Chains and heterogens:
PDB Chain Sequences:
>4umyA (A:) mskkisggsvvemqgdemtriiwelikeklifpyveldlhsydlgienrdatndqvtkda aeaikkhnvgvkcatitpdekrveefklkqmwkspngtirnilggtvfreaiickniprl vsgwvkpiiighhaygdqyratdfvvpgpgkveitytpsdgtqkvtylvhnfeegggvam gmynqdksiedfahssfqmalskgwplylstkntilkkydgrfkdifqeiydkqyksqfe aqkiwyehrliddmvaqamkseggfiwacknydgdvqsdsvaqgygslgmmtsvlvcpdg ktveaeaahgtvtrhyrmyqkgqetstnpiasifawtrglahrakldnnkelaffanale evsietieagfmtkdlaacikglpnvqrsdylntfefmdklgenlkiklaqaklslehhh hhhhh
>4umyA (A:) kkisggsvvemqgdemtriiwelikeklifpyveldlhsydlgienrdatndqvtkdaae aikkhnvgvkcatitpdekrveefklkqmwkspngtirnilggtvfreaiickniprlvs gwvkpiiighhratdfvvpgpgkveitytpsdgtqkvtylvhnfeegggvamgmynqdks iedfahssfqmalskgwplylstkntilkkydgrfkdifqeiydkqyksqfeaqkiwyeh rliddmvaqamkseggfiwackngslgmmtsvlvcpdgktveaeaahgtvtrhyrmyqkg qetstnpiasifawtrglahrakldnnkelaffanaleevsietieagfmtkdlaacikg lpnvqrsdylntfefmdklgenlkiklaqak
>4umyB (B:) mskkisggsvvemqgdemtriiwelikeklifpyveldlhsydlgienrdatndqvtkda aeaikkhnvgvkcatitpdekrveefklkqmwkspngtirnilggtvfreaiickniprl vsgwvkpiiighhaygdqyratdfvvpgpgkveitytpsdgtqkvtylvhnfeegggvam gmynqdksiedfahssfqmalskgwplylstkntilkkydgrfkdifqeiydkqyksqfe aqkiwyehrliddmvaqamkseggfiwacknydgdvqsdsvaqgygslgmmtsvlvcpdg ktveaeaahgtvtrhyrmyqkgqetstnpiasifawtrglahrakldnnkelaffanale evsietieagfmtkdlaacikglpnvqrsdylntfefmdklgenlkiklaqaklslehhh hhhhh
>4umyB (B:) kkisggsvvemqgdemtriiwelikeklifpyveldlhsydlgienrdatndqvtkdaae aikkhnvgvkcatitpdekrveefklkqmwkspngtirnilggtvfreaiickniprlvs gwvkpiiighharatdfvvpgpgkveitytpsdgtqkvtylvhnfeegggvamgmynqdk siedfahssfqmalskgwplylstkntilkkydgrfkdifqeiydkqywyehrliddmva qamkseggfiwacknslgmmtsvlvcpdgktveaeaahgtvtrhyrmyqkgqetstnpia sifawtrglahrakldnnkelaffanaleevsietieagfmtkdlaacikglpnvqrsdy lntfefmdklgenlkiklaqak