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dna - (Nov/14/2003 )

hi i posted a some questions last month but never got a reply?
they were
what is the restriction endonuclease produced by Xenobacterium gigantus.?
Chemical analysis of viral DNA isolated in a laboratory, indicates the following composition 35% adenine: 20% thymine: 12% guanine and 33% cytosine. what does this imply about the structure of the viral DNA.

-imran shah-

question 1:
try this link, you can search on many criteria of known restiction enzymes (also organism) :

question 2:
maybe virus with single stranded DNA.......