1O20

Crystal structure of Gamma-glutamyl phosphate reductase (TM0293) from Thermotoga maritima at 2.00 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.4	293	15% PEG MME 5000(30%), 0.06M Tris Cl(1M), 0.04M Tris_base(1M), VAPOR DIFFUSION,SITTING DROP,NANODROP, pH 8.40, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.57	51.67

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 105.15	α = 90
b = 111.33	β = 90
c = 86.83	γ = 90

Symmetry
Space Group	C 2 2 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	ADSC QUANTUM		2002-09-20	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.2	0.9793, 0.9566, 0.9794	ALS	5.0.2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	50	100	0.087	20.46	8.55		34597

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.07	99.5		0.607	3.33	7.44

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	MAD	THROUGHOUT	2	38.22	30837	2521	95.9	0.163	0.16	0.203	RANDOM	18.69

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]
-0.39			1.02		-0.64

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.116
r_scangle_it	4.321
r_scbond_it	2.55
r_angle_refined_deg	1.532
r_mcangle_it	1.49
r_angle_other_deg	0.843
r_mcbond_it	0.816
r_symmetry_vdw_other	0.357
r_symmetry_hbond_refined	0.337
r_nbd_other	0.244
r_nbd_refined	0.202
r_xyhbond_nbd_refined	0.178
r_symmetry_vdw_refined	0.145
r_chiral_restr	0.093
r_nbtor_other	0.087
r_bond_refined_d	0.016
r_gen_planes_refined	0.007
r_gen_planes_other	0.006
r_bond_other_d	0.002
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3227
Nucleic Acid Atoms
Solvent Atoms	299
Heterogen Atoms

Software

Software
Software Name	Purpose
MOSFLM	data reduction
CCP4	data reduction
SCALEPACK	data scaling
SOLVE	phasing
RESOLVE	model building
REFMAC	refinement
CCP4	data scaling
RESOLVE	phasing