Chains and heterogens:
PDB Chain Sequences:
>1knpA (A:) pehscdvliigsgaaglslalrladqhqvivlskgpvtegstfyaqggiaavfdetdsid shvedtliagagicdrhavefvasnarscvqwlidqgvlfdthiqpngeesyhltreggh shrrilhaadatgrevettlvskalnhpnirvlertnavdlivsdkiglpgtrrvvgawv wnrnketvetchakavvlatggaskvyqyttnpdissgdgiamawragcrvanlefnqfh ptalyhpqarnflltealrgegaylkrpdgtrfmpdfdergelaprdivaraidhemkrl gadcmfldishkpadfirqhfpmiyekllglgidltqepvpivpaahytcggvmvddhgr tdveglyaigevsytglhganlmasnslleclvygwsaaeditrrmpyahdistlppwde srvenpdervviqhnwhelrlfmwdyvgivrttkrleralrritmlqqeideyyahfrvs nnllelrnlvqvaelivrcammrkesrglhftldypellthsgpsilsp