>1tbwB (B:) observed residues (from ATOM records) qaevnrmmkliinslyknkeiflrelisnasdaldkirlisltdenalagneeltvkikc dkeknllhvtdtgvgmtreelvknlstseligqfgvgfysaflvadkvivtskhnndtqh iwesdsnefsviadprgntlgrgttitlvlkeeasdyleldtiknlvkkysqfinfpiyv wsskgktvwdwelmn