Chains and heterogens:
PDB Chain Sequences:
>4pah_ (-) tvpwfprtiqeldrfanqilsygaeldadhpgfkdpvyrarrkqfadiaynyrhgqpipr veymeeekktwgtvfktlkslykthacyeynhifpllekycgfhednipqledvsqflqt ctgfrlrpvagllssrdflgglafrvfhctqyirhgskpmytpepdichellghvplfsd rsfaqfsqeiglaslgapdeyieklatiywftvefglckqgdsikaygagllssfgelqy clsekpkllplelektaiqnytvtefqplyyvaesfndakekvrnfaatiprpfsvrydp ytqrievl