Chains and heterogens:
PDB Chain Sequences:
>1tisA (A:) mkqyqdlikdifengyetddrtgtgtialfgsklrwdltkgfpavttkklawkaciaeli wflsgstnvndlrliqhdsliqgktvwdenyenqakdlgyhsgelgpiygkqwrdfggvd qiievidrikklpndrrqivsawnpaelkymalppchmfyqfnvrngyldlqwyqrsvdv flglpfniasyatlvhivakmcnlipgdlifsggnthiymnhveqckeilrrepkelcel visglpykfrylstkeqlkyvlklrpkdfvlnnyvshppikgkmav