Chains and heterogens:
PDB Chain Sequences:
>1kit_ (-) alfdynatgdtefdspakqgwmqdntnngsgvltnadgmpawlvqgiggraqwtyslstn qhaqassfgwrmttemkvlsggmitnyyangtqrvlpiisldssgnlvvefegqtgrtvl atgtaateyhkfelvflpgsnpsasfyfdgklirdniqptaskqnmivwgngssntdgva ayrdikfeiqgdvifrgpdripsivassvtpgvvtafaekrvgggdpgalsntndiitrt srdggitwdtelnlteqinvsdefdfsdprpiydpssntvlvsyarwptdaaqngdrikp wmpngifysvydvasgnwqapidvtdqvkersfqiagwggselyrrntslnsqqdwqsna kirivdgaanqiqvadgsrkyvvtlsidesgglvanlngvsapiilqsehakvhsfhdye lqysalnhtttlfvdgqqittwagevsqenniqfgnadaqidgrlhvqkivltqqghnlv efdafylaqqtpevekdleklgwtkiktgntmslygnasvnpgpghgitltrqqnisgsq ngrliypaivldrfflnvmsiysddggsnwqtgstlpipfrwksssiletlepseadmve lqngdllltarldfnqivngvnysprqqflskdggitwslleannanvfsnistgtvdas itrfeqsdgshfllftnpqgnpagtngrqnlglwfsfdegvtwkgpiqlvngasaysdiy qldsenaivivetdnsnmrilrmpitllkqkltlsqn