Annotations: 6IFM

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
H [auth D]	Cytochrome_C554	e6ifmD1	A: alpha bundles	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Cytochrome_C554	ECOD (develop294)
G [auth H]	Cytochrome_C554	e6ifmH1	A: alpha bundles	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Cytochrome_C554	ECOD (develop294)
E [auth B]	Dyp_perox_N	e6ifmB1	A: alpha bundles	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Dyp_perox_N	ECOD (develop294)
D [auth G]	Cytochrome_C554	e6ifmG1	A: alpha bundles	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Cytochrome_C554	ECOD (develop294)
C	Cytochrome_C554	e6ifmC1	A: alpha bundles	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Cytochrome_C554	ECOD (develop294)
B [auth E]	Cytochrome_C554	e6ifmE1	A: alpha bundles	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Cytochrome_C554	ECOD (develop294)
A	Cytochrome_C554	e6ifmA1	A: alpha bundles	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Cytochrome_C554	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
F	2.10.260.10	Mainly Beta	Ribbon	Pemi-like Protein 1	Chain: D	CATH (utative)
E [auth B]	2.10.260.10	Mainly Beta	Ribbon	Pemi-like Protein 1	Chain: D	CATH (utative)
D [auth G]	3.40.50.1010	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	5'-nuclease	CATH (utative)
C	3.40.50.1010	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	5'-nuclease	CATH (utative)
B [auth E]	3.40.50.1010	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	5'-nuclease	CATH (utative)
A	3.40.50.1010	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	5'-nuclease	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B [auth E], C, D [auth G]	PF01850	PIN domain (PIN)	PIN domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
J [auth N]	DNA backward (27-MER)	-	-	-
I [auth M]	DNA forward (27-MER)	-	-	-
E [auth B], F, G [auth H], H [auth D]	Antitoxin VapB	DNA binding binding nucleic acid binding	-	-
A, B [auth E], C, D [auth G]	tRNA(fMet)-specific endonuclease VapC	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding endonuclease activity nuclease activity catalytic activity, acting on RNA RNA endonuclease activity catalytic activity, acting on a nucleic acid RNA nuclease activity catalytic activity hydrolase activity	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
E [auth B], F, G [auth H], H [auth D]	IPR051734	Type II toxin-antitoxin VapB antitoxins	Family
E [auth B], F, G [auth H], H [auth D]	IPR047976	Antitoxin VapB2-like	Family
E [auth B], F, G [auth H], H [auth D]	IPR037914	SpoVT-AbrB domain superfamily	Homologous Superfamily
E [auth B], F, G [auth H], H [auth D]	IPR007159	SpoVT-AbrB domain	Domain
A, B [auth E], C, D [auth G]	IPR002716	PIN domain	Domain
A, B [auth E], C, D [auth G]	IPR029060	PIN-like domain superfamily	Homologous Superfamily
A, B [auth E], C, D [auth G]	IPR022907	VapC family	Family
A, B [auth E], C, D [auth G]	IPR050556	Type II toxin-antitoxin system RNase	Family

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.