>1a1qA (A:) SEQRES residues pitaysqqtrgllgciitsltgrdknqvegevqvvstatqsflatcvngvcwtvyhgags ktlagpkgpitqmytnvdqdlvgwqappgarsltpctcgssdlylvtrhadvipvrrrgd srgsllsprpvsylkgssggpllcpsghavgifraavctrgvakavdfvpvesmettmrs pvf