2VPI

Human GMP synthetase - glutaminase domain

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.5		0.2 M AMMONIUM ACETATE 0.1 M BIS-TRIS PH 5.5 25% PEG 3350

Crystal Properties
Matthews coefficient	Solvent content
2.38	40.11

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 35.68	α = 90
b = 120.88	β = 106.43
c = 47.32	γ = 90

Symmetry
Space Group	P 1 21 1

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	MIRRORS	2007-11-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-2		ESRF	ID23-2

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	2.4	20	96	0.14	11.52	4.13		14466		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	2.4	2.5	92.4		0.56	2.96	3.88

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 1GPM	2.4	19.77	13703	733	96.1	0.206	0.203	0.261	RANDOM	16.35

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]
0.06		0.61	-0.37		0.65

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.269
r_dihedral_angle_4_deg	21.629
r_dihedral_angle_3_deg	16.053
r_dihedral_angle_1_deg	5.997
r_scangle_it	2.55
r_scbond_it	1.516
r_angle_refined_deg	1.227
r_mcangle_it	0.954
r_mcbond_it	0.55
r_nbtor_refined	0.302
r_nbd_refined	0.186
r_symmetry_vdw_refined	0.184
r_xyhbond_nbd_refined	0.172
r_symmetry_hbond_refined	0.169
r_chiral_restr	0.076
r_bond_refined_d	0.011
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_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	2837
Nucleic Acid Atoms
Solvent Atoms	100
Heterogen Atoms

Software

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