>1gkcA (A:) SEQRES residues mfqtfegdlkwhhhnitywiqnysedlpraviddafarafalwsavtpltftrvysrdad iviqfgvaehgdgypfdgkdgllahafppgpgiqgdahfdddelwslgkgqgyslflvaa hefghalgldhssvpealmypmyrftegpplhkddvngirhly