2GBC X-ray 2.80 A DPP4_RAT P14740 2GBF X-ray 3.10 A DPP4_RAT P14740 2GBG X-ray 3.00 A DPP4_RAT P14740 2GBI X-ray 3.30 A DPP4_RAT P14740 2I3Z X-ray 2.90 A DPP4_RAT P14740 2OAE X-ray 3.00 A DPP4_RAT P14740