Identification
Name:Cytosine permease
Synonyms:Not Available
Gene Name:codB
Enzyme Class:Not Available
Biological Properties
General Function:Involved in nucleobase transmembrane transporter activity
Specific Function:Required for cytosine transport into the cell
Cellular Location:Cell inner membrane; Multi-pass membrane protein
SMPDB Pathways:Not Available
KEGG Pathways:Not Available
Transports:
Transport References:
  • Orth, J. D., Conrad, T. M., Na, J., Lerman, J. A., Nam, H., Feist, A. M., Palsson, B. O. (2011). "A comprehensive genome-scale reconstruction of Escherichia coli metabolism--2011." Mol Syst Biol 7:535. Pubmed: 21988831
  • Uniprot Consortium (2012). "Reorganizing the protein space at the Universal Protein Resource (UniProt)." Nucleic Acids Res 40:D71-D75. Pubmed: 22102590
Metabolites:
ECMDB IDNameView
ECMDB00630CytosineMetaboCard
ECMDB21225Hydrogen ionMetaboCard
GO Classification:
Component
cell part
membrane
Function
nucleobase transmembrane transporter activity
nucleobase, nucleoside, nucleotide and nucleic acid transmembrane transporter activity
substrate-specific transmembrane transporter activity
transmembrane transporter activity
transporter activity
Process
establishment of localization
nucleobase, nucleoside, nucleotide and nucleic acid transport
transmembrane transport
transport
Gene Properties
Blattner:b0336
Gene OrientationClockwise
Centisome Percentage:7.63
Left Sequence End354146
Right Sequence End355405
Gene Sequence:
>1260 bp
GTGTCGCAAGATAACAACTTTAGCCAGGGGCCAGTCCCGCAGTCGGCGCGGAAAGGGGTA
TTGGCATTGACGTTCGTCATGCTGGGATTAACCTTCTTTTCCGCCAGTATGTGGACCGGC
GGCACTCTCGGAACCGGTCTTAGCTATCATGATTTCTTCCTCGCAGTTCTCATCGGTAAT
CTTCTCCTCGGTATTTACACTTCATTTCTCGGTTACATTGGCGCAAAAACCGGCCTGACC
ACTCATCTTCTTGCTCGCTTCTCGTTTGGTGTTAAAGGCTCATGGCTGCCTTCACTGCTA
CTGGGCGGAACTCAGGTTGGCTGGTTTGGCGTCGGTGTGGCGATGTTTGCCATTCCGGTG
GGTAAGGCAACCGGGCTGGATATTAATTTGCTGATTGCCGTTTCCGGTTTACTGATGACC
GTCACCGTCTTTTTTGGCATTTCGGCGCTGACGGTTCTTTCGGTGATTGCGGTTCCGGCT
ATCGCCTGCCTGGGCGGTTATTCCGTGTGGCTGGCTGTTAACGGCATGGGCGGCCTGGAC
GCATTAAAAGCGGTCGTTCCCGCACAACCGTTAGATTTCAATGTCGCGCTGGCGCTGGTT
GTGGGGTCATTTATCAGTGCGGGTACGCTCACCGCTGACTTTGTCCGGTTTGGTCGCAAT
GCCAAACTGGCGGTGCTGGTGGCGATGGTGGCCTTTTTCCTCGGCAACTCGTTGATGTTT
ATTTTCGGTGCAGCGGGCGCTGCGGCACTGGGCATGGCGGATATCTCTGATGTGATGATT
GCTCAGGGCCTGCTGCTGCCTGCGATTGTGGTGCTGGGGCTGAATATCTGGACCACCAAC
GATAACGCACTCTATGCGTCGGGTTTAGGTTTCGCCAACATTACCGGGATGTCGAGCAAA
ACCCTTTCGGTAATCAACGGTATTATCGGTACGGTCTGCGCATTATGGCTGTATAACAAT
