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