Structure of PDB 3m4a Chain A Binding Site BS02

Receptor Information
>3m4a Chain A (length=304) Species: 1299 (Deinococcus radiodurans) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PSRTELLARRARIARLAVPPAYQDVYVSPDAENELQAFGRDAARLQYRYH
PDFVALKKWQRLTRFAGALPTLKVATTADLRASGLPPRKVMALMTRLLHV
ARFRVGSDIYARQHKTYGLSTLRQRHVVVDGNTVTFRFKGKHGVSQHKAT
SDRTLAANMQKLLDLPGPWLFQTVDAGGERRRIHSTELNAYLREVIGPFT
AKDFRTWGGTLLAAEYLAQQGTESSERQAKKVLVDCVKFVADDLGNTPAV
TRGSYICPVIFDRYLDGKVLDDYEPRTERQEAELEGLTRSEGALKRMLES
ERTL
Ligand information
Receptor-Ligand Complex Structure
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PDB3m4a Crystal structure of a bacterial topoisomerase IB in complex with DNA reveals a secondary DNA binding site.
Resolution1.65 Å
Binding residue
(original residue number in PDB)		P2 A111 R114
Binding residue
(residue number reindexed from 1)		P1 A78 R81
Enzymatic activity
Enzyme Commision number 5.6.2.1: DNA topoisomerase.
Gene Ontology
Molecular Function
GO:0003677 DNA binding
GO:0003916 DNA topoisomerase activity
GO:0003917 DNA topoisomerase type I (single strand cut, ATP-independent) activity
Biological Process
GO:0006265 DNA topological change

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Molecular Function
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Biological Process
External links
PDB RCSB:3m4a, PDBe:3m4a, PDBj:3m4a
PDBsum3m4a
PubMed20541510
UniProtQ9RWH8

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