Annotations: 4ISS

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	PF21986	e4issB2	A: a+b two layers	X: BtrG-like (Pfam 03674) (From Topology)	H: BtrG-like (Pfam 03674) (From Topology)	T: BtrG-like (Pfam 03674)	F: PF21986	ECOD (1.6)
B	PF01425	e4issB1	A: a/b three-layered sandwiches	X: Amidase signature (AS) enzymes (From Topology)	H: Amidase signature (AS) enzymes (From Topology)	T: Amidase signature (AS) enzymes	F: PF01425	ECOD (1.6)
A	PF21986	e4issA2	A: a+b two layers	X: BtrG-like (Pfam 03674) (From Topology)	H: BtrG-like (Pfam 03674) (From Topology)	T: BtrG-like (Pfam 03674)	F: PF21986	ECOD (1.6)
A	PF01425	e4issA1	A: a/b three-layered sandwiches	X: Amidase signature (AS) enzymes (From Topology)	H: Amidase signature (AS) enzymes (From Topology)	T: Amidase signature (AS) enzymes	F: PF01425	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.90.1300.10	Alpha Beta	Alpha-Beta Complex	Amidase signature (AS) enzymes	Amidase signature (AS) domain	CATH (4.3.0)
B	1.20.58.1700	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
B	3.10.490.10	Alpha Beta	Roll	Hypothetical upf0131 protein ytfp	Gamma-glutamyl cyclotransferase-like	CATH (4.3.0)
A	3.90.1300.10	Alpha Beta	Alpha-Beta Complex	Amidase signature (AS) enzymes	Amidase signature (AS) domain	CATH (4.3.0)
A	1.20.58.1700	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
A	3.10.490.10	Alpha Beta	Roll	Hypothetical upf0131 protein ytfp	Gamma-glutamyl cyclotransferase-like	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01425	Amidase (Amidase)	Amidase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Allophanate Hydrolase	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding hydrolase activity catalytic activity ligase activity cation binding metal ion binding	small molecule metabolic process metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036928	Amidase signature (AS) superfamily	Homologous Superfamily
A, B	IPR005481	Biotin carboxylase-like, N-terminal domain	Domain
A, B	IPR014085	Allophanate hydrolase	Domain
A, B	IPR011761	ATP-grasp fold	Domain
A, B	IPR003778	Carboxyltransferase domain, subdomain A and B	Domain
A, B	IPR029000	Cyclophilin-like domain superfamily	Homologous Superfamily
A, B	IPR011764	Biotin carboxylation domain	Domain
A, B	IPR023631	Amidase signature domain	Domain
A, B	IPR014084	Urea carboxylase	Family
A, B	IPR005482	Biotin carboxylase, C-terminal	Domain
A, B	IPR005479	Carbamoyl-phosphate synthetase large subunit-like, ATP-binding domain	Domain
A, B	IPR003833	Carboxyltransferase domain, subdomain C and D	Domain
A, B	IPR016185	Pre-ATP-grasp domain superfamily	Homologous Superfamily
A, B	IPR011054	Rudiment single hybrid motif	Homologous Superfamily
A, B	IPR011053	Single hybrid motif	Homologous Superfamily
A, B	IPR001882	Biotin-binding site	Binding Site
A, B	IPR000089	Biotin/lipoyl attachment	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 R01GM133198.