Chains and heterogens:
PDB Chain Sequences:
>4b4vA (A:) mgsshhhhhhssgenlyfqghmalvldgralakqieenllvrvealkaktgrtpilatil vgddgasatyvrmkgnacrrvgmdslkielpqettteqllaeieklnanpdvhgillqhp vpaqideracfdaislakdvdgvtclgfgrmamgeaaygsatpagimtilkennieiagk havvvgrsailgkpmammllqanatvtichsrtqnlpelvkqadiivgavgkaeliqkdw ikqgavvvdagfhprdgggvgdiqlqgieeiasaytpvpggvgpmtittlirqtveaaek alg
>4b4vA (A:) malvldgralakqieenllvrvealkaktgrtpilatilvgddgasatyvrmkgnacrrv gmdslkielpqettteqllaeieklnanpdvhgillqhpvpaqideracfdaislakdvd gvtclgfgrmamgeaaygsatpagimtilkennieiagkhavvvgrsailgkpmammllq anatvtichsrtqnlpelvkqadiivgavgkaeliqkdwikqgavvvdagfhprdgggvg diqlqgieeiasaytpvpggvgpmtittlirqtveaaekalg
>4b4vB (B:) mgsshhhhhhssgenlyfqghmalvldgralakqieenllvrvealkaktgrtpilatil vgddgasatyvrmkgnacrrvgmdslkielpqettteqllaeieklnanpdvhgillqhp vpaqideracfdaislakdvdgvtclgfgrmamgeaaygsatpagimtilkennieiagk havvvgrsailgkpmammllqanatvtichsrtqnlpelvkqadiivgavgkaeliqkdw ikqgavvvdagfhprdgggvgdiqlqgieeiasaytpvpggvgpmtittlirqtveaaek alg
>4b4vB (B:) malvldgralakqieenllvrvealkaktgrtpilatilvgddgasatyvrmkgnacrrv gmdslkielpqettteqllaeieklnanpdvhgillqhpvpaqideracfdaislakdvd gvtclgfgrmamgeaaygsatpagimtilkennieiagkhavvvgrsailgkpmammllq anatvtichsrtqnlpelvkqadiivgavgkaeliqkdwikqgavvvdagfhprdgggvg diqlqgieeiasaytpvpggvgpmtittlirqtveaaekalg