Annotations: 4ISS

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	GGACT_1	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: GGACT_1	ECOD (1.6)
A	Amidase	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: Amidase	ECOD (1.6)
B	GGACT_1	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: GGACT_1	ECOD (1.6)
B	Amidase	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: Amidase	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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)
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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01425	Amidase (Amidase)	Amidase	-	Family
A, B	PF21986	Allophanate hydrolase C-terminal domain (AH_C)	Allophanate hydrolase C-terminal domain	Allophanate hydrolase (AH) converts allophanate to ammonium and carbon dioxide. The AH structure is composed of N- and C-terminal domains. These domains catalyze sequential reactions: the N-terminal domain converts allophanate to N-carboxycarbamate, ...	Allophanate hydrolase (AH) converts allophanate to ammonium and carbon dioxide. The AH structure is composed of N- and C-terminal domains. These domains catalyze sequential reactions: the N-terminal domain converts allophanate to N-carboxycarbamate, whereas the C-terminal domain converts it to carbon dioxide and ammonium [2]. The C-terminal domain folds into alpha/beta structure in which some of the beta-strands form a barrel-like shape.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Allophanate Hydrolase	CoA carboxylase activity propionyl-CoA carboxylase activity ligase activity, forming carbon-carbon bonds catalytic activity ligase activity hydrolase activity binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding CoA carboxylase activity propionyl-CoA carboxylase activity ligase activity, forming carbon-carbon bonds catalytic activity ligase activity hydrolase activity 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 urea carboxylase activity ligase activity, forming carbon-nitrogen bonds methylcrotonoyl-CoA carboxylase activity cation binding metal ion binding	small molecule metabolic process metabolic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR014085	Allophanate hydrolase	Domain
A, B	IPR029000	Cyclophilin-like domain superfamily	Homologous Superfamily
A, B	IPR011764	Biotin carboxylation domain	Domain
A, B	IPR050856	Biotin-dependent Carboxylase Complex	Family
A, B	IPR014084	Urea carboxylase	Family
A, B	IPR003833	Carboxyltransferase domain, subdomain C and D	Domain
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
A, B	IPR036928	Amidase signature (AS) superfamily	Homologous Superfamily
A, B	IPR005481	Biotin carboxylase-like, N-terminal domain	Domain
A, B	IPR011761	ATP-grasp fold	Domain
A, B	IPR003778	Carboxyltransferase domain, subdomain A and B	Domain
A, B	IPR023631	Amidase signature domain	Domain
A, B	IPR005482	Biotin carboxylase, C-terminal	Domain
A, B	IPR005479	Carbamoyl-phosphate synthetase large subunit-like, ATP-binding domain	Domain
A, B	IPR016185	Pre-ATP-grasp 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 R01GM133198.