Chains and heterogens:
PDB Chain Sequences:
>4qtzA (A:) lgnvvcvtgasgyiaswlvrlllhrgytvkatvrdpndpkkvdhlvkldgakerlqlfka nlleegafdsvvqgchgvfhtaspfyhdvkdpqaelidpalkgtlnvlnscakspslkrv vltssiaavayngkprtpdvvvdetwftdadfcaksnlwyvvsktlaeeaawkfvkenni dmvtinpamvigpllqpvlntsaaailnlingaqtfpnasfgwvnvkdvanahilayena sasgrhclvervahysevvrilrelypslqlpekcaddkpyvpiyqvskekakslgleyt plevsiketveslkekkfanl