Chains and heterogens:
PDB Chain Sequences:
>1walA (A:) mkvavlpgdgigpevteaalkvlraldeaeglglayevfpfggaaidafgepfpeptrkg veeaeavllgsvggpkwdglprkispetgllslrksqdlfanlrpakvfpglerlsplke eiargvdvlivreltggiyfgeprgmseaeawnteryskpevervarvafeaarkrrkhv vsvdkanvlevgefwrktveevgrgypdvalehqyvdaaamhlvrsparfdvvvtgnifg dilsdlasvlpgslgllpsaslgrgtpvfepvhgsapdiagkgianptaailsaammleh afglvelarkvedavakalletpppdlggsagteaftatvlrhla