Chains and heterogens:
PDB Chain Sequences:
>1k92A (A:) ttilkhlpvgqrigiafsggldtsaallwmrqkgavpyaytanlgqpdeedydaiprram eygaenarlidcrkqlvaegiaaiqcgafhnttggltyfnttplgravtgtmlvaamked gvniwgdgstykgndierfyryglltnaelqiykpwldtdfidelggrhemsefmiacgf dykmsvekaystdsnmlgatheakdleylnssvkivnpimgvkfwdesvkipaeevtvrf eqghpvalngktfsddvemmleanriggrhglgmsdqienriieaksrgiyeapgmallh iayerlltgihnedtieqyhahgrqlgrllyqgrwfdsqalmlrdslqrwvasqitgevt lelrrgndysilntvsenltykperltmekgdsvfspddrigqltmrnlditdtreklfg yaktgllsssaasgvpqvenlenk