Chains and heterogens:
PDB Chain Sequences:
>3stiA (A:) sipgqvadqaplpslapmlekvlpavvsvrvegtasqgqkipeefkkffgddlpdqpaqp feglgsgviinaskgyvltnnhvinqaqkisiqlndgrefdakligsddqsdiallqiqn pskltqiaiadsdklrvgdfavavgnpfglgqtatsgivsalgrsglnleglenfiqtda sinrgnsggallnlngeligintailapgggsvgigfaipsnmartlaqqlidfgeileh hhhhh
>3stiA (A:) plpslapmlekvlpavvsvlgsgviinaskgyvltnnhvikisiqlndgrefdakligsd dqsdiallqiqnpskltqiaiadsdklrvgdfavavgnpfglgqtatsgivsalgrsgln leglenfiqtdasinrgnsggallnlngeligintailvgigfaipsnmartlaqqlidf geil
>3stiB (B:) sipgqvadqaplpslapmlekvlpavvsvrvegtasqgqkipeefkkffgddlpdqpaqp feglgsgviinaskgyvltnnhvinqaqkisiqlndgrefdakligsddqsdiallqiqn pskltqiaiadsdklrvgdfavavgnpfglgqtatsgivsalgrsglnleglenfiqtda sinrgnsggallnlngeligintailapgggsvgigfaipsnmartlaqqlidfgeileh hhhhh
>3stiB (B:) plpslapmlekvlpavvsvrvglgsgviinaskgyvltnnhvinkisiqlndgrefdakl igsddqsdiallqiqnpskltqiaiadsdklrvgdfavavgnpfglgqtatsgivsalgr sgllenfiqtdasinrgnsggallnlngeligintailvgigfaipsnmartlaqqlidf geil
>3stiC (C:) sipgqvadqaplpslapmlekvlpavvsvrvegtasqgqkipeefkkffgddlpdqpaqp feglgsgviinaskgyvltnnhvinqaqkisiqlndgrefdakligsddqsdiallqiqn pskltqiaiadsdklrvgdfavavgnpfglgqtatsgivsalgrsglnleglenfiqtda sinrgnsggallnlngeligintailapgggsvgigfaipsnmartlaqqlidfgeileh hhhhh
>3stiC (C:) plpslapmlekvlpavvsvrglgsgviinaskgyvltnnhvikisiqlndgrefdaklig sddqsdiallqiqnpskltqiaiadsdklrvgdfavavgnpfglgqtatsgivsalgrsg lnleglenfiqtdasinrgnsggallnlngeligintailsvgigfaipsnmartlaqql idf