Chains and heterogens:
PDB Chain Sequences:
>1r2vA (A:) yklicyytswsqyregdgscfpdaidpflcthviysfanisnneidtwewndvtlydtln tlknrnpklktllsvggwnfgperfsaiasktqsrrtfiksvppflrthgfdgldlawly pgrrdkrhlttlvkemkaefireaqagteqlllsaavsagkiaidrgydiaqisrhldfi slltydfhgawrqtvghhsplfagnedassrfsnadyavsymlrlgapanklvmgiptfg rsftlassktdvgapvsgpgvpgrftkekgilayyeicdflhgatthrfrdqqvpyatkg nqwvayddqesvknkarylknrqlagamvwaldlddfrgtfcgqnltfpltsavkdvlae v