>2giaB (B:) observed residues (from ATOM records)
slpkfeihdvrddpaegtmtrvavdgklllisqypqlgprkvdpndlspqfdadrrisvr
lrhvdlaylvgvckervprhrmetkaytldfeksaqgyhlhgkvhrvasqrmedwsvkfd
nhfavtlehflesaldesfgfrqhya