Structure of PDB 2wdq Chain K

Receptor sequence
>2wdqK (length=121) Species: 562 (Escherichia coli) [Search protein sequence]
QRPVNLDLQTIRFPITAIASILHRVSGVITFVAVGILLWLLGTSLSSPEG
FEQASAIMGSFFVKFIMWGILTALAYHVVVGIRHMMMDFGYLEETFEAGK
RSAKISFVITVVLSLLAGVLV
3D structure
PDB2wdq Structure of Escherichia coli succinate:quinone oxidoreductase with an occupied and empty quinone-binding site.
ChainK
Resolution2.4 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 1.3.5.1: succinate dehydrogenase.
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 HEM K H30 R31 G34 T37 F38 H84 V85 G88 H23 R24 G27 T30 F31 H77 V78 G81
BS02 CBE K F20 S27 I28 R31 F13 S20 I21 R24
Gene Ontology
Molecular Function
GO:0008177 succinate dehydrogenase (quinone) activity
GO:0009055 electron transfer activity
GO:0020037 heme binding
GO:0046872 metal ion binding
GO:0048039 ubiquinone binding
Biological Process
GO:0006099 tricarboxylic acid cycle
GO:0009060 aerobic respiration
GO:0017004 cytochrome complex assembly
GO:0019646 aerobic electron transport chain
Cellular Component
GO:0005886 plasma membrane
GO:0016020 membrane

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Cellular Component
External links
PDB RCSB:2wdq, PDBe:2wdq, PDBj:2wdq
PDBsum2wdq
PubMed19710024
UniProtP69054|DHSC_ECOLI Succinate dehydrogenase cytochrome b556 subunit (Gene Name=sdhC)

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