Chains and heterogens:
PDB Chain Sequences:
>1m4vA (A:) akyenvtkdifdlrdyysgaskelknvtgyryskggkhylifdkhqkftriqifgkdier lktrknpgldifvvkeaenrngtvfsyggvtkknqgayydylnapkfvikkevdagvyth vkrhyiykeevslkeldfklrqyliqnfdlykkfpkdskikvimkdggyytfelnkklqp hrmsdvidgrniekmeanir
>1m4vA (A:) akyenvtkdifdlrdyysgaskelknvtgyryskggkhylifdkhqkftriqifgkdier lktrknpgldifvvkeaetvfsyggvtkknqgayydylnapkfvikkevdagvythvkrh yiykeevslkeldfklrqyliqnfdlykkfpkdskikvimkdggyytfelnkklqphrms dvidgrniekmeanir
>1m4vB (B:) akyenvtkdifdlrdyysgaskelknvtgyryskggkhylifdkhqkftriqifgkdier lktrknpgldifvvkeaenrngtvfsyggvtkknqgayydylnapkfvikkevdagvyth vkrhyiykeevslkeldfklrqyliqnfdlykkfpkdskikvimkdggyytfelnkklqp hrmsdvidgrniekmeanir
>1m4vB (B:) akyenvtkdifdlrdyysgaskelknvtgyryskggkhylifdkhqkftriqifgkdier lktrknpgldifvvkeaentvfsyggvtkknqgayydylnapkfvikkevdagvythvkr hyiykeevslkeldfklrqyliqnfdlykkfpkdskikvimkdggyytfelnkklqphrm sdvidgrniekmeanir