Chains and heterogens:
PDB Chain Sequences:
>1pviA (A:) mshpdlnkllelwphiqeyqdlalkhgindifqdnggkllqvllitgltvlpgregndav dnagqeyelksinidltkgfsthhhmnpviiakyrqvpwifaiyrgiaieaiyrlepkdl efyydkwerkwysdghkdinnpkipvkyvmehgtkiy
>1pviA (A:) shpdlnkllelwphiqeyqdlalkhgindifqdnggkllqvllitgltvlpgregndavd nagqeyelksinidltkgfsthhhmnpviiakyrqvpwifaiyrgiaieaiyrlepkdle fyydkwerkwysdghkdinnpkipvkyvmehgtkiy
>1pviB (B:) mshpdlnkllelwphiqeyqdlalkhgindifqdnggkllqvllitgltvlpgregndav dnagqeyelksinidltkgfsthhhmnpviiakyrqvpwifaiyrgiaieaiyrlepkdl efyydkwerkwysdghkdinnpkipvkyvmehgtkiy
>1pviB (B:) shpdlnkllelwphiqeyqdlalkhgindifqdnggkllqvllitgltvlpgregndavd nagqeyelksinidltkgfsthhhmnpviiakyrqvpwifaiyrgiaieaiyrlepkdle fyydkwerkwysdghkdinnpkipvkyvmehgtkiy