Chains and heterogens:
PDB Chain Sequences:
>1ra7A (A:) geiqwmrpskevgypiinapsktklepsafhyvfegvkepavltkndprlktdfeeaifs kyvgnkitevdeymkeavdhyagqlmsldinteqmcledamygtdglealdlstsagypy vamgkkkrdilnkqtrdtkemqklldtyginlplvtyvkdelrsktkveqgksrlieass lndsvamrmafgnlyaafhknpgvitgsavgcdpdlfwskipvlmeeklfafdytgydas lspawfealkmvlekigfgdrvdyidylnhshhlyknktycvkggmpsgcsgtsifnsmi nnliirtlllktykgidldhlkmiaygddviasyphevdasllaqsgkdygltmtpadks atfetvtwenvtflkrffradekypflihpvmpmkeihesirwtkdprntqdhvrslcll awhngeeeynkflakirsvpigraldlpeystlydrwldsf