Structure of PDB 6tcl Chain B Binding Site BS47

Receptor Information
>6tcl Chain B (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]
TKFPKFSQDLAQDPTTRRIWYAMAMGNDFESHDGMTEENLYQKIFATHFG
HLAIIFLWASSLLFHVAWQGNFEQWIKDPLHVRPIAHAIWDPHFGKPAIE
AFTQAGANGPVNIAYSGVYHWWYTIGMRTNTELYTGSVFLLLFASLFLFA
GWLHLQPKFRPSLAWFKSAESRLNHHLAGLFGVSSLAWAGHLIHVAIPES
RGQHVGWDNFLSTAPHPAGLQPFFTGNWGVYAQNPDTAGHIFSTSQGAGT
AILTFLGGFHPQTESLWLTDMAHHHLAIAVLFIVAGHMYRTNFGIGHSIK
EMMNAKTFFGKPVEGPFNMPHQGIYDTYNNSLHFQLGWHLACLGVVTSWV
AQHMYSLPSYAFIAKDYTTQAALYTHHQYIAIFLMVGAFAHGAIFLVRDY
DPEQNKGNVLERVLQHKEAIISHLSWVSLFLGFHTLGLYVHNDVVVAFGT
PEKQILIEPVFAQFIQAAHGKVLYGLDTLLSNPDSVAYTAYPNYANVWLP
GWLDAINSGTNSLFLTIGPGDFLVHHAIALGLHTTTLILVKGALDARGSK
LMPDKKDFGYAFPCDGPGRGGTCDISAWDSFYLSLFWALNTVGWVTFYWH
WKHLGIWQGNVAQFNENSTYLMGWFRDYLWANSAQLINGYNPYGVNNLSV
WAWMFLFGHLVWATGFMFLISWRGYWQELIETLVWAHERTPIANLVRWKD
KPVALSIVQARVVGLAHFTVGYVLTYAAFLIASTAGKFG
Ligand information
Ligand IDSF4
InChIInChI=1S/4Fe.4S
InChIKeyLJBDFODJNLIPKO-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.7[S]12[Fe]3[S]4[Fe]1[S]5[Fe]2[S]3[Fe]45
CACTVS 3.385S1[Fe]S[Fe]1.S2[Fe]S[Fe]2
FormulaFe4 S4
NameIRON/SULFUR CLUSTER
ChEMBL
DrugBank
ZINC
PDB chain6tcl Chain B Residue 861 [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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PDB6tcl Distinct structural modulation of photosystem I and lipid environment stabilizes its tetrameric assembly.
Resolution3.2 Å
Binding residue
(original residue number in PDB)		C566 T574 C575 W674
Binding residue
(residue number reindexed from 1)		C564 T572 C573 W672
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:6tcl, PDBe:6tcl, PDBj:6tcl
PDBsum6tcl
PubMed32170279
UniProtP58565|PSAB1_NOSS1 Photosystem I P700 chlorophyll a apoprotein A2 1 (Gene Name=psaB1)

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