>2znbB (B:) SEQRES residues aqksvkisddisitqlsdkvytyvslaeiegwgmvpsngmivinnhqaalldtpindaqt etlvnwvadslhakvttfipnhwhgdcigglgylqkkgvqsyanqmtidlakekglpvpe hgftdsltvsldgmplqcyylggghatdnivvwlptenilfggcmlkdnqatsignisda dvtawpktldkvkakfpsaryvvpghgdyggteliehtkqivnqyiestskp