Chains and heterogens:
PDB Chain Sequences:
>1hwnA (A:) idypsvsfnlagaksttyrdflknlrdrvatgtyevnglpvlrresevqvknrfvlvrlt nyngdtvtsavdvtnlylvafsangnsyffkdatelqksnlflgttqhtlsftgnydnle taagtrresielgpnpldgaitslwydggvarsllvliqmvpeaarfryieqevrrslqq ltsftpnalmlsmennwssmslevqlsgdnvspfsgtvqlqnydhtprlvdnfeelykit giaillfrcvatkt
>1hwnB (B:) dgetcaipapftrrivgrdglcvdvrngydtdgtpiqlwpcgtqrnqqwtfyndktirsm gkcmtanglnsgsyimitdcstaaedatkwevlidgsiinpssglvmtapsgasrttlll ennihaasqgwtvsndvqpiatlivgynemclqangennnvwmedcdvtsvqqqwalfdd rtirvnnsrglcvtsngyvskdlivirkcqglatqrwffnsdgsvvnlkstrvmdvkesd vslqeviifpatgnpnqqwrtqvpqi
>1hwnB (B:) getcaipapftrrivgrdglcvdvrngydtdgtpiqlwpcgtqrnqqwtfyndktirsmg kcmtanglnsgsyimitdcstaaedatkwevlidgsiinpssglvmtapsgasrttllle nnihaasqgwtvsndvqpiatlivgynemclqangennnvwmedcdvtsvqqqwalfddr tirvnnsrglcvtsngyvskdlivirkcqglatqrwffnsdgsvvnlkstrvmdvkesdv slqeviifpatgnpnqqwrtqvp