Structure of PDB 7fix Chain A1 Binding Site BS25

Receptor Information
>7fix Chain A1 (length=745) Species: 197221 (Thermosynechococcus vestitus BP-1) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KVRVVVDNDPVPTSFEKWAKPGHFDRTLARGPQTTTWIWNLHALAHDFDT
HTSDLEDISRKIFSAHFGHLAVVFIWLSGMYFHGAKFSNYEAWLADPTGI
KPSAQVVWPIVGQGILNGDVGGGFHGIQITSGLFQLWRASGITNEFQLYC
TAIGGLVMAGLMLFAGWFHYHKRAPKLEWFQNVESMLNHHLAGLLGLGSL
AWAGHQIHVSLPINKLLDAGVAAKDIPLPHEFILNPSLMAELYPKVDWGF
FSGVIPFFTFNWAAYSDFLTFNGGLNPVTGGLWLSDTAHHHLAIAVLFII
AGHMYRTNWGIGHSLKEILEAHKGPFTGAGHKGLYEVLTTSWHAQLAINL
AMMGSLSIIVAQHMYAMPPYPYLATDYPTQLSLFTHHMWIGGFLVVGGAA
HGAIFMVRDYDPAMNQNNVLDRVLRHRDAIISHLNWVCIFLGFHSFGLYV
HNDTMRAFGRPQDMFSDTGIQLQPVFAQWVQNLHTLAPGGTAPNAAATAS
VAFGGDVVAVGGKVAMMPIVLGTADFMVHHIHAFTIHVTVLILLKGVLFA
RSSRLIPDKANLGFRFPCDGPGRGGTCQVSGWDHVFLGLFWMYNCISVVI
FHFSWKMQSDVWGTVAPDGTVSHITGGNFAQSAITINGWLRDFLWAQASQ
VIGSYGSALSAYGLLFLGAHFIWAFSLMFLFSGRGYWQELIESIVWAHNK
LKVAPAIQPRALSIIQGRAVGVAHYLLGGIATTWAFFLARIISVG
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 chain7fix Chain A1 Residue 825 [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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PDB7fix Structure of cyanobacterial photosystem I complexed with ferredoxin at 1.97 angstrom resolution.
Resolution1.97 Å
Binding residue
(original residue number in PDB)		V193 M196 L197 H200 L348 Q355 I358 N359 M362 M363
Binding residue
(residue number reindexed from 1)		V183 M186 L187 H190 L338 Q345 I348 N349 M352 M353
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:7fix, PDBe:7fix, PDBj:7fix
PDBsum7fix
PubMed36097054
UniProtP0A405|PSAA_THEVB Photosystem I P700 chlorophyll a apoprotein A1 (Gene Name=psaA)

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