Structure of PDB 6kmx Chain cA Binding Site BS01

Receptor Information
>6kmx Chain cA (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 IDCL0
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;+4/p-1/b34-26+;/t32-,33-,37+,41+,51+;/m1./s1
InChIKeyVIQFHHZSLDFWDU-DVXFRRMCSA-M
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6CCC1=C(c2cc3c(c(c4n3[Mg]56[n+]2c1cc7n5c8c(c9[n+]6c(c4)C(C9CCC(=O)OC/C=C(\C)/CCC[C@H](C)CCC[C@H](C)CCCC(C)C)C)[C@@H](C(=O)c8c7C)C(=O)OC)C)C=C)C
CACTVS 3.385CCC1=C(C)C2=Cc3n4c(C=C5[CH](C)[CH](CCC(=O)OCC=C(C)CCC[CH](C)CCC[CH](C)CCCC(C)C)C6=[N+]5[Mg]47[N]8C(=CC1=[N+]27)C(=C9C(=O)[CH](C(=O)OC)C6=C89)C)c(C)c3C=C
OpenEye OEToolkits 1.7.6CCC1=C(c2cc3c(c(c4n3[Mg]56[n+]2c1cc7n5c8c(c9[n+]6c(c4)C(C9CCC(=O)OCC=C(C)CCCC(C)CCCC(C)CCCC(C)C)C)C(C(=O)c8c7C)C(=O)OC)C)C=C)C
CACTVS 3.385CCC1=C(C)C2=Cc3n4c(C=C5[C@@H](C)[C@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)C6=[N@@+]5[Mg]47[N@]8C(=CC1=[N@@+]27)C(=C9C(=O)[C@@H](C(=O)OC)C6=C89)C)c(C)c3C=C
FormulaC55 H72 Mg N4 O5
NameCHLOROPHYLL A ISOMER
ChEMBL
DrugBank
ZINC
PDB chain6kmx Chain cA Residue 801 [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)		Y463 I570 F573 Y632 S636 I637 F640 W678 L683 A687 F705 H709 F712 Y764 T771 T772 F775
Binding residue
(residue number reindexed from 1)		Y420 I503 F506 Y565 S569 I570 F573 W611 L616 A620 F638 H642 F645 Y697 T704 T705 F708
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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