>2gndA (A:) observed residues (from ATOM records) edslsfgfptfpsdqknlifqgdaqiknnavqltktdsngnpvastvgrilfsaqvhlwe ksssrvanfqsqfsfslksplsngadgiaffiappdttipsgsgggllglfapgtaqnts anqviavefdtfyaqdsntwdpnyphigidvnsirsvktvkwdrrdgqslnvlvtfnpst rnldvvatysdgtryevsyevdvrsvlpewvrvgfsaasgeqyqthtleswsftstllyt a