Chains and heterogens:
PDB Chain Sequences:
>7celA (A:) esactlqsethppltwqkcssggtctqqtgsvvidanwrwthatnsstncydgntwsstl cpdnetcaknccldgaayastygvttsgnslsidfvtqsaqknvgarlylmasdttyqef tllgnefsfdvdvsqlpcglngalyfvsmdadggvskyptntagakygtgycdsqcprdl kfingqanvegwepssnnantgigghgsccsemdiwqansisealtphpcttvgqeiceg dgcggtysdnryggtcdpdgcdwnpyrlgntsfygpgssftldttkkltvvtqfetsgai nryyvqngvtfqqpnaelgsysgnelnddyctaeeaefggssfsdkggltqfkkatsggm vlvmslwddyyanmlwldstyptnetsstpgavrgscstssgvpaqvesqspnakvtfsn ikfgpigstgnpsg