where.is.this.acc: Scans databases for a given sequence accession number
This function loops over all availabale ACNUC databases to look for
a given sequence accession number. This is useful when you have
a sequence accession number and you don't know in which database
it is present.
where.is.this.acc(acc, stopAtFirst = TRUE, ...)
The function resturns invisibly a vector of strings of characters for the names of the ACNUC
databases in which the accession number was found.
An accession number as a string of characters such as "NC_001416".
Logical. If TRUE, the default, the function stops at the first
database where the accession number is found.