>4yc1B (B:) SEQRES residues mrgshhhhhhgmasmavsesqlkkmvskykyrdltvretvnvitlykdlkpvldsyvfnd gssrelmnltgtipvpyrgntynipiclwlldtypynppicfvkptssmtiktgkhvdan gkiylpylhewkhpqsdllgliqvmivvfgdeppvfsrp