1O1Y

Crystal structure of a glutamine amidotransferase (tm1158) from thermotoga maritima at 1.70 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION,SITTING DROP,NANODROP	9	293	2.4 M Ammonium Sulfate; 0.1 M Bicine pH 9.0, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 293K
2	VAPOR DIFFUSION,SITTING DROP,NANODROP	5	293	2.4 M Ammonium Sulfate; 0.1 M Citric Acid pH 5.0, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 293K

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 92.362	α = 90
b = 92.362	β = 90
c = 135.833	γ = 120

Symmetry
Space Group	P 65 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	APS-1	Flat mirror,single crystal Si(311) bent monochromator	2002-10-26	M	MAD
2	1	x-ray		CCD	ADSC QUANTUM 315		2002-11-24	M	MAD
1,2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1		SSRL	BL11-1
2	SYNCHROTRON	APS BEAMLINE 19-BM	0.979, 0.991	APS	19-BM

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	1.7	39.403	94.9	0.086	16	8.2	36314	36314

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	1.7	1.79	72.8		0.643	1.7	3.4	3969

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	1.7	39.4	34513	1800	94.79	0.14651	0.14516	0.17242	RANDOM	13.858

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]
1.23	0.62		1.23		-1.85

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	7.91
r_dihedral_angle_1_deg	5.802
r_scbond_it	5.087
r_mcangle_it	2.176
r_angle_refined_deg	1.522
r_mcbond_it	1.187
r_angle_other_deg	0.812
r_symmetry_vdw_other	0.325
r_symmetry_hbond_refined	0.295
r_nbd_other	0.252
r_xyhbond_nbd_refined	0.219
r_nbd_refined	0.21
r_symmetry_vdw_refined	0.149
r_chiral_restr	0.096
r_nbtor_other	0.082
r_bond_refined_d	0.016
r_gen_planes_refined	0.008
r_gen_planes_other	0.008
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	1922
Nucleic Acid Atoms
Solvent Atoms	358
Heterogen Atoms	45

Software

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