Structure of PDB 6hqb Chain A Binding Site BS19

Receptor Information
>6hqb Chain A (length=750) 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]
TISPPEREAKAKVSVDNNPVPTSFEKWGKPGHFDRTLARGPKTTTWIWNL
HANAHDFDSQTSDLEDVSRKIFSAHFGHLAVVFVWLSGMYFHGAKFSNYE
GWLADPTHIKPSAQVVWPIVGQGILNGDVGGGFHGIQITSGLFYLWRASG
FTDSYQLYCTAIGGLVMAALMLFAGWFHYHVKAPKLEWFQNVESMMNHHL
AGLLGLGSLGWAGHQIHVSMPINKLLDAGVAPKDIPLPHEFILEPSKMAE
LYPSFAQGLTPFFTLNWGVYSDFLTFKGGLNPVTGGLWLSDTAHHHLAIA
VLFIIAGHMYRTNWGIGHSMKEILEAHKGPFTGEGHKGLYEILTTSWHAQ
LAINLALLGSLTIIVAQHMYAMPPYPYQAIDYATQLSLFTHHMWIGGFLI
VGAGAHGAIFMVRDYDPAKNVNNLLDRMLRHRDAIISHLNWVCIFLGFHS
FGLYIHNDTMRALGRPQDMFSDTAIQLQPIFAQWVQHLHTLAPGATAPNA
LATASYAFGGETIAVAGKVAMMPITLGTADFMVHHIHAFTIHVTALILLK
GVLYARSSRLVPDKANLGFRFPCDGPGRGGTCQVSGWDHVFLGLFWMYNS
LSIVIFHFSWKMQSDVWGTVSPDGSVTHVTLGNFAQSAITINGWLRDFLW
AQAANVINSYGSALSAYGIMFLAGHFVFAFSLMFLFSGRGYWQELIESIV
WAHNKLNVAPAIQPRALSIIQGRAVGVAHYLLGGIVTTWAFFLARSLSIG
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 A Residue 1117 [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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PDB6hqb Crystal Structure of Photosystem I Monomer From Synechocystis PCC 6803.
Resolution4.0 Å
Binding residue
(original residue number in PDB)		L205 W212 H296 H297 I300 M370 P375 Y376
Binding residue
(residue number reindexed from 1)		L204 W211 H295 H296 I299 M369 P374 Y375
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:0005886 plasma membrane
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:6hqb, PDBe:6hqb, PDBj:6hqb
PDBsum6hqb
PubMed30662446
UniProtP29254|PSAA_SYNY3 Photosystem I P700 chlorophyll a apoprotein A1 (Gene Name=psaA)

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