>2pviB (B:) observed residues (from ATOM records)
shpdlnkllelwphiqeyqdlalkhgindifqdnggkllqvllitgltvlpgragndavd
nagqeyelksinidltkgfsthhhmnpviiakarqvpwifaiyrgiaieaiyrlepkdle
fyydkwerkwysdghkdinnpkipvkyvmehgtkiy