Chains and heterogens:
PDB Chain Sequences:
>1lf4A (A:) lgssndnielvdfqnimfygdaevgdnqqpftfildtgsanlwvpsvkcttagcltkhly dssksrtyekdgtkvemnyvsgtvsgffskdlvtvgnlslpykfievidtngfeptytas tfdgilglgwkdlsigsvdpivvelknqnkienalftfylpvhdkhtgfltiggieerfy egpltyeklnhdlywqitldahvgnimlekancivdsgtsaitvptdflnkmlqnldvik vpflpfyvtlcnnsklptfeftsengkytlepeyylqhiedvgpglcmlniigldfpvpt filgdpfmrkyftvfdydnhsvgialakknl
>1lf4A (A:) lgssndnielvdfqnimfygdaevgdnqqpftfildtgsanlwvpsvkcttagcltkhly dssksrtyekdgtkvemnyvsgtvsgffskdlvtvgnlslpykfievidtngfeptytas tfdgilglgwkdlsigsvdpivvelknqnkienalftfylpvhdkhtgfltiggieerfy egpltyeklnhdlywqitldahvgnimlekancivdsgtsaitvptdflnkmlqnldvif yvtlcnnsklptfeftsengkytlepeyylqhiedvgpglcmlniigldfpvptfilgdp fmrkyftvfdydnhsvgialakknl