Annotations: 3ZPC

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3zpca2	Alpha and beta proteins (a/b)	Dihydrofolate reductase-like	Dihydrofolate reductase-like	automated matches	automated matches	(Acinetobacter baumannii ) [TaxId: 470 ],	SCOPe (2.08)
A	d3zpca1	Alpha and beta proteins (a/b)	Cytidine deaminase-like	Cytidine deaminase-like	automated matches	automated matches	(Acinetobacter baumannii ) [TaxId: 470 ],	SCOPe (2.08)
B	d3zpcb2	Alpha and beta proteins (a/b)	Dihydrofolate reductase-like	Dihydrofolate reductase-like	automated matches	automated matches	(Acinetobacter baumannii ) [TaxId: 470 ],	SCOPe (2.08)
B	d3zpcb1	Alpha and beta proteins (a/b)	Cytidine deaminase-like	Cytidine deaminase-like	automated matches	automated matches	(Acinetobacter baumannii ) [TaxId: 470 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF00383	e3zpcA2	A: a+b three layers	X: Cytidine deaminase-like (From Topology)	H: Cytidine deaminase-like (From Topology)	T: Cytidine deaminase-like	F: PF00383	ECOD (1.6)
A	PF01872	e3zpcA1	A: a/b three-layered sandwiches	X: Dihydrofolate reductases (From Topology)	H: Dihydrofolate reductases (From Topology)	T: Dihydrofolate reductases	F: PF01872	ECOD (1.6)
B	PF00383	e3zpcB3	A: a+b three layers	X: Cytidine deaminase-like (From Topology)	H: Cytidine deaminase-like (From Topology)	T: Cytidine deaminase-like	F: PF00383	ECOD (1.6)
B	PF01872	e3zpcB4	A: a/b three-layered sandwiches	X: Dihydrofolate reductases (From Topology)	H: Dihydrofolate reductases (From Topology)	T: Dihydrofolate reductases	F: PF01872	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.140.10	Alpha Beta	3-Layer(aba) Sandwich	Cytidine Deaminase	domain 2	CATH (4.3.0)
A	3.40.430.10	Alpha Beta	3-Layer(aba) Sandwich	Dihydrofolate Reductase, subunit A	Dihydrofolate Reductase, subunit A	CATH (4.3.0)
B	3.40.140.10	Alpha Beta	3-Layer(aba) Sandwich	Cytidine Deaminase	domain 2	CATH (4.3.0)
B	3.40.430.10	Alpha Beta	3-Layer(aba) Sandwich	Dihydrofolate Reductase, subunit A	Dihydrofolate Reductase, subunit A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00383	Cytidine and deoxycytidylate deaminase zinc-binding region (dCMP_cyt_deam_1)	Cytidine and deoxycytidylate deaminase zinc-binding region	-	Domain
A, B	PF01872	RibD C-terminal domain (RibD_C)	RibD C-terminal domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	RIBOFLAVIN BIOSYNTHESIS PROTEIN RIBD	hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in cyclic amidines hydrolase activity catalytic activity deaminase activity diaminohydroxyphosphoribosylaminopyrimidine deaminase activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds 5-amino-6-(5-phosphoribosylamino)uracil reductase activity oxidoreductase activity oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor oxidoreductase activity, acting on CH-OH group of donors binding nucleoside phosphate binding purine nucleotide binding organic cyclic compound binding hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in cyclic amidines hydrolase activity catalytic activity deaminase activity diaminohydroxyphosphoribosylaminopyrimidine deaminase activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds 5-amino-6-(5-phosphoribosylamino)uracil reductase activity oxidoreductase activity oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor oxidoreductase activity, acting on CH-OH group of donors binding nucleoside phosphate binding purine nucleotide binding organic cyclic compound binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding NADP binding small molecule binding cation binding transition metal ion binding zinc ion binding ion binding metal ion binding	organonitrogen compound metabolic process water-soluble vitamin biosynthetic process small molecule biosynthetic process cellular biosynthetic process flavin-containing compound metabolic process cellular metabolic process organonitrogen compound biosynthetic process vitamin biosynthetic process riboflavin biosynthetic process vitamin metabolic process organic cyclic compound metabolic process flavin-containing compound biosynthetic process organic substance metabolic process biosynthetic process organic cyclic compound biosynthetic process organonitrogen compound metabolic process water-soluble vitamin biosynthetic process small molecule biosynthetic process cellular biosynthetic process flavin-containing compound metabolic process cellular metabolic process organonitrogen compound biosynthetic process vitamin biosynthetic process riboflavin biosynthetic process vitamin metabolic process organic cyclic compound metabolic process flavin-containing compound biosynthetic process organic substance metabolic process biosynthetic process organic cyclic compound biosynthetic process organic substance biosynthetic process metabolic process small molecule metabolic process cellular process water-soluble vitamin metabolic process riboflavin metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR024072	Dihydrofolate reductase-like domain superfamily	Homologous Superfamily
A, B	IPR011549	Riboflavin-specific deaminase, C-terminal	Domain
A, B	IPR004794	Riboflavin biosynthesis protein RibD	Family
A, B	IPR002125	Cytidine and deoxycytidylate deaminase domain	Domain
A, B	IPR002734	Bacterial bifunctional deaminase-reductase, C-terminal	Domain
A, B	IPR016192	APOBEC/CMP deaminase, zinc-binding	Binding Site
A, B	IPR016193	Cytidine deaminase-like	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.