Chains and heterogens:
PDB Chain Sequences:
>1nsxA (A:) msikirdfglgsdlisltnkagvtisftnlgarivdwqkdgkhlilgfdsakeylekday pgatvgptagrikdglvkisgkdyilnqnegpqtlhggeesihtklwtyevtdlgaevqv kfslvsndgtngypgkiemsvthsfdddnkwkihyeaisdkdtvfnptgnvyfnlngdas esvenhglrlaasrfvplkdqteivrgdivdikntdldfrqekqlsnafnsnmeqvqlvk gidhpflldqlgldkeqarltlddtsisvftdqpsiviftanfgdlgtlyhekkqvhhgg itfecqvspgseqipelgdislkagekyqattiyslhtklehhhhhh
>1nsxA (A:) sikirdfglgsdlisltnkagvtisftnlgarivdwqkdgkhlilgfdsakeylekdayp gatvgptagrikdglvkisgkdyilnqnegpqtlhggeesihtklwtyevtdlgaevqvk fslvsndgtngypgkiemsvthsfdddnkwkihyeaisdkdtvfnptgnvyfnlngdase svenhglrlaasrfvplkdqteivrgdivdikntdldfrqekqlsnafnsnmeqvqlvkg idhpflldqlgldkeqarltlddtsisvftdqpsiviftanfgdlgtlyhekkqvhhggi tfecqvspgseqipelgdislkagekyqattiyslhtkl
>1nsxB (B:) msikirdfglgsdlisltnkagvtisftnlgarivdwqkdgkhlilgfdsakeylekday pgatvgptagrikdglvkisgkdyilnqnegpqtlhggeesihtklwtyevtdlgaevqv kfslvsndgtngypgkiemsvthsfdddnkwkihyeaisdkdtvfnptgnvyfnlngdas esvenhglrlaasrfvplkdqteivrgdivdikntdldfrqekqlsnafnsnmeqvqlvk gidhpflldqlgldkeqarltlddtsisvftdqpsiviftanfgdlgtlyhekkqvhhgg itfecqvspgseqipelgdislkagekyqattiyslhtklehhhhhh
>1nsxB (B:) sikirdfglgsdlisltnkagvtisftnlgarivdwqkdgkhlilgfdsakeylekdayp gatvgptagrikdglvkisgkdyilnqnegpqtlhggeesihtklwtyevtdlgaevqvk fslvsndgtngypgkiemsvthsfdddnkwkihyeaisdkdtvfnptgnvyfnlngdase svenhglrlaasrfvplkdqteivrgdivdikntdldfrqekqlsnafnsnmeqvqlvkg idhpflldqlgldkeqarltlddtsisvftdqpsiviftanfgdlgtlyhekkqvhhggi tfecqvspgseqipelgdislkagekyqattiyslhtklehhhhhh