Annotations: 2G6V

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2g6va2	Alpha and beta proteins (a/b)	Dihydrofolate reductase-like	Dihydrofolate reductase-like	automated matches	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d2g6va1	Alpha and beta proteins (a/b)	Cytidine deaminase-like	Cytidine deaminase-like	automated matches	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d2g6va3	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d2g6vb2	Alpha and beta proteins (a/b)	Dihydrofolate reductase-like	Dihydrofolate reductase-like	automated matches	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d2g6vb1	Alpha and beta proteins (a/b)	Cytidine deaminase-like	Cytidine deaminase-like	automated matches	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d2g6vb3	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Escherichia coli ) [TaxId: 562 ],	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	dCMP_cyt_deam_1	e2g6vA2	A: a+b three layers	X: Cytidine deaminase-like (From Topology)	H: Cytidine deaminase-like (From Topology)	T: Cytidine deaminase-like	F: dCMP_cyt_deam_1	ECOD (1.6)
A	RibD_C	e2g6vA1	A: a/b three-layered sandwiches	X: Dihydrofolate reductases (From Topology)	H: Dihydrofolate reductases (From Topology)	T: Dihydrofolate reductases	F: RibD_C	ECOD (1.6)
B	dCMP_cyt_deam_1	e2g6vB3	A: a+b three layers	X: Cytidine deaminase-like (From Topology)	H: Cytidine deaminase-like (From Topology)	T: Cytidine deaminase-like	F: dCMP_cyt_deam_1	ECOD (1.6)
B	RibD_C	e2g6vB4	A: a/b three-layered sandwiches	X: Dihydrofolate reductases (From Topology)	H: Dihydrofolate reductases (From Topology)	T: Dihydrofolate reductases	F: RibD_C	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)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Riboflavin biosynthesis protein ribD	binding nucleoside phosphate binding purine nucleotide binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding NADP binding small molecule 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 binding nucleoside phosphate binding purine nucleotide binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding NADP binding small molecule 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 cation binding transition metal ion binding zinc ion binding ion binding metal ion binding	water-soluble vitamin biosynthetic process small molecule biosynthetic process flavin-containing compound metabolic process vitamin biosynthetic process riboflavin biosynthetic process vitamin metabolic process flavin-containing compound biosynthetic process biosynthetic process metabolic process cellular process small molecule metabolic process riboflavin metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR050765	Riboflavin Biosynthesis HTP Reductase	Family
A, B	IPR016193	Cytidine deaminase-like	Homologous Superfamily
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

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.