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Quickview   Gene   Gene Product(s)   Expression   Evolution   On One Page    
References Suggestions

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Standard Name

add

Gene Synonym(s)

ECK1618, b1623, JW1615[1]

Product Desc.

Adenosine deaminase; mutants affect growth on deoxyadenosine in purA, B mutants[2]

Product Synonyms(s)

adenosine deaminase[1], B1623[3][1], Add[3][1]

Function from GO

<GO_nr />

Knock-Out Phenotype
Regulation/Expression

transcription unit(s): add[3]

Regulation/Activity
Quick Links

PortEco search(add)    DNA display    Protein display    Pubmed(add)    Textpresso(add)

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Notes

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Adenosine deaminase is an enzyme involved in purine metabolism, which irreversibly deaminates both adenosine and deoxyadenosine to inosine and deoxyinosine. The optimal pH for this enzyme is around 7.5-8, but activity is irreversibly lost when pH is lower than 2.7 or higher than 9.5. Adenosine deaminase is sensitive to heavy metals, such as Ag+, Cu2+, and Cr3+, and reacts with them irreversibly (Koch, 1958). [4]

Complications in purine metabolism often result in various disorders in humans. Deficiencies amounts of adenosine deaminase result in diseases such as severe combined immunodeficiency disorder (SCID) and lymphopenia.

Binds TrxA (Kumar, 2004).[2]



References

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  1. ↑ 1.0 1.1 1.2 1.3 Riley, M. et al. (2006) Nucleic Acids Res 34:1-6 (corrected supplemental data from B. Wanner)
  2. ↑ 2.0 2.1 EcoGene: Rudd, KE (2000) EcoGene: a genome sequence database for Escherichia coli K-12. Nucleic Acids Res 28:60-4.
  3. ↑ 3.0 3.1 3.2 EcoCyc (release 10.6; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  4. ↑ KOCH, AL & VALLEE, G (1959) The properties of adenosine deaminase and adenosine nucleoside phosphorylase in extracts of Escherichia coli. J. Biol. Chem. 234 1213-8 PubMed