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Guanosine deaminase

UniProtKB accession:  Q94BU8
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Go to UniProtKB:  Q94BU8
UniProtKB description:  Catalyzes the hydrolytic deamination of guanosine, producing xanthosine and ammonia. Deaminates exclusively guanosine and 2'-deoxyguanosine but no other aminated purines, pyrimidines, or pterines. Deamination of guanosine by GSDA is the only source of xanthosine production in Arabidopsis.
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