Chains and heterogens:
PDB Chain Sequences:
>2dsaA (A:) mklyyspgacslsphialreaglnfelvqvdlaskktasgqdylevnpagyvpclqlddg rtltegpaivqyvadqvpgkqlapangsferyhlqqwlnfisselhksfsplfnpassde wknavrqslntrlgqvarqlehapyllgdqlsvadiylfvvlgwsayvnidlspwpslqa fqgrvggreavqsalraeglike
>2dsaA (A:) mklyyspgacslsphialreaglnfelvqvdlaskktasgqdylevnpagyvpclqlddg rtltegpaivqyvadqvpgkqlapangsferyhlqqwlnfisselhksfsplfnpassde wknavrqslntrlgqvarqlehapyllgdqlsvadiylfvvlgwsayvnidlspwpslqa fqgrvggreavqsalraegl
>2dsaB (B:) mklyyspgacslsphialreaglnfelvqvdlaskktasgqdylevnpagyvpclqlddg rtltegpaivqyvadqvpgkqlapangsferyhlqqwlnfisselhksfsplfnpassde wknavrqslntrlgqvarqlehapyllgdqlsvadiylfvvlgwsayvnidlspwpslqa fqgrvggreavqsalraeglike
>2dsaB (B:) mklyyspgacslsphialreaglnfelvqvdlaskktasgqdylevnpagyvpclqlddg rtltegpaivqyvadqvpgkqlapangsferyhlqqwlnfisselhksfsplfnpassde wknavrqslntrlgqvarqlehapyllgdqlsvadiylfvvlgwsayvnidlspwpslqa fqgrvggreavqsalraegl
>2dsaC (C:) mklyyspgacslsphialreaglnfelvqvdlaskktasgqdylevnpagyvpclqlddg rtltegpaivqyvadqvpgkqlapangsferyhlqqwlnfisselhksfsplfnpassde wknavrqslntrlgqvarqlehapyllgdqlsvadiylfvvlgwsayvnidlspwpslqa fqgrvggreavqsalraeglike
>2dsaC (C:) mklyyspgacslsphialreaglnfelvqvdlaskktasgqdylevnpagyvpclqlddg rtltegpaivqyvadqvpgkqlapangsferyhlqqwlnfisselhksfsplfnpassde wknavrqslntrlgqvarqlehapyllgdqlsvadiylfvvlgwsayvnidlspwpslqa fqgrvggreavqsalraegl
>2dsaD (D:) mklyyspgacslsphialreaglnfelvqvdlaskktasgqdylevnpagyvpclqlddg rtltegpaivqyvadqvpgkqlapangsferyhlqqwlnfisselhksfsplfnpassde wknavrqslntrlgqvarqlehapyllgdqlsvadiylfvvlgwsayvnidlspwpslqa fqgrvggreavqsalraeglike
>2dsaD (D:) mklyyspgacslsphialreaglnfelvqvdlaskktasgqdylevnpagyvpclqlddg rtltegpaivqyvadqvpgkqlapangsferyhlqqwlnfisselhksfsplfnpassde wknavrqslntrlgqvarqlehapyllgdqlsvadiylfvvlgwsayvnidlspwpslqa fqgrvggreavqsalraegl