>2c37S (S:) observed residues (from ATOM records)
msstpsnqniipiikkesivslfekgirqdgrkltdyrplsitldyakkadgsalvklgt
tmvlagtkleidkpyedtpnqgnlivnvellpdenaielarvvdrslrdskaldltklvi
epgksvwtvwldvyvldyggnvldactlasvaalyntkvykveqisvnknevvgklplny
pvvtisvakvdkylvvdpdldeesimdakisfsytpdlkivgiqksgkgsmslqdidqae
ntarstavklleelkkhlgi