def get_acs_for_protein_seq(self, seq):
md5 = seq_md5(seq)<EOL>return [r['<STR_LIT>'] for r in self._fetchall(self._queries['<STR_LIT>'], [md5])<EOL>] + ['<STR_LIT>' + md5]<EOL>
returns a list of protein accessions for a given sequence.  The
list is guaranteed to contain at least one element with the
MD5-based accession (MD5_01234abc...def56789) at the end of the
list.