Chains and heterogens:
PDB Chain Sequences:
>1nsvA (A:) msikirdfglgsdlisltnkagvtisftnlgarivdwqkdgkhlilgfdsakeylekday pgatvgptagrikdglvkisgkdyilnqnegpqtlnggeesihtklwtyevtdlgaevqv kfslvsndgtngypgkiemsvthsfdddnkwkihyeaisdkdtvfnptghvyfnlngdas esvenhglrlaasrfvplkdqteivrgdivdikntdldfrqekqlsnafnsnmeqvqlvk gidhpflldqlgldkeqarltlddtsisvftdqpsiviftanfgdlgtlyhekkqvhhgg itfecqvspgseqipelgdislkagekyqattiyslhtklehhhhhh
>1nsvA (A:) sikirdfglgsdlisltnkagvtisftnlgarivdwqkdgkhlilgfdsakeylekdayp gatvgptagrikdglvkisgkdyilnqnegpqtlnggeesihtklwtyevtdlgaevqvk fslvsndgtngypgkiemsvthsfdddnkwkihyeaisdkdtvfnptghvyfnlngdase svenhglrlaasrfvplkdqteivrgdivdikntdldfrqekqlsnafnsnmeqvqlvkg idhpflldqlgldkeqarltlddtsisvftdqpsiviftanfgdlgtlyhekkqvhhggi tfecqvspgseqipelgdislkagekyqattiyslhtkl
>1nsvB (B:) msikirdfglgsdlisltnkagvtisftnlgarivdwqkdgkhlilgfdsakeylekday pgatvgptagrikdglvkisgkdyilnqnegpqtlnggeesihtklwtyevtdlgaevqv kfslvsndgtngypgkiemsvthsfdddnkwkihyeaisdkdtvfnptghvyfnlngdas esvenhglrlaasrfvplkdqteivrgdivdikntdldfrqekqlsnafnsnmeqvqlvk gidhpflldqlgldkeqarltlddtsisvftdqpsiviftanfgdlgtlyhekkqvhhgg itfecqvspgseqipelgdislkagekyqattiyslhtklehhhhhh
>1nsvB (B:) sikirdfglgsdlisltnkagvtisftnlgarivdwqkdgkhlilgfdsakeylekdayp gatvgptagrikdglvkisgkdyilnqnegpqtlnggeesihtklwtyevtdlgaevqvk fslvsndgtngypgkiemsvthsfdddnkwkihyeaisdkdtvfnptghvyfnlngdase svenhglrlaasrfvplkdqteivrgdivdikntdldfrqekqlsnafnsnmeqvqlvkg idhpflldqlgldkeqarltlddtsisvftdqpsiviftanfgdlgtlyhekkqvhhggi tfecqvspgseqipelgdislkagekyqattiyslhtklehhhhhh