Annotations: 1O3U

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1o3ua1	All alpha proteins	Four-helical up-and-down bundle	Nucleotidyltransferase substrate binding subunit/domain	HEPN domain	Hypothetical protein TM0613	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)
A	d1o3ua2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	HEPN domain	8021480	4003712	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	HEPN domain-like	8033860	3000904	SCOP2 (2022-06-29)

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	HEPN	e1o3uA1	A: alpha bundles	X: Four-helical up-and-down bundle	H: HEPN	T: Nucleotidyltransferase substrate binding subunit/domain	F: HEPN	ECOD (v294.2)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.120.330	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Nucleotidyltransferases domain 2	CATH (4.3.0)

Chains	Accession	Name	Description	Comments	Source
A	PF05168	HEPN domain (HEPN)	HEPN domain	-	Family

Chains	Accession	Name	Type
A	IPR007842	HEPN domain	Domain

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.

1O3U | pdb_00001o3u