>7la1B (B:) observed residues (from ATOM records)
vavhnlkdllaegvsgrgvlvrsdlnvpldsdgeqgritdpgritasvptlsalveagak
vvvaahlgrpkngpdpalslapvaaalgeqlgrhvqlasdvvgtdalaraegltdgdvll
lenirfdaretskddaerlalarqlaelvgptgafvsdgfgvvhrkqasvydvatllphy
agtlvaeeiavleqltgstkrpyavvlggskvsdklgvieslatkadsivigggmcftfl
aaqgfsvgkslletemvdtcrrlldtyvdvlrlpvdivaadrfaadaapqtvpadaipdd
lmgldigpgsvkrftallsnaetifwngpmgvfefpafaagtkglaeaiaaatgkgafsv
vgggdsaaavralgipesgfshistgggasleylegkalpgievlgrpqpt