2QC8

Crystal structure of human glutamine synthetase in complex with ADP and methionine sulfoximine phosphate

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7	298	1.1M Sodium malonate, 0.5% Jeffamine ED-2001, 0.1M HEPES, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K, pH 7.00

Crystal Properties
Matthews coefficient	Solvent content
2.48	50.31

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 181.21	α = 90
b = 126.08	β = 92.14
c = 188.17	γ = 90

Symmetry
Space Group	C 1 2 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	ADSC QUANTUM 315		2007-02-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29		ESRF	ID29

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.6	40	99.8	0.12	0.092	15.6	7.5		129787

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.6	2.7	100		0.526	0.324	4.1	7.2

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 2OJW	2.6	39.94	123433	6497	100	0.168	0.166	0.217	RANDOM	37.49

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.616
r_dihedral_angle_4_deg	16.467
r_dihedral_angle_3_deg	14.998
r_dihedral_angle_1_deg	11.089
r_scangle_it	2.178
r_angle_refined_deg	1.592
r_scbond_it	1.491
r_angle_other_deg	0.943
r_mcangle_it	0.893
r_mcbond_it	0.72
r_symmetry_vdw_refined	0.438
r_symmetry_vdw_other	0.293
r_nbd_refined	0.213
r_nbd_other	0.202
r_nbtor_refined	0.186
r_xyhbond_nbd_refined	0.141
r_mcbond_other	0.133
r_chiral_restr	0.1
r_symmetry_hbond_refined	0.087
r_nbtor_other	0.086
r_bond_refined_d	0.015
r_gen_planes_refined	0.007
r_bond_other_d	0.002
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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	28146
Nucleic Acid Atoms
Solvent Atoms	231
Heterogen Atoms	460

Software

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