Chains and heterogens:
PDB Chain Sequences:
>4tsrA (A:) qsepelklesvvivsrhgvraptkatqlmqdvtpdawptwpvklgwltprggeliaylgh yqrqrlvadgllakkgcpqsgqvaiiadtdertrktgeafaaglapdcaitvhtqvdtss pdplfnplktgvcqldnanvtdailsraggsiadftghrqtafrelervlnfpqsnlclk rekqdescsltqalpselkvsadnvaltgavslasmlteifllqqaqgmpepgwgritds hqwntllslhnaqfyllqrtpevarsratplldliktaltphppqkqaygvtlptsvlfi aghdtnlanlggalelnwtlpgqpdntppggelvferwrrlsdnsqwiqvslvfqtlqqm rdktplslntppgevkltlagceernaqgmcslagftqivnearipacsl
>4tsrA (A:) lklesvvivsrhgvraptkatqlmqdvtpdawptwpvklgwltprggeliaylghyqrqr lvadgllakkgcpqsgqvaiiadtdertrktgeafaaglapdcaitvhtqvdtsspdplf nplktgvcqldnanvtdailsraggsiadftghrqtafrelervlnfpqsnlclkrcslt qalpselkvsadnvaltgavslasmlteifllqqaqgmpepgwgritdshqwntllslhn aqfyllqrtpevarsratplldliktaltphppqkqaygvtlptsvlfiaghdtnlanlg galelnwtlpgqpdntppggelvferwrrlsdnsqwiqvslvfqtlqqmrdktplslntp pgevkltlagceernaqgmcslagftqivnearipacsl