B1LKP0 (CDD_ECOSM) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Cytidine deaminase
EC=3.5.4.5

Alternative name(s):
Cytidine aminohydrolase
Short name=CDA

Gene names

Name:	cdd
Ordered Locus Names:	EcSMS35_2290

Organism

Escherichia coli (strain SMS-3-5 / SECEC) [Complete proteome] [HAMAP]

Taxonomic identifier

439855 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Escherichia

Protein attributes

Sequence length	294 AA.
Sequence status	Complete.
Protein existence	Inferred from homology

General annotation (Comments)

Function	This enzyme scavenge exogenous and endogenous cytidine and 2'-deoxycytidine for UMP synthesis By similarity. HAMAP MF_01558
Catalytic activity	Cytidine + H2O = uridine + NH3. HAMAP MF_01558
Cofactor	Binds 1 zinc ion By similarity. HAMAP MF_01558
Subunit structure	Homodimer By similarity. HAMAP MF_01558
Sequence similarities	Belongs to the cytidine and deoxycytidylate deaminase family.

Ontologies

Keywords
Ligand	Metal-binding Zinc
Molecular function	Hydrolase
Technical term	Complete proteome
Gene Ontology (GO)
Molecular function	cytidine deaminase activity Inferred from electronic annotation. Source: EC zinc ion binding Inferred from electronic annotation. Source: InterPro
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 294	294	Cytidine deaminase HAMAP MF_01558		PRO_1000147102
Regions
	Region	89 – 91	3	Substrate binding By similarity
Sites
	Active site	104	1	Proton donor By similarity
	Metal binding	102	1	Zinc; catalytic By similarity
	Metal binding	129	1	Zinc; catalytic By similarity
	Metal binding	132	1	Zinc; catalytic By similarity

Sequences

	Sequence		Length	Mass (Da)
	B1LKP0 [UniParc]. Last modified April 29, 2008. Version 1. Checksum: F0B5CD68AB145D7D	FASTA	294	31,540
	10 20 30 40 50 60 MHPRFQTAFA QLADNLQSAL EPILADKYFP ALLTGEQVSS LKSATGLDED ALAFALLPLA 70 80 90 100 110 120 AACARTPLSN FNVGAIARGV SGTWYFGANM EFIGATMQQT VHAEQSAISH AWLSGEKALA 130 140 150 160 170 180 AITVNYTPCG HCRQFMNELN SGLDLRIHLP GREAHALRDY LPDAFGPKDL EIKTLLMDEQ 190 200 210 220 230 240 DHGYALTGDA LSQAAIAAAN RSHMPYSKSP SGVALECKDG RIFSGSYAEN AAFNPTLPPL 250 260 270 280 290 QGALILLNLK GYDYPDIQRA VLAEKADAPL IQWDATSATL KALGCHSIDR VLLA

References

[1]

"Insights into the environmental resistance gene pool from the genome sequence of the multidrug-resistant environmental isolate Escherichia coli SMS-3-5." Fricke W.F., Wright M.S., Lindell A.H., Harkins D.M., Baker-Austin C., Ravel J., Stepanauskas R. J. Bacteriol. 190:6779-6794(2008) [PubMed: 18708504] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: SMS-3-5 / SECEC.

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000970 Genomic DNA. Translation: ACB16248.1.
RefSeq	YP_001744337.1. NC_010498.1.
3D structure databases
ProteinModelPortal	B1LKP0.
SMR	B1LKP0. Positions 1-294.
ModBase	Search...
Protein-protein interaction databases
STRING	B1LKP0.
Proteomic databases
PRIDE	B1LKP0.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
EnsemblBacteria	EBESCT00000064268; EBESCP00000061910; EBESCG00000063315.
GeneID	6143970.
GenomeReviews	Gene locus EcSMS35_2290 in contig CP000970_GR.
KEGG	ecm:EcSMS35_2290.
PATRIC	18433480. VBIEscCol6161_2457.
Organism-specific databases
CMR	Search...
Phylogenomic databases
GeneTree	EBGT00050000010652.
HOGENOM	HBG591160.
OMA	NRSHAPY.
ProtClustDB	PRK09027.
Enzyme and pathway databases
BioCyc	ECOL439855:ECSMS35_2290-MONOMER.
Family and domain databases
HAMAP	MF_01558. Cyt_deam. [Tree]
InterPro	IPR016192. APOBEC/CMP_deaminase_Zn-bd. IPR002125. CMP_dCMP_Zn-bd. IPR013171. Cyd/dCyd_deaminase_Zn-bd. IPR006263. Cyt_deam_dimer. IPR016193. Cytidine_deaminase-like. IPR020797. Cytidine_deaminase_bacteria. [Graphical view]
KO	K01489.
PANTHER	PTHR11644:SF12. PTHR11644:SF12. 1 hit.
Pfam	PF00383. dCMP_cyt_deam_1. 1 hit. PF08211. dCMP_cyt_deam_2. 1 hit. [Graphical view]
PIRSF	PIRSF006334. Cdd_plus_pseudo. 1 hit.
SUPFAM	SSF53927. Cytidine_deaminase-like. 2 hits.
TIGRFAMs	TIGR01355. Cyt_deam_dimer. 1 hit.
PROSITE	PS00903. CYT_DCMP_DEAMINASES. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

CDD_ECOSM

Accession

Primary (citable) accession number: B1LKP0

Entry history

Integrated into UniProtKB/Swiss-Prot:	April 14, 2009
Last sequence update:	April 29, 2008
Last modified:	January 25, 2012
This is version 32 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program