Chains and heterogens:
PDB Chain Sequences:
>3sttA (A:) gsmeksmspfvkkhfvlvhtafhgawcwykivalmrssghnvtaldlgasginpkqalqi pnfsdylsplmefmaslpanekiilvghalgglaiskametfpekisvavflsglmpgpn idattvctkagsavlgqldncvtyengptnppttliagpkflatnvyhlspiedlalata lvrplylylaediskevvlsskrygsvkrvfivatendalkkeflklmieknppdevkei egsdhvtmmskpqqlfttllsiankyk
>3sttA (A:) fvkkhfvlvhtafhgawcwykivalmrssghnvtaldlgasginpkqalqipnfsdylsp lmefmaslpanekiilvghalgglaiskametfpekisvavflsglmpgpnidattvctk agsavlgqldncvtyengptnppttliagpkflatnvyhlspiedlalatalvrplylyl aediskevvlsskrygsvkrvfivatendalkkeflklmieknppdevkeiegsdhvtmm skpqqlfttllsiankyk
>3sttB (B:) gsmeksmspfvkkhfvlvhtafhgawcwykivalmrssghnvtaldlgasginpkqalqi pnfsdylsplmefmaslpanekiilvghalgglaiskametfpekisvavflsglmpgpn idattvctkagsavlgqldncvtyengptnppttliagpkflatnvyhlspiedlalata lvrplylylaediskevvlsskrygsvkrvfivatendalkkeflklmieknppdevkei egsdhvtmmskpqqlfttllsiankyk
>3sttB (B:) pfvkkhfvlvhtafhgawcwykivalmrssghnvtaldlgasginpkqalqipnfsdyls plmefmaslpanekiilvghalgglaiskametfpekisvavflsglmpgpnidattvct kagsavlgqldncvtyengptnppttliagpkflatnvyhlspiedlalatalvrplyly laediskevvlsskrygsvkrvfivatendalkkeflklmieknppdevkeiegsdhvtm mskpqqlfttllsiankyk