3HI2

Structure of the N-terminal domain of the E. coli antitoxin MqsA (YgiT/b3021) in complex with the E. coli toxin MqsR (YgiU/b3022)

Functional Information from GO Data

Chain	GOid	namespace	contents
B	0004519	molecular_function	endonuclease activity
B	0004521	molecular_function	RNA endonuclease activity
B	0005515	molecular_function	protein binding
B	0006355	biological_process	regulation of DNA-templated transcription
B	0009372	biological_process	quorum sensing
B	0016892	molecular_function	RNA endonuclease activity, producing 3'-phosphomonoesters
B	0017148	biological_process	negative regulation of translation
B	0043488	biological_process	regulation of mRNA stability
B	0044010	biological_process	single-species biofilm formation
B	0045892	biological_process	negative regulation of DNA-templated transcription
B	0061157	biological_process	mRNA destabilization
B	0110001	cellular_component	toxin-antitoxin complex
B	2000145	biological_process	regulation of cell motility
D	0004519	molecular_function	endonuclease activity
D	0004521	molecular_function	RNA endonuclease activity
D	0005515	molecular_function	protein binding
D	0006355	biological_process	regulation of DNA-templated transcription
D	0009372	biological_process	quorum sensing
D	0016892	molecular_function	RNA endonuclease activity, producing 3'-phosphomonoesters
D	0017148	biological_process	negative regulation of translation
D	0043488	biological_process	regulation of mRNA stability
D	0044010	biological_process	single-species biofilm formation
D	0045892	biological_process	negative regulation of DNA-templated transcription
D	0061157	biological_process	mRNA destabilization
D	0110001	cellular_component	toxin-antitoxin complex
D	2000145	biological_process	regulation of cell motility

Functional Information from PDB Data

site_id	AC1
Number of Residues	4
Details	BINDING SITE FOR RESIDUE ZN A 121

Chain	Residue
A	CYS3
A	CYS6
A	CYS37
A	CYS40

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site_id	AC2
Number of Residues	7
Details	BINDING SITE FOR RESIDUE GOL A 3968

Chain	Residue
B	GLY36
B	HOH124
A	PHE22
A	ARG23
A	ASN65
B	GLU34
B	LEU35

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site_id	AC3
Number of Residues	6
Details	BINDING SITE FOR RESIDUE GOL B 3968

Chain	Residue
A	ASN46
B	ARG23
B	VAL90
B	HOH102
B	HOH218
D	GLY36

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site_id	AC4
Number of Residues	4
Details	BINDING SITE FOR RESIDUE ZN C 121

Chain	Residue
C	CYS3
C	CYS6
C	CYS37
C	CYS40

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Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	8
Details	BINDING: BINDING => ECO:0000269|PubMed:20041169, ECO:0000269|PubMed:20823526, ECO:0000269|PubMed:21068382, ECO:0000269|PubMed:22789559

Chain	Residue	Details
A	CYS3
A	CYS6
A	CYS37
A	CYS40
C	CYS3
C	CYS6
C	CYS37
C	CYS40

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