Structure of PDB 3gn5 Chain A Binding Site BS01

Receptor Information

>3gn5 Chain A (length=132) Species: 83333 (Escherichia coli K-12) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]

HMKCPVCHQGEMVSGIKDIPYTFRGRKTVLKGIHGLYCVHCEESIMNKEE
SDAFMAQVKAFRASVNAETVAPEFIVKVRKKLSLTQKEASEIFGGGVNAF
SRYEKGNAQPHPSTIKLLRVLDKHPELLNEIR

Ligand information

InChI=1S/Zn/q+2

PTFCDOFLOPIGGS-UHFFFAOYSA-N

SMILES

Software	SMILES
CACTVS 3.341	[Zn++]
ACDLabs 10.04 OpenEye OEToolkits 1.5.0	[Zn+2]

Formula

Zn

Name

ZINC ION

PDB chain

3gn5 Chain A Residue 132 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]

Receptor-Ligand Complex Structure

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PDB	3gn5 Three dimensional structure of the MqsR:MqsA complex: a novel TA pair comprised of a toxin homologous to RelE and an antitoxin with unique properties.
Resolution	2.15 Å
Binding residue (original residue number in PDB)	C3 C6 C37 C40
Binding residue (residue number reindexed from 1)	C4 C7 C38 C41
Annotation score	4

Enzymatic activity

Enzyme Commision number

Gene Ontology

	Molecular Function
GO:0003677	DNA binding
GO:0005515	protein binding
GO:0042803	protein homodimerization activity
GO:0043565	sequence-specific DNA binding
GO:0046872	metal ion binding

	Biological Process
GO:0006355	regulation of DNA-templated transcription
GO:0044010	single-species biofilm formation

	Cellular Component
GO:0110001	toxin-antitoxin complex

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Cellular Component

External links

PDB	RCSB:3gn5, PDBe:3gn5, PDBj:3gn5
PDBsum	3gn5
PubMed	20041169
UniProt	Q46864\|MQSA_ECOLI Antitoxin MqsA (Gene Name=mqsA)

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