>2arxB (B:) observed residues (from ATOM records) qdslsfgfptfpsdqknlifqgdaqiknnavqltktdsngnpvastvgrilfsaqvhlwe ksssrvanfqsqfsfslksplsngadgiaffiappdttipsgsgggllglfapgtaqnts anqviavefdtfyaqdsntwdpnyphigidvnsirsvktvkwdrrdgqslnvlvtfnpst rnldvvatysdgtryevsyevdvrsvlpewvrvgfsaasgeqyqthtleswsftstllyt a