Chains and heterogens:
PDB Chain Sequences:
>1kszA (A:) gnnvvvlgtqwgdegkgkivdllterakyvvryqgghnaghtlvingektvlhlipsgil renvtsiigngvvlspaalmkemkeledrgipvrerlllseacplildyhvaldnareka rgakaigttgrgigpayedkvarrglrvgdlfdketfaeklkevmeyhnfqlvnyykaea vdyqkvlddtmavadiltsmvvdvsdlldqarqrgdfvmfegaqgtlldidhgtypyvts snttaggvatgsglgpryvdyvlgilkaystrvgagpfptelfdetgeflckqgnefgat tgrrrrtgwldtvavrravqlnslsgfcltkldvldglkevklcvayrmpdgrevtttpl aaddwkgvepiyetmpgwsestfgvkdrsglpqaalnyikrieeltgvpidiistgpdrt etmilrdpfda