Annotations: 3I4S

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	HIT	e3i4sB1	A: a+b three layers	X: HIT-like	H: HIT-related (From Topology)	T: HIT-related	F: HIT	ECOD (1.6)
A	HIT	e3i4sA1	A: a+b three layers	X: HIT-like	H: HIT-related (From Topology)	T: HIT-related	F: HIT	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.30.428.10	Alpha Beta	2-Layer Sandwich	HIT family, subunit A	HIT-like	CATH (4.3.0)
A	3.30.428.10	Alpha Beta	2-Layer Sandwich	HIT family, subunit A	HIT-like	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01230	HIT domain (HIT)	HIT domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	HISTIDINE TRIAD PROTEIN	catalytic activity	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036265	HIT-like superfamily	Homologous Superfamily
A, B	IPR011146	HIT-like 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.