In article <37A74013.61AEDC92 at icr.ac.uk>,
Paraic Kenny <paraic at icr.ac.uk> writes:
> The "unBLASTable" part of the sequence is
>>> I have also checked it using a different BLAST server with the same
>> Can anybody explain why the server can't / won't accept this sequence?
It is filtered due to its low complexity. Removing the
filters as suggested by Andrew will "flood" your output with lot of
poly-prolines sequences, with no biological means nor informations.
You could try, once.