1A28 X-ray 1.80 A PRGR_HUMAN P06401 1E3K X-ray 2.80 A PRGR_HUMAN P06401 1SQN X-ray 1.45 A PRGR_HUMAN P06401 1SR7 X-ray 1.46 A PRGR_HUMAN P06401 1ZUC X-ray 2.00 A PRGR_HUMAN P06401 2C7A X-ray 2.50 A PRGR_HUMAN P06401 2OVH X-ray 2.00 A PRGR_HUMAN P06401 2OVM X-ray 2.60 A PRGR_HUMAN P06401 2W8Y X-ray 1.80 A PRGR_HUMAN P06401 3D90 X-ray 2.26 A PRGR_HUMAN P06401 3G8N X-ray 2.10 A PRGR_HUMAN P06401 3G8O X-ray 1.90 A PRGR_HUMAN P06401 3HQ5 X-ray 2.10 A PRGR_HUMAN P06401 3KBA X-ray 2.00 A PRGR_HUMAN P06401