Chains and heterogens:
PDB Chain Sequences:
>1u94A (A:) gshmaidenkqkalaaalgqiekqfgkgsimrlgedrsmdvetistgslsldialgaggl pmgriveiygpessgkttltlqviaaaqregktcafidaehaldpiyarklgvdidnllc sqpdtgeqaleicdalarsgavdvivvdsvaaltpkaeiegeigdshmglaarmmsqamr klagnlkqsntllifinqirmkigvmfgnpetttggnalkfyasvrldirrigavkegen vvgsetrvkvvknkiaapfkqaefqilygeginfygelvdlgvkekliekagawysykge kigqgkanatawlkdnpetakeiekkvrelllsnpnstpdfsvddsegvaetnedf
>1u94A (A:) kqkalaaalgqiekqfgkgsimrlgedrsmdvetistgslsldialgagglpmgriveiy gpessgkttltlqviaaaqregktcafidaehaldpiyarklgvdidnllcsqpdtgeqa leicdalarsgavdvivvdsvaaltpkaeiegeglaarmmsqamrklagnlkqsntllif inqttggnalkfyasvrldirrigavkegenvvgsetrvkvvknkiaapfkqaefqilyg eginfygelvdlgvkekliekagawysykgekigqgkanatawlkdnpetakeiekkvre lllsnp