Chains and heterogens:
PDB Chain Sequences:
>1fxvA (A:) eqssseikivrdeygmphiyandtwhlfygygyvvaqdrlfqmemarrstqgtvaevlgk dfvkfdkdirrnywpdairaqiaalspedmsilqgyadgmnawidkvntnpetllpkqfn tfgftpkrwepfdvamifvgtmanrfsdstseidnlalltalkdkygvsqgmavfnqlkw lvnpsapttiavqesnyplkfnqqnsqta
>1fxvA (A:) ssseikivrdeygmphiyandtwhlfygygyvvaqdrlfqmemarrstqgtvaevlgkdf vkfdkdirrnywpdairaqiaalspedmsilqgyadgmnawidkvntnpetllpkqfntf gftpkrwepfdvamifvgtmanrfsdstseidnlalltalkdkygvsqgmavfnqlkwlv npsapttiavqesnyplkfnqqnsqt
>1fxvB (B:) snmwvigkskaqdakaimvngpqfgwyapaytygiglhgagydvtgntpfaypglvfghn gviswgstagfgddvdifaerlsaekpgyylhngkwvkmlsreetitvkngqaetftvwr tvhgnilqtdqttqtayaksrawdgkelasllawthqmkaknwqewtqqaakqaltinwy yadvngnigyvhtgaypdrqsghdprlpvpgtgkwdwkgllpfemnpkvynpqsgyianw anspqkdypasdlfaflwggadrvteidrlleqkprltadqawdvirqtsrqdlnlrlfl ptlqaatsgltqsdprrqlvetltrwdginllnddgktwqqpgsailnvwltsmlkrtvv aavpmpfdkwysasgyettqdgptgslnisvgakilyeavqgdkspipqavdlfagkpqq evvlaaledtwetlskrygnnvsnwktpamaltfrannffgvpqaaaeetrhqaeyqnrg tendmivfspttsdrpvlawdvvapgqsgfiapdgtvdkhyedqlkmyenfgrkslwltk qdveahkesqevlhvqr