Chains and heterogens:
PDB Chain Sequences:
>1jfxA (A:) dtsgvqgidvshwqgsinwssvksagmsfayikategtnykddrfsanytnaynagiirg ayhfarpnassgtaqadyfasngggwsrdnrtlpgvldiehnpsgamcyglsttqmrtwi ndfharykarttrdvviyttaswwntctgswngmaakspfwvahwgvsaptvpsgfptwt fwqysatgrvggvsgdvdrnkfngsaarllalannta