Chains and heterogens:
PDB Chain Sequences:
>3pahA (A:) tvpwfprtiqeldrfanqilsygaeldadhpgfkdpvyrarrkqfadiaynyrhgqpipr veymeeekktwgtvfktlkslykthacyeynhifpllekycgfhednipqledvsqflqt ctgfrlrpvagllssrdflgglafrvfhctqyirhgskpmytpepdichellghvplfsd rsfaqfsqeiglaslgapdeyieklatiywftvefglckqgdsikaygagllssfgelqy clsekpkllplelektaiqnytvtefqplyyvaesfndakekvrnfaatiprpfsvrydp ytqrievl