TTTGTCGGCTGGTTGACCTTCCTTTCGGCAGCTATTCCTCCAGTGGGTGGCGTGATCATC
GCCGACTATCTGATGAACCGTCGCCGCTATGAGCACTTTGCGACCACGCGTATGATGAGT
GTCAATTGGGTGGCGATTCTGGCGGTCGCCTTGGGGATTGCTGCAGGCCACTGGTTACCG
GGAATTGTTCCGGTCAACGCGGTATTAGGTGGCGCGCTGAGCTATCTGATCCTTAACCCG
ATTTTGAATCGTAAAACGACAGCAGCAATGACGCATGTGGAGGCTAACAGTGTCGAATAA
Protein Properties
Pfam Domain Function:
Protein Residues:419
Protein Molecular Weight:43649
Protein Theoretical pI:9
Signaling Regions:
  • None
Transmembrane Regions:
  • 20-39
  • 52-71
  • 101-120
  • 128-147
  • 153-172
  • 193-212
  • 222-242
  • 258-277
  • 301-320
  • 322-341
  • 359-378
  • 381-400
Protein Sequence:
>Cytosine permease
MSQDNNFSQGPVPQSARKGVLALTFVMLGLTFFSASMWTGGTLGTGLSYHDFFLAVLIGN
LLLGIYTSFLGYIGAKTGLTTHLLARFSFGVKGSWLPSLLLGGTQVGWFGVGVAMFAIPV
GKATGLDINLLIAVSGLLMTVTVFFGISALTVLSVIAVPAIACLGGYSVWLAVNGMGGLD
ALKAVVPAQPLDFNVALALVVGSFISAGTLTADFVRFGRNAKLAVLVAMVAFFLGNSLMF
IFGAAGAAALGMADISDVMIAQGLLLPAIVVLGLNIWTTNDNALYASGLGFANITGMSSK
TLSVINGIIGTVCALWLYNNFVGWLTFLSAAIPPVGGVIIADYLMNRRRYEHFATTRMMS
VNWVAILAVALGIAAGHWLPGIVPVNAVLGGALSYLILNPILNRKTTAAMTHVEANSVE
References
External Links:
ResourceLink
Uniprot ID:P0AA82
Uniprot Name:CODB_ECOLI
GenBank Gene ID:AP009048
Genebank Protein ID:85674478
Ecogene ID:EG11327
Ecocyc:EG11327
ColiBase:b0336
Kegg Gene:b0336
EchoBASE ID:EB1303
CCDB:CODB_ECOLI
BacMap:16128321
General Reference:
  • Blattner, F. R., Plunkett, G. 3rd, Bloch, C. A., Perna, N. T., Burland, V., Riley, M., Collado-Vides, J., Glasner, J. D., Rode, C. K., Mayhew, G. F., Gregor, J., Davis, N. W., Kirkpatrick, H. A., Goeden, M. A., Rose, D. J., Mau, B., Shao, Y. (1997). "The complete genome sequence of Escherichia coli K-12." Science 277:1453-1462. Pubmed: 9278503
  • Daley, D. O., Rapp, M., Granseth, E., Melen, K., Drew, D., von Heijne, G. (2005). "Global topology analysis of the Escherichia coli inner membrane proteome." Science 308:1321-1323. Pubmed: 15919996
  • Danielsen, S., Kilstrup, M., Barilla, K., Jochimsen, B., Neuhard, J. (1992). "Characterization of the Escherichia coli codBA operon encoding cytosine permease and cytosine deaminase." Mol Microbiol 6:1335-1344. Pubmed: 1640834
  • Hayashi, K., Morooka, N., Yamamoto, Y., Fujita, K., Isono, K., Choi, S., Ohtsubo, E., Baba, T., Wanner, B. L., Mori, H., Horiuchi, T. (2006). "Highly accurate genome sequences of Escherichia coli K-12 strains MG1655 and W3110." Mol Syst Biol 2:2006.0007. Pubmed: 16738553