Chains and heterogens:
PDB Chain Sequences:
>1g2uA (A:) mkvavlpgdgigpevteaalkvlraldeaeglglayevfpfggaaidafgepfpeptrkg veeaeavllgsvggpkwdglprkirpetgllslrksqdlfanlrpakvfpglerlsplke eiargvdvlivreltggiyfgeprgmseaeawnteryskpevervarvafevarkrrkhv vsvdkanvlevgefwrktveevgrgypdvalehqyvdamamhlvrsparfdvvvtgnifg dilsdlasvlpgslgllpsaslgrgtpvfepvhgsapdiagkgianptaailsaammleh afglvelarkvedavakalletpppdlggsagteaftatvlrhla