Structure of PDB 6kmx Chain aA Binding Site BS24

Receptor Information
>6kmx Chain aA (length=717) Species: 1641165 (Halomicronema hongdechloris C2206) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TTTWIWDLHADAHDFDSHTTDLEDISRKIFSAHFGHLAVIFLWLSGMYFH
GARFSNFSSWMTDPIHIKPSAQVVWPIFGQEILNADMGDGFRGIQITSGL
FQMWRGEGFTHEFQLFWTAIGALVMAALMMFAGWFHYHVRAPKLDWFRNW
ESMMNHHLAGLLGLGSLGWAGHLIHVALPTNKLLDAGVPLEDIPLPHEFI
LNKSLMVDLYPSFAEGVKPFFTLNWSAYADFLTFKGGLNPVTGGLWMTDI
AHHHVAIAVLFIIAGHFYRTNWGIGHSFRELLDDARTPKMLPIFNFIGPV
GHRGLDKIFETSWHANLAIHLVQFGTASLLVAHHMYAMPPYPYLATDYAT
VTSLFTHHVWIAGFCIVGGAAHAAIFLVRDYNPADHVNNVLDRTLRHRDT
VVSHLAWVCQFLGFHSFAMYCHNDTMRAFGRPQDMFSDTGIQLQPIFAQW
VQQIQTMAVGGVTAPGLGGPVSHAFGGGVVAIGDKIAMMPIQLGTADFLI
HHIHAFTIHVTVLVLLKGVLFSRNSRLIPDKGELGFRFPCDGPGRGGTCQ
VSAWDHVFLGLFWMYNSLSIVIFHFFWKMQSDVWGTVGADGTISHITGGN
FAQASITNNGWLRDFLWAQASQVIGSYGSALSAYGLFFLAGHFIFGFSLM
FLFSGRGYWQELIESIVWAHNKLKITTAIQPRALSITQGRAVGVAHYLLG
GIVTTWAFFLARMAAIG
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 chain6kmx Chain aA Residue 824 [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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PDB6kmx Structural basis for the adaptation and function of chlorophyll f in photosystem I.
Resolution2.41 Å
Binding residue
(original residue number in PDB)		F310 H319 L324 D327 K332 M333 L334 F337
Binding residue
(residue number reindexed from 1)		F267 H276 L281 D284 K289 M290 L291 F294
Annotation score1
Enzymatic activity
Enzyme Commision number 1.97.1.12: photosystem I.
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0009055 electron transfer activity
GO:0016168 chlorophyll binding
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
GO:0051539 4 iron, 4 sulfur cluster binding
Biological Process
GO:0015979 photosynthesis
Cellular Component
GO:0009522 photosystem I
GO:0009579 thylakoid
GO:0016020 membrane
GO:0031676 plasma membrane-derived thylakoid membrane
GO:0042651 thylakoid membrane

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:6kmx, PDBe:6kmx, PDBj:6kmx
PDBsum6kmx
PubMed31932639
UniProtA0A1Z3HIN6

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