>2a1vA (A:) observed residues (from ATOM records)
lqtpmqtvddlrsvcdelphsletfpfddetlvfkvgylsksrmyaltditqdplrlslk
vdpergeelrqahpqsiapgyhlnkkhwvtvtldgtvpaellgellrgsyllvtkkgftk
aerkelglpdsleggshh