Annotations: 2I8L

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	HycI	e2i8lA1	A: a/b three-layered sandwiches	X: Phosphorylase/hydrolase-like	H: Peptidyl-tRNA hydrolase-like (From Topology)	T: Peptidyl-tRNA hydrolase-like	F: HycI	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.1450	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	HybD-like	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01750	Hydrogenase maturation protease (HycI)	Hydrogenase maturation protease	The family consists of hydrogenase maturation proteases. In E. coli HypI the hydrogenase maturation protease is involved in processing of HypE the large subunit of hydrogenases 3, by cleavage of its C-terminal [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Hydrogenase 3 maturation protease	aspartic-type peptidase activity peptidase activity catalytic activity, acting on a protein hydrolase activity aspartic-type endopeptidase activity catalytic activity endopeptidase activity enzyme regulator activity enzyme activator activity molecular function activator activity molecular function regulator activity cation binding ion binding binding aspartic-type peptidase activity peptidase activity catalytic activity, acting on a protein hydrolase activity aspartic-type endopeptidase activity catalytic activity endopeptidase activity enzyme regulator activity enzyme activator activity molecular function activator activity molecular function regulator activity cation binding ion binding binding metal ion binding small molecule binding	primary metabolic process gene expression macromolecule biosynthetic process protein maturation biosynthetic process proteolysis protein processing metabolic process cellular process protein metabolic process macromolecule metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR004420	Peptidase A31, hydrogenase maturation protease HycI	Family
A	IPR000671	Peptidase A31 family	Family
A	IPR023430	Peptidase HybD-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.