Chains and heterogens:
PDB Chain Sequences:
>1f7uA (A:) astanmisqlkklsiaepavakdshpdvnivdlmrnyisqelskisgvdsslifpalewt ntmergdllipiprlrikganpkdlavqwaekfpcgdflekveangpfiqfffnpqflak lvipdiltrkedygscklvenkkviiefsspniakpfhaghlrstiiggflanlyeklgw evirmnylgdwgkqfgllavgferygneealvkdpihhlfdvyvrinkdieeegdsiple qstngkareyfkrmedgdeealkiwkrfrefsiekyidtyarlnikydvysgesqvskes mlkaidlfkekglthedkgavlidltkfnkklgkaivqksdgttlyltrdvgaamdryek yhfdkmiyviasqqdlhaaqffeilkqmgfewakdlqhvnfgmvqgmstrkgtvvfldni leetkekmhevmkknenkyaqiehpeevadlvgisavmiqdmqgkrinnyefkwermlsf egdtgpylqyahsrlrsvernasgitqekwinadfsllkepaakllirllgqypdvlrna ikthepttvvtylfklthqvsscydvlwvagqteelatarlalygaarqvlyngmrllgl tpverm