Chains and heterogens:
PDB Chain Sequences:
>1mssA (A:) mskpqpiaaanwkcngsqqslselidlfnstsinhdvqcvvastsshlamtkerlshpkf viaaqnagnadalaslkdfgvnwivlghserrayygetneivadkvaaavasgfmviaci getlqeresgrtavvvltqiaaiakklkkadwakvviayepvwaigtgkvatpqqaqeah alirswvsskigadvagelrilyggsvngknartlyqqrdvngflvggaslkpefvdiik atq
>1mssA (A:) skpqpiaaanwkcngsqqslselidlfnstsinhdvqcvvastsshlamtkerlshpkfv iaaqnagnadalaslkdfgvnwivlghserrayygetneivadkvaaavasgfmviacig etlqeresgrtavvvltqiaaiakklkkadwakvviayepvwaigtgkvatpqqaqeaha lirswvsskigadvagelrilyggsvngknartlyqqrdvngflvggaslkpefvdiika tq
>1mssB (B:) mskpqpiaaanwkcngsqqslselidlfnstsinhdvqcvvastsshlamtkerlshpkf viaaqnagnadalaslkdfgvnwivlghserrayygetneivadkvaaavasgfmviaci getlqeresgrtavvvltqiaaiakklkkadwakvviayepvwaigtgkvatpqqaqeah alirswvsskigadvagelrilyggsvngknartlyqqrdvngflvggaslkpefvdiik atq
>1mssB (B:) skpqpiaaanwkcngsqqslselidlfnstsinhdvqcvvastsshlamtkerlshpkfv iaaqnagnadalaslkdfgvnwivlghserrayygetneivadkvaaavasgfmviacig etlqeresgrtavvvltqiaaiakklkkadwakvviayepvwaigtgkvatpqqaqeaha lirswvsskigadvagelrilyggsvngknartlyqqrdvngflvggaslkpefvdiika tq