Chains and heterogens:
PDB Chain Sequences:
>1as3A (A:) gctlsaedkaaverskmidrnlredgekaarevkllllgavesgkstivkqmkiiheagy seeeckqykavvysntiqsiiaiiramgrlkidfgdaaraddarqlfvlagaaeegfmta elagvikrlwkdsgvqacfnrsreyqlndsaayylndldriaqpnyiptqqdvlrtrvkt tgivethftfkdlhfkmfdvggqrserkkwihcfegvtaiifcvalsdydlvlaedeemn rmhesmklfdsicnnkwftdtsiilflnkkdlfeekikksplticypeyagsntyeeaaa yiqcqfedlnkrkdtkeiythftcatdtknvqfvfdavtdviiknnlkdcglf
>1as3A (A:) dkaaverskmidrnlredgekaarevkllllgavesgkstivkqmkiiheagyseeeckq ykavvysntiqsiiaiiramgrlkidfgdaaraddarqlfvlagaaeegfmtaelagvik rlwkdsgvqacfnrsreyqlndsaayylndldriaqpnyiptqqdvlrtrvkttgiveth ftfkdlhfkmfdvggqfegvtaiifcvalsdydlvmnrmhesmklfdsicnnkwftdtsi ilflnkkdlfeekikksplticypeyagsntyeeaaayiqcqfedlnkrkdtkeiythft catdtknvqfvfdavtdviiknnlkdcglf