Structure of PDB 6jeo Chain aA Binding Site BS37

Receptor Information
>6jeo Chain aA (length=739) Species: 103690 (Nostoc sp. PCC 7120 = FACHB-418) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
RVIVDKDPVPTSFEKWAQPGHFDRTLARGPKTTTWIWNLHALAHDFDTHT
SDLEDISRKIFAAHFGHLAVVTIWLSGMIFHGAKFSNYEAWLSDPLNVRP
SAQVVWPIVGQDILNGDVGGGFHGIQITSGLFQVWRGWGITNSFQLYCTA
IGGLVLAGLFLFAGWFHYHKRAPKLEWFQNVESMLNHHLQVLLGCGSLGW
AGHLIHVSAPINKLMDAGVAVKDIPLPHEFILNKSLLIDLFPGFAAGLTP
FFTLNWGQYADFLTFKGGLNPVTGGLWMTDIAHHHLAIAVVFIIAGHQYR
TNWGIGHSIKEILENHKGPFTGEGHKGLYENLTTSWHAQLATNLAFLGSL
TIIIAHHMYAMPPYPYLATDYATQLCIFTHHIWIGGFLIVGGAAHAAIFM
VRDYDPVVNQNNVLDRVIRHRDAIISHLNWVCIFLGFHSFGLYIHNDTMR
ALGRPQDMFSDTAIQLQPVFAQWVQNLHTLAPGGTAPNALEPVSYAFGGG
VLAVGGKVAMMPIALGTADFLIHHIHAFTIHVTVLILLKGVLFARSSRLI
PDKANLGFRFPCDGPGRGGTCQVSGWDHVFLGLFWMYNSLSIVIFHFSWK
MQSDVWGTVDAAGNVSHITGGNFAQSAITINGWLRDFLWAQASQVINSYG
SALSAYGLMFLGAHFVWAFSLMFLFSGRGYWQELIESIVWAHNKLKVAPA
IQPRALSITQGRAVGVAHYLLGGIATTWAFFHAHILSVG
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 chain6jeo Chain aA Residue 837 [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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PDB6jeo Structure of a cyanobacterial photosystem I tetramer revealed by cryo-electron microscopy.
Resolution3.3 Å
Binding residue
(original residue number in PDB)		Y372 F483 A484 V487 Q488 I526 H536 H539 V606 H609
Binding residue
(residue number reindexed from 1)		Y359 F470 A471 V474 Q475 I513 H523 H526 V593 H596
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:6jeo, PDBe:6jeo, PDBj:6jeo
PDBsum6jeo
PubMed31666526
UniProtP58576|PSAA_NOSS1 Photosystem I P700 chlorophyll a apoprotein A1 (Gene Name=psaA)

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