Annotations: 6C62

An unexpected vestigial protein complex reveals the evolutionary origins of an s-triazine catabolic enzyme.

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Protein Modification Annotation

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Amidase signature (AS) enzymes	8082877	3001251	SCOP2B (2022-06-29)
A	SCOP2 Family	Amidase signature (AS) enzymes	8082876	4002446	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Amidase signature (AS) enzymes	8082877	3001251	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	AtzG-like	e6c62C1	A: alpha arrays	X: OB-fold	H: Nucleic acid-binding protein	T: Nucleotidyltransferase	F: AtzG-like	ECOD (v295.2)
D	Cadherin	e6c62D1	A: alpha arrays	X: fingers domain in bacteriophage RB69-like DNA polymerase I	H: fingers domain in bacteriophage RB69-like DNA polymerase I	T: fingers domain in bacteriophage RB69-like DNA polymerase I	F: Cadherin	ECOD (v295.2)
B	V-set	e6c62B1	A: alpha arrays	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: V-set	ECOD (v295.2)
A	CBAH	e6c62A1	A: alpha arrays	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: CBAH	ECOD (v295.2)

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)
A	3.90.1300.10	Alpha Beta	Alpha-Beta Complex	Amidase signature (AS) enzymes	Amidase signature (AS) domain	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C, D	AtzG	-	cellular response to stimulus catabolic process response to stimulus cellular response to xenobiotic stimulus polyamine metabolic process s-triazine compound catabolic process xenobiotic catabolic process biogenic amine catabolic process xenobiotic metabolic process response to xenobiotic stimulus amine metabolic process cellular response to chemical stimulus organohalogen metabolic process response to chemical atrazine catabolic process cellular response to stimulus catabolic process response to stimulus cellular response to xenobiotic stimulus polyamine metabolic process s-triazine compound catabolic process xenobiotic catabolic process biogenic amine catabolic process xenobiotic metabolic process response to xenobiotic stimulus amine metabolic process cellular response to chemical stimulus organohalogen metabolic process response to chemical atrazine catabolic process metabolic process cellular process polyamine catabolic process biogenic amine metabolic process amine catabolic process	-
A, B	Biuret hydrolase	hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides hydrolase activity catalytic activity biuret amidohydrolase activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds	cellular response to stimulus catabolic process response to stimulus cellular response to xenobiotic stimulus polyamine metabolic process s-triazine compound catabolic process xenobiotic catabolic process biogenic amine catabolic process xenobiotic metabolic process response to xenobiotic stimulus amine metabolic process cellular response to chemical stimulus organohalogen metabolic process response to chemical atrazine catabolic process cellular response to stimulus catabolic process response to stimulus cellular response to xenobiotic stimulus polyamine metabolic process s-triazine compound catabolic process xenobiotic catabolic process biogenic amine catabolic process xenobiotic metabolic process response to xenobiotic stimulus amine metabolic process cellular response to chemical stimulus organohalogen metabolic process response to chemical atrazine catabolic process metabolic process cellular process polyamine catabolic process biogenic amine metabolic process amine catabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C, D	IPR025148	1-carboxybiuret hydrolase subunit AtzG-like	Family
A, B	IPR036928	Amidase signature (AS) superfamily	Homologous Superfamily
A, B	IPR014087	1-carboxybiuret hydrolase, AtzE subunit	Family
A, B	IPR000120	Amidase	Family
A, B	IPR023631	Amidase signature domain	Domain

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, B	CSO	Parent Component: CYS : AA0205 : L-cysteine sulfenic acid MOD:00210

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.