>2nwsB (B:) SEQRES residues mekflviagpnaieseelllkvgeeikrlsekfkevefvfkssfdkanrssihsfrghgl eygvkalrkvkeefglkittdiheswqaepvaevadiiqipaflcrqtdlllaaaktgra vnvkkgqflapwdtknvveklkfggakeiyltergttfgynnlvvdfrslpimkqwakvi ydathsvqlpgglgdksggmrefifpliraavavgcdgvfmethpepekalsdastqlpl sqlegiieaileirevaskyyetipvk