2C6Q

Crystal structure of human guanosine monophosphate reductase 2 GMPR2 in complex with IMP and NADPH

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2BZN	PDB ENTRY 2BZN

Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.37	47.68

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 131.676	α = 90
b = 141.366	β = 90
c = 164.318	γ = 90

Symmetry
Space Group	P 21 21 21

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	MARRESEARCH		2005-08-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1		BESSY	14.1

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	1.7	10	99.3	0.09	14.5	6.6		332307		-3

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	1.7	1.8	99.7		0.51	3.9	6.6

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 2BZN	1.7	10	315592	16714	99.9	0.165	0.163	0.206	RANDOM	23.35

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]
0.36			0.64		-1.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.351
r_dihedral_angle_3_deg	14.082
r_dihedral_angle_4_deg	13.295
r_dihedral_angle_1_deg	6.403
r_scangle_it	5.471
r_scbond_it	4.221
r_mcangle_it	2.453
r_mcbond_it	2.155
r_angle_refined_deg	1.76
r_angle_other_deg	0.889
r_symmetry_vdw_other	0.268
r_nbd_refined	0.215
r_nbd_other	0.195
r_xyhbond_nbd_refined	0.184
r_nbtor_refined	0.182
r_symmetry_hbond_refined	0.181
r_symmetry_vdw_refined	0.157
r_chiral_restr	0.103
r_nbtor_other	0.088
r_bond_refined_d	0.019
r_gen_planes_refined	0.007
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_mcbond_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	19909
Nucleic Acid Atoms
Solvent Atoms	2569
Heterogen Atoms	520

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling