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Ligands
Code Name Style Show Link
FE Fe (III) ion
FPY (4s)-5-fluoro-4-hydroxy-3,4-dihydropyrimidin-2(1h)-one
GOL Glycerol
Non-standard Residues
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Glycosylation
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Code : 1RA5   PDBj   RCSB PDB   PDBe
Header : HYDROLASE
Title : Bacterial cytosine deaminase D314A mutant bound to 5-fluoro-4-(S)-hydroxyl-3,4-dihydropyrimidine.
Release Data : 2004-10-05
Compound :
mol_id molecule chains synonym
1 Cytosine deaminase A Cytosine aminohydrolase
ec: 3.5.4.1
mutation: D314A
Source :
mol_id organism_scientific expression_system
1 Escherichia coli  (taxid:562) Escherichia coli  (taxid:562)
gene: CODA, B0337
expression_system_strain: BL21 (DE3)-RIL
expression_system_vector_type: plasmid
expression_system_plasmid: pET15b
Authors : Mahan, S.D., Ireton, G.C., Stoddard, B.L., Black, M.E.
Keywords : CYTOSINE DEAMINASE, ALPHA-BETA BARREL, HEXAMER, CONFORMATIONAL CHANGE, D314A mutant, HYDROLASE
Exp. method : X-RAY DIFFRACTION ( 1.40 Å )
Citation :

Random mutagenesis and selection of Escherichia coli cytosine deaminase for cancer gene therapy.

Mahan, S.D.,Ireton, G.C.,Knoeber, C.  et al.
(2004)  Protein Eng.Des.Sel.  17 : 625 - 633

PubMed: 15381761
DOI: 10.1093/protein/gzh074

Chain : A
UniProt : P25524 (CODA_ECOLI)
Reaction: EC: Evidence:
Physiological Direction:
cytosine + H(+) + H2O = NH4(+) + uracil 3.5.4.1 PubMed:15381761, PubMed:21545144, PubMed:21604715, PubMed:8226944
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H(+) + H2O + isoguanine = NH4(+) + xanthine - PubMed:21604715
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