Chains and heterogens:
PDB Chain Sequences:
>1ug3A (A:) skaalseeelekkskaiieeylhlndmkeavqcvqelaspsllfifvrhgvestlersai arehmgqllhqllcaghlstaqyyqglyeilelaedmeidiphvwlylaelvtpilqegg vpmgelfreitkplrplgkaasllleilgllcksmgpkkvgtlwreaglswkeflpegqd igafvaeqkveytlgeeseapgqralpseelnrqlekllkegssnqrvfdwieanlseqq ivsntlvralmtavcysaiifetplrvdvavlkarakllqkylcdeqkelqalyalqalv vtleqppnllrmffdalydedvvkedafyswesskdpae
>1ug3A (A:) skaalseeelekkskaiieeylhlndmkeavqcvqelaspsllfifvrhgvestlersai arehmgqllhqllcaghlstaqyyqglyeilelaedmeidiphvwlylaelvtpilqegg vpmgelfreitkplrplgkaasllleilgllcksmgpkkvgtlwreaglswkeflpegqd igafvaeqkveytlalpseelnrqlekllkegssnqrvfdwieanlseqqivsntlvral mtavcysaiifetplrvdvavlkarakllqkylcdeqkelqalyalqalvvtleqppnll rmffdalydedvvkedafyswes
>1ug3B (B:) skaalseeelekkskaiieeylhlndmkeavqcvqelaspsllfifvrhgvestlersai arehmgqllhqllcaghlstaqyyqglyeilelaedmeidiphvwlylaelvtpilqegg vpmgelfreitkplrplgkaasllleilgllcksmgpkkvgtlwreaglswkeflpegqd igafvaeqkveytlgeeseapgqralpseelnrqlekllkegssnqrvfdwieanlseqq ivsntlvralmtavcysaiifetplrvdvavlkarakllqkylcdeqkelqalyalqalv vtleqppnllrmffdalydedvvkedafyswesskdpae
>1ug3B (B:) skaalseeelekkskaiieeylhlndmkeavqcvqelaspsllfifvrhgvestlersai arehmgqllhqllcaghlstaqyyqglyeilelaedmeidiphvwlylaelvtpilqegg vpmgelfreitkplrplgkaasllleilgllcksmgpkkvgtlwreaglswkeflpegqd igafvaeqkveytlalpseelnrqlekllkegssnqrvfdwieanlseqqivsntlvral mtavcysaiifetplrvdvavlkarakllqkylcdeqkelqalyalqalvvtleqppnll rmffdalydedvvkedafyswes