>4gk1B (B:) SEQRES residues
sgfvcntcpekwinfqrkcyyfgkgtkqwvharyacddmegqlvsihspeeqdfltkhas
htgswiglrnldlkgefiwvdgshvdysnwapgeptsrsqgedcvmmrgsgrwnaafcdr
klgawvcdrlatctppasegsae