Annotations: 4C26

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	HicA_toxin	e4c26A1	A: a+b two layers	X: dsRBD-like	H: PI-Pfui intein middle domain (From Topology)	T: PI-Pfui intein middle domain	F: HicA_toxin	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.920.30	Alpha Beta	2-Layer Sandwich	Metal Transport, Frataxin	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF07927	HicA toxin of bacterial toxin-antitoxin, (HicA_toxin)	HicA toxin of bacterial toxin-antitoxin,	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	HICA	hydrolase activity catalytic activity RNA binding binding organic cyclic compound binding nucleic acid binding mRNA binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR012933	HicA mRNA interferase family	Family
A	IPR038570	HicA superfamily	Homologous Superfamily

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.