>1a7tB (B:) SEQRES residues svkisddisitqlsdkvytyvslaeiegwgmvpsngmivinnhqaalldtpindaqteml vnwvtdslhakvttfipnhwhgdcigglgylqrkgvqsyanqmtidlakekglpvpehgf tdsltvsldgmplqcyylggghatdnivvwlptenilfggcmlkdnqttsignisdadvt awpktldkvkakfpsaryvvpghgnyggteliehtkqivnqyiests