>4q2fB (B:) SEQRES residues gmacglvasnlnlkpgeclrvrgevapdaksfvlnlgkdsnnlclhfnprfnahgdanti vcnskdggawgteqreavfpfqpgsvaevcitfdqanltvklpdgyefkfpnrlnleain ymaadgdfkikcvafd