Structure of PDB 5zgb Chain A Binding Site BS28

Receptor Information
>5zgb Chain A (length=741) Species: 280699 (Cyanidioschyzon merolae strain 10D) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
QVKVVVDRDVVPTSFEKWAKPGHFSRSLAKGPKTTTWIWNLHADAHDFDS
HTSSLEEVSRKIFSAHFGQLAIIFIWLSGMYFHGARFSNYVAWLSNPTGI
KPSAQVVWPIVGQQILNADVGGGMQGIQITSGLFQLWRASGIVNELQLYV
TALGGLGMAGLMIFAGWFHYHKAAPKLEWFQNVESMLNHHLAGLLGLGSL
SWAGHQIHVSLPINKLLDAGVAPSSIPLPHEFILNRNLMAELYPSFQQGL
VPFFTLNWKQYSDILTFKGGLSPVTGGLWLTDVAHHHLAIAVLFLVAGHM
YRTNWGIGHSIKQILEAHKGPLTGEGHKGLYEILTTSWHANLAINLAMLG
SLSIIVAHHMYAMPPYPYLATDYPTQLSLFTHHMWIGGFCIVGAGAHAAI
YMVRDYSPTVNFNNVLDRMIRHRDAIISHLNWVCIFLGMHSFGLYIHNDT
MRALGRAQDMFSDTAIQLQPVFAQWIQQIHTLAPGNTAVNALATASYAFG
ADTVTVGSKIAMMPIKLGTADFMVHHIHAFTIHVTTLILLKGVLYARNSR
LIPDKANLGFRFPCDGPGRGGTCQVSAWDHVFLGLFWMYNALSIVIFHFS
WKMQSDVWGTVTSNGAISHITGGNFAQSAITINGWLRDFLWAQASQVIQS
YGSSLSAYGLMFLGAHFVWAFSLMFLFSGRGYWQELIESIVWAHNKLKVA
PAIAPRALSITQGRAVGVAHYLLGGIATTWAFFLARIIAVG
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 chain5zgb Chain A Residue 828 [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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PDB5zgb Unique organization of photosystem I-light-harvesting supercomplex revealed by cryo-EM from a red alga
Resolution3.63 Å
Binding residue
(original residue number in PDB)		H49 A50 H53 D54 H346 L349 L353 F396 V399 G400 H404 I407 R568 W585 L592 L730
Binding residue
(residue number reindexed from 1)		H42 A43 H46 D47 H339 L342 L346 F389 V392 G393 H397 I400 R561 W578 L585 L723
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:0009507 chloroplast
GO:0009522 photosystem I
GO:0009535 chloroplast thylakoid membrane
GO:0009579 thylakoid
GO:0016020 membrane

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:5zgb, PDBe:5zgb, PDBj:5zgb
PDBsum5zgb
PubMed29632169
UniProtQ85FY7|PSAA_CYAM1 Photosystem I P700 chlorophyll a apoprotein A1 (Gene Name=psaA)

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