1VR8

Crystal structure of GTP binding regulator (TM1622) from Thermotoga Maritima at 1.75 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5	277	12.0% PEG-20000, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, NANODROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.32	46.46

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.73	α = 90
b = 57.73	β = 90
c = 87.944	γ = 120

Symmetry
Space Group	P 32 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 210		2005-01-22	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1	0.99186, 0.97951, 0.97933	ALS	8.2.1

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	1.75	29.31	93.2	0.068	14.4	4.4		16407			25.41

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	1.75	1.85	63.9		0.339	2.3	1.7	1586

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	1.75	29.31	15549	832	93.16	0.15019	0.1486	0.18179	RANDOM	23.241

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]
-0.02	-0.01		-0.02		0.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.444
r_dihedral_angle_3_deg	12.467
r_dihedral_angle_4_deg	10.793
r_dihedral_angle_1_deg	5.627
r_scangle_it	4.192
r_scbond_it	3.196
r_mcangle_it	2.897
r_mcbond_it	2.299
r_angle_refined_deg	1.49
r_angle_other_deg	0.738
r_mcbond_other	0.554
r_symmetry_vdw_other	0.245
r_symmetry_hbond_refined	0.225
r_nbd_refined	0.195
r_nbtor_refined	0.187
r_nbd_other	0.171
r_symmetry_vdw_refined	0.164
r_xyhbond_nbd_refined	0.15
r_chiral_restr	0.09
r_nbtor_other	0.085
r_bond_refined_d	0.014
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1098
Nucleic Acid Atoms
Solvent Atoms	172
Heterogen Atoms	24

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
SHELXD	phasing
autoSHARP	phasing
REFMAC	refinement
CCP4	data scaling