Chains and heterogens:
PDB Chain Sequences:
>1cygA (A:) agnlnkvnftsdvvyqivvdrfvdgntsnnpsgalfssgctnlrkycggdwqgiinkind gyltdmgvtaiwisqpvenvfsvmndasgsasyhgywardfkkpnpffgtlsdfqrlvda ahakgikviidfapnhtspasetnpsymengrlydngtllggytndanmyfhhnggttfs sledgiyrnlfdladlnhqnpvidrylkdavkmwidmgidgirmdavkhmpfgwqkslmd eidnyrpvftfgewflsenevdannhyfanesgmslldfrfgqklrqvlrnnsdnwygfn qmiqdtasaydevldqvtfidnhdmdrfmidggdprkvdmalavlltsrgvpniyygteq ymtgngdpnnrkmmssfnkntrayqviqklsslrrnnpalaygdteqrwingdvyvyerq fgkdvvlvavnrssssnysitglftalpagtytdqlgglldgntiqvgsngsvnafdlgp gevgvwaysatestpiighvgpmmgqvghqvtidgegfgtntgtvkfgttaanvvswsnn qivvavpnvspgkynitvqsssgqtsaaydnfevltndqvsvrfvvnnattnlgqniyiv gnvyelgnwdtskaigpmfnqvvysyptwyidvsvpegktiefkfikkdsqgnvtwesgs nhvyttptnttgkiivdwqn