II
GO:0015979 photosynthesis
GO:0019684 photosynthesis, light reaction
Cellular Component
GO:0009507 chloroplast
GO:0009521 photosystem
GO:0009523 photosystem II
GO:0009535 chloroplast thylakoid membrane
GO:0009579 thylakoid
GO:0016020 membrane

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:6kaf, PDBe:6kaf, PDBj:6kaf
PDBsum6kaf
PubMed31570614
UniProtP37255|PSBB_CHLRE Photosystem II CP47 reaction center protein (Gene Name=psbB)

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