>1g21G (G:) observed residues (from ATOM records)
mrqcaiygkggigkstttqnlvaalaemgkkvmivgcdpkadstrlilhskaqntimema
aeagtvedleledvlkagyggvkcvesggpepgvgcagrgvitainfleeegayeddldf
vfydvgdvvcggfampirenkaqeiyivcsgemmamyaanniskgivkyansgsvrlggl
icnsrntdredeliialanklgtqmihfvprdnvvqraeirrmtvieydpkakqadeyra
larkvvdnkllvipnpitmdeleellme