Structure of PDB 4h44 Chain D Binding Site BS01

Receptor Information
>4h44 Chain D (length=166) 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]
DVPDMGRRQFMNLLTFGTVTGVALGALYPVVNYFIPPAAGGAGGGTTAKD
ELGNDVSVSKFLESHNVGDRTLVQGLKGDPTYIVAITDYGINAVCTHLGC
VVPWNAAENKFKCPCHGSQYDATGKVVRGPAPKSLALSHAKTENDKIVLT
SWTETDFRTGEEPWWS
Ligand information
Ligand IDFES
InChIInChI=1S/2Fe.2S
InChIKeyNIXDOXVAJZFRNF-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04[Fe]1S[Fe]S1
CACTVS 3.341
OpenEye OEToolkits 1.5.0		S1[Fe]S[Fe]1
FormulaFe2 S2
NameFE2/S2 (INORGANIC) CLUSTER
ChEMBL
DrugBank
ZINC
PDB chain4h44 Chain D Residue 202 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB4h44 Quinone-dependent proton transfer pathways in the photosynthetic cytochrome b6f complex
Resolution2.7 Å
Binding residue
(original residue number in PDB)		C108 H110 L111 C126 C128 H129 S131
Binding residue
(residue number reindexed from 1)		C95 H97 L98 C113 C115 H116 S118
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) H129
Catalytic site (residue number reindexed from 1) H116
Enzyme Commision number 7.1.1.6: plastoquinol--plastocyanin reductase.
Gene Ontology
Molecular Function
GO:0009496 plastoquinol--plastocyanin reductase activity
GO:0016491 oxidoreductase activity
GO:0045158 electron transporter, transferring electrons within cytochrome b6/f complex of photosystem II activity
GO:0046872 metal ion binding
GO:0051537 2 iron, 2 sulfur cluster binding
Biological Process
GO:0015979 photosynthesis
GO:0055085 transmembrane transport
Cellular Component
GO:0005886 plasma membrane
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:4h44, PDBe:4h44, PDBj:4h44
PDBsum4h44
PubMed23440205
UniProtQ93SX0|UCRIA_NOSS1 Cytochrome b6-f complex iron-sulfur subunit 1 (Gene Name=petC1)

[Back to BioLiP]