Pup Pup
C-terminaldomain
Dop(a)
ADP
Substrate
PafA
ATP
Pup-C
NHR
O
H2O NH3R
Dop•ATPPup-C
O-
OPafA
O-PO32-
ATP ADP
PafARNH2
PO42-
(b)
Pi
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