>6xymB (B:) SEQRES residues qvqlqesggglvqaggslrlscaasggtfksggmawfrqadtnndgwiegdelkarefaa giswsggstdyedsvkgrftisrdnakntmylqmnslkpedtavyycaaarrfragvvtr addvdywgkgtqvtvsshhhhhh