How many exonucleases have been discovered?

Mazda Hewitt Mazda.Hewitt at
Mon Feb 17 06:20:34 EST 1997

Many more than that,  there are 248 references to exonuclease in
genbank, hee are some examples..

 1) [SCU86134] Saccharomyces cerevisiae exonuclease 1 (EXO1) gene,
complete cds. 

 2) [HEHSV1EX] HSV-1 (strain 17) gene for exonuclease (0.16 to 0.20

3) [ECOXSEA] E.coli xseA gene coding for the large subunit of

VII.  5) [HS1EXO] HSV1 (KOS) alkaline exonuclease gene, 0.175-0.160 map

etc, though I doubt that thee are more than 100 different exonucleases
known as many of these references are for the same enzyme eg different

Mazda Hewitt

ps don't cross post to so many newsgroups..

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