Chains and heterogens:
PDB Chain Sequences:
>1tcs_ (-) dvsfrlsgatsssygvfisnlrkalpnerklydipllrsslpgsqryalihltnyadeti svaidvtnvyimgyragdtsyffneasateaakyvfkdamrkvtlpysgnyerlqtaagk ireniplglpaldsaittlfyynansaasalmvliqstseaarykfieqqigkrvdktfl pslaiislenswsalskqiqiastnngqfespvvlinaqnqrvtitnvdagvvtsniall lnrnnma