2BLE

Structure of human guanosine monophosphate reductase GMPR1 in complex with GMP

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1EEP	PDB ENTRY 1EEP

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		0.1 NA-CACODYLATE PH=6.5 17% PEG10K 0.2 M CA-ACETATE 25% GLYCEROL, pH 6.50

Crystal Properties
Matthews coefficient	Solvent content
2.4	47.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 117.78	α = 90
b = 117.78	β = 90
c = 54.42	γ = 90

Symmetry
Space Group	P 4 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MARMOSAIC 225 mm CCD	MIRRORS	2005-02-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA		SLS	X10SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.9	40	89.1	0.12	27.1	7.6		27431		2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.9	2	78.7		0.46	2.11	4.04

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1EEP	1.9	40	25997	1401	89.1	0.18	0.177	0.228	RANDOM	18.71

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
-1.99			-1.99		3.98

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.009
r_dihedral_angle_4_deg	16.615
r_dihedral_angle_3_deg	14.86
r_scangle_it	8.631
r_dihedral_angle_1_deg	6.353
r_scbond_it	6.223
r_mcangle_it	3.581
r_mcbond_it	2.333
r_angle_refined_deg	1.663
r_angle_other_deg	0.836
r_mcbond_other	0.689
r_symmetry_vdw_refined	0.269
r_nbd_refined	0.216
r_symmetry_vdw_other	0.208
r_nbd_other	0.186
r_nbtor_refined	0.185
r_xyhbond_nbd_refined	0.164
r_symmetry_hbond_refined	0.125
r_chiral_restr	0.096
r_nbtor_other	0.087
r_bond_refined_d	0.017
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2513
Nucleic Acid Atoms
Solvent Atoms	126
Heterogen Atoms	26

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XDS	data scaling
PHASER	phasing