>1pxtA (A:) observed residues (from ATOM records)
llekrpedvvivaanrsaigkgfkgafkdvntdyllynflnefigrfpeplradlnliee
vacgnvlnvgagatehraaclasgipystpfvalnrqcssgltavndiankikvgqidig
lalgvesmtnnyknqknreakkclipmgitnenrkdqdefaansyqkaykakneglfede
ilpiklpdgsicqsdegprpqvsdgvagvllarrsvanqlnlpvlgryidfqtvgvppei
mgvgpayaipkvleatglqvqdidifeineafaaqalycihklgidlnkvnprggaialg
hplgctgarqvatilrelkkdqigvvsmcigtgmgaaaifike