2OST | pdb_00002ost

The structure of a bacterial homing endonuclease : I-Ssp6803I

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)
F [auth D]	SCOP2B Superfamily	Restriction endonuclease-like	8103670	3000104	SCOP2B (2022-06-29)
E [auth C]	SCOP2B Superfamily	Restriction endonuclease-like	8103670	3000104	SCOP2B (2022-06-29)
D [auth B]	SCOP2B Superfamily	Restriction endonuclease-like	8103670	3000104	SCOP2B (2022-06-29)
C [auth A]	SCOP2 Family	slr0915-like	8046833	4005320	SCOP2 (2022-06-29)
C [auth A]	SCOP2 Superfamily	Restriction endonuclease-like	8103670	3000104	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
F [auth D]	THUMP	e2ostD1	A: a/b three-layered sandwiches	X: Transmembrane heme-binding four-helical bundle	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: THUMP	ECOD (v294.1)
E [auth C]	THUMP	e2ostC1	A: a/b three-layered sandwiches	X: Transmembrane heme-binding four-helical bundle	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: THUMP	ECOD (v294.1)
D [auth B]	THUMP	e2ostB1	A: a/b three-layered sandwiches	X: Transmembrane heme-binding four-helical bundle	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: THUMP	ECOD (v294.1)
C [auth A]	THUMP	e2ostA1	A: a/b three-layered sandwiches	X: Transmembrane heme-binding four-helical bundle	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: THUMP	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
F [auth D]	3.40.1350.10	Alpha Beta	3-Layer(aba) Sandwich	Trna Endonuclease	Chain: A, domain 1	CATH (4.3.0)
E [auth C]	3.40.1350.10	Alpha Beta	3-Layer(aba) Sandwich	Trna Endonuclease	Chain: A, domain 1	CATH (4.3.0)
D [auth B]	3.40.1350.10	Alpha Beta	3-Layer(aba) Sandwich	Trna Endonuclease	Chain: A, domain 1	CATH (4.3.0)
C [auth A]	3.40.1350.10	Alpha Beta	3-Layer(aba) Sandwich	Trna Endonuclease	Chain: A, domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C [auth A], D [auth B], E [auth C], F [auth D]	PF11645	PD-(D/E)XK endonuclease (PDDEXK_5)	PD-(D/E)XK endonuclease	This family of endonucleases includes a group I intron-encoded endonuclease [1]. This family belongs to the PD-(D/E)XK superfamily [2-3].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth A], D [auth B], E [auth C], F [auth D]	Putative endonuclease	binding nucleic acid binding endonuclease activity nuclease activity catalytic activity, acting on a nucleic acid catalytic activity cation binding ion binding metal ion binding small molecule binding	-	-
B [auth Z]	Synthetic DNA 29 MER	-	-	-
A [auth Y]	Synthetic DNA 29 MER	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth A], D [auth B], E [auth C], F [auth D]	IPR021671	PD(D/E)XK endonuclease	Domain
C [auth A], D [auth B], E [auth C], F [auth D]	IPR011856	tRNA endonuclease-like domain superfamily	Homologous Superfamily

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.