Chains and heterogens:
PDB Chain Sequences:
>4pfk_ (-) mkrigvltsggdspgmnaairsvvrkaiyhgvevygvyhgyagliagnikklevgdvgdi ihrggtilytarcpefkteegqkkgieqlkkhgiqglvviggdgsyqgakkltehgfpcv gvpgtidndipgtdftigfdtalntvidaidkirdtatshertyvievmgrhagdialws glaggaetilipeadydmndviarlkrghergkkhsiiivaegvgsgvdfgrqiqeatgf etrvtvlghvqrggsptafdrvlasrlgaravelllegkggrcvgiqnnqlvdhdiaeal ankhtidqrmyalskelsi