Chains and heterogens:
PDB Chain Sequences:
>1m43A (A:) lgssndnielvdfqnimfygdaevgdnqqpftfildtgsanlwvpsvkcttagcltkhly dssksrtyekdgtkvemnyvsgtvsgffskdlvtvgnlslpykfievidtngfeptytas tfdgilglgwkdlsigsvdpivvelknqnkienalftfylpvhdkhtgfltiggieerfy egpltyeklnhdlywqitldahvgnislekancivdsgtsaitvptdflnkmlqnldvik vpflpfyvtlcnnsklptfeftsengkytlepeyylqhiedvgpglcmlniigldfpvpt filgdpfmrkyftvfdydnhsvgialakknl
>1m43B (B:) lgssndnielvdfqnimfygdaevgdnqqpftfildtgsanlwvpsvkcttagcltkhly dssksrtyekdgtkvemnyvsgtvsgffskdlvtvgnlslpykfievidtngfeptytas tfdgilglgwkdlsigsvdpivvelknqnkienalftfylpvhdkhtgfltiggieerfy egpltyeklnhdlywqitldahvgnislekancivdsgtsaitvptdflnkmlqnldvik vpflpfyvtlcnnsklptfeftsengkytlepeyylqhiedvgpglcmlniigldfpvpt filgdpfmrkyftvfdydnhsvgialakknl