Annotations: 4MQD

Crystal structure of ComJ, inhibitor of the DNA degrading activity of NucA, from Bacillus subtilis

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	ComJ-like	8092263	3002575	SCOP2B (2022-06-29)
C	SCOP2 Family	ComJ-like	8045819	4004706	SCOP2 (2022-06-29)
C	SCOP2 Superfamily	ComJ-like	8092263	3002575	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	ComJ-like	8092263	3002575	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	ComJ-like	8092263	3002575	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	An_peroxidase	e4mqdD1	A: a/b three-layered sandwiches	X: Ribonuclease H-like	H: ARM repeat	T: ARM repeat	F: An_peroxidase	ECOD (v294.1)
C	An_peroxidase	e4mqdC1	A: a/b three-layered sandwiches	X: Ribonuclease H-like	H: ARM repeat	T: ARM repeat	F: An_peroxidase	ECOD (v294.1)
B	An_peroxidase	e4mqdB1	A: a/b three-layered sandwiches	X: Ribonuclease H-like	H: ARM repeat	T: ARM repeat	F: An_peroxidase	ECOD (v294.1)
A	ComJ	e4mqdA1	A: a/b three-layered sandwiches	X: TIM beta/alpha-barrel	H: DNA-entry nuclease inhibitor	T: DNA-entry nuclease inhibitor	F: ComJ	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	2.60.34.30	Mainly Beta	Sandwich	Substrate Binding Domain Of DNAk	Chain A, domain 1	CATH (4.3.0)
C	2.60.34.30	Mainly Beta	Sandwich	Substrate Binding Domain Of DNAk	Chain A, domain 1	CATH (4.3.0)
B	2.60.34.30	Mainly Beta	Sandwich	Substrate Binding Domain Of DNAk	Chain A, domain 1	CATH (4.3.0)
A	2.60.34.30	Mainly Beta	Sandwich	Substrate Binding Domain Of DNAk	Chain A, domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF11033	Competence protein J (ComJ) (ComJ)	Competence protein J (ComJ)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	DNA-entry nuclease inhibitor	-	DNA-mediated transformation cellular response to stimulus horizontal gene transfer response to stimulus establishment of competence for transformation cellular process	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR020354	Competence, DNA-entry nuclease inhibitor, ComJ	Family
A, B, C, D	IPR038691	DNA-entry nuclease inhibitor, ComJ superfamily	Homologous Superfamily

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.