>4znbB (B:) SEQRES residues aqksvkisddisitqlsdkvytyvslaeiegwgmvpsngmivinnhqaalldtpindaqt etlvnwvadslhakvttfipnhwhgdcigglgylqkkgvqsyanqmtidlakekglpvpe hgftdsltvsldgmplqcyylggghatdnivvwlptenilfggsmlkdnqatsignisda dvtawpktldkvkakfpsaryvvpghgdyggteliehtkqivnqyiestskp