Chains and heterogens:
PDB Chain Sequences:
>1chuA (A:) mntlpehscdvliigsgaaglslalrladqhqvivlskgpvtegstfyaqggiaavfdet dsidshvedtliagagicdrhavefvasnarscvqwlidqgvlfdthiqpngeesyhltr egghshrrilhaadatgrevettlvskalnhpnirvlertnavdlivsdkiglpgtrrvv gawvwnrnketvetchakavvlatggaskvyqyttnpdissgdgiamawragcrvanlef nqfhptalyhpqarnflltealrgegaylkrpdgtrfmpdfdergelaprdivaraidhe mkrlgadcmfldishkpadfirqhfpmiyekllglgidltqepvpivpaahytcggvmvd dhgrtdveglyaigevsytglhganrmasnslleclvygwsaaeditrrmpyahdistlp pwdesrvenpdervviqhnwhelrlfmwdyvgivrttkrleralrritmlqqeideyyah frvsnnllelrnlvqvaelivrcammrkesrglhftldypellthsgpsilspgnhyinr
>1chuA (A:) ntlpehscdvliigsgaaglslalrladqhqvivlskgpvtefdetdsidshvedtliag agicdrhavefvasnarscvqwlidqgvlttlvskalnhpnirvlertnavdlivsdkig lpgtrrvvgawvwnrnketvetchakavvlatggaskvyqyttnpdissgdgiamawrag crvanlefnqfhptalyhpqarnflltealrgegaylkrpdgtrfmpdfdergelaprdi varaidhemkrlgadcmfldishkpadfirqhfpmiyekllglgidltqepvpivpaahy tcggvmvddhgrtdveglyaigevsytglhganrmasnslleclvygwsaaeditrrmhd istlppwdesrvenpdervviqhnwhelrlfmwdyvgivrttkrleralrritmlqqeid eyyahfrvsnnllelrnlvqvaelivrcammrkesrglhftldypellthsgpsilsp