Chains and heterogens:
PDB Chain Sequences:
>2xt0A (A:) mefvrtpddrfadlpdfpyaphyleglpgfeglrmhyvdegprdaehtflclhgepswsf lyrkmlpvftaaggrvvapdlfgfgrsdkptddavytfgfhrrsllafldalqlervtlv cqdwggilgltlpvdrpqlvdrlivmntalavglspgkgfeswrdfvanspdldvgklmq raipgitdaevaaydapfpgpefkagvrrfpaivpitpdmegaeigrqamsfwstqwsgp tfmavgaqdpvlgpevmgmlrqairgcpepmiveagghfvqehgepiaraalaafgq