>2z37B (B:) SEQRES residues
dlsgiisrdqfykmlkhmndndchavgfftydafitaaksfpsfgntgdlamrkkeiaaf
fgqtshettggwsgapdgantwgycykeeidksdphcdsnnlewpcapgkfyygrgpmml
swnynygpcgrdlglellknpdvassdpviafktaiwfwmtpqapkpschdvitdqweps
aadisagrlpgygvitniingglecagrdvakvqdrisfytrycgmfgvdpgsnidcdnq
rpfn