>2c37A (A:) observed residues (from ATOM records)
msstpsnqniipiikkesivslfekgirqdgrkltdyrplsitldyakkadgsalvklgt
tmvlagtkleidkpyedtpnqgnlivnvellpdenaielarvvdrslrdskaldltklvi
epgksvwtvwldvyvldyggnvldactlasvaalyntkvykveqisvnknevvgklplny
pvvtisvakvdkylvvdpdldeesimdakisfsytpdlkivgiqksgkgsmslqdidqae
ntarstavklleelkkhlgi