>1pviB (B:) observed residues (from ATOM records)
shpdlnkllelwphiqeyqdlalkhgindifqdnggkllqvllitgltvlpgregndavd
nagqeyelksinidltkgfsthhhmnpviiakyrqvpwifaiyrgiaieaiyrlepkdle
fyydkwerkwysdghkdinnpkipvkyvmehgtkiy