Chains and heterogens:
PDB Chain Sequences:
>4yv2A (A:) mahhhhhhmpgselisggwfreendqwpgqamslrvekvlydaptkfqhltifesdpkgp wgtvmaldgciqvtdydefvyhevlghtslcshpkpervliigggdggvlrevlrhgtve hcdlvdidgevmeqskqhfpqisrsladpratvrvgdglafvrqtpdntydvviidttdp agpasklfgeafykdvlrilkpdgiccnqgesiwldleliekmsrfiretgfasvqyalm hvptypcgsigtlvcskkagvdvtkplrpvedmpfakdlkyydsemhkasfalprfarhi nnse
>4yv2A (A:) elisggwfreendqwpgqamslrvekvlydaptkfqhltifesdpkgpwgtvmaldgciq vtdydefvyhevlghtslcshpkpervliigggdggvlrevlrhgtvehcdlvdidgevm eqskqhfpqisrsladpratvrvgdglafvrqtpdntydvviidteafykdvlrilkpdg iccnqgesiwldleliekmsrfiretgfasvqyalmhvptypcgsigtlvcskkagvdvt kplrpvedmpfakdlkyydsemhkasfalprfarhinn
>4yv2B (B:) mahhhhhhmpgselisggwfreendqwpgqamslrvekvlydaptkfqhltifesdpkgp wgtvmaldgciqvtdydefvyhevlghtslcshpkpervliigggdggvlrevlrhgtve hcdlvdidgevmeqskqhfpqisrsladpratvrvgdglafvrqtpdntydvviidttdp agpasklfgeafykdvlrilkpdgiccnqgesiwldleliekmsrfiretgfasvqyalm hvptypcgsigtlvcskkagvdvtkplrpvedmpfakdlkyydsemhkasfalprfarhi nnse
>4yv2B (B:) gwfreendqwpgqamslrvekvlydaptkfqhltifesdpkgpwgtvmaldgciqvtdyd efvyhevlghtslcshpkpervliigggdggvlrevlrhgtvehcdlvdidgevmeqskq hfpqisrsladpratvrvgdglafvrqtpdntydvviidteafykdvlrilkpdgiccnq gesiwldleliekmsrfiretgfasvqyalmhvptypcgsigtlvcskkagvdvtkplrp vedmpfakdlkyydsemhkasfalprfarhinn