2F8J

Crystal structure of Histidinol-phosphate aminotransferase (EC 2.6.1.9) (Imidazole acetol-phosphate transferase) (tm1040) from Thermotoga maritima at 2.40 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP, NANODROP	6.5	293	0.2M MgCl2, 20.0% PEG-1000, 0.1M Cacodylate, pH 6.5, VAPOR DIFFUSION, SITTING DROP, NANODROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.4	48.32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 145.156	α = 90
b = 187.453	β = 90
c = 54.316	γ = 90

Symmetry
Space Group	P 21 21 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 315	double crystal monochromator	2005-02-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	1.000001	SSRL	BL9-2

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	29.8	91.7	0.079	9.3	2.7		54470

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	2.44	90.1		0.562	1.8	2.6

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	pdb entry 1uu0	2.4	29.6	51626	2745	91.54	0.185	0.18469	0.182	0.238	RANDOM	53.956

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]
2.09			-1.39		-0.7

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.403
r_dihedral_angle_4_deg	19.709
r_dihedral_angle_3_deg	14.307
r_dihedral_angle_1_deg	5.902
r_scangle_it	5.549
r_scbond_it	3.733
r_mcangle_it	1.896
r_angle_refined_deg	1.228
r_mcbond_it	1.178
r_angle_other_deg	0.798
r_mcbond_other	0.302
r_symmetry_vdw_other	0.257
r_nbd_refined	0.19
r_nbtor_refined	0.18
r_nbd_other	0.177
r_symmetry_hbond_refined	0.154
r_xyhbond_nbd_refined	0.152
r_symmetry_vdw_refined	0.14
r_nbtor_other	0.083
r_chiral_restr	0.068
r_xyhbond_nbd_other	0.056
r_bond_refined_d	0.011
r_gen_planes_refined	0.004
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10520
Nucleic Acid Atoms
Solvent Atoms	339
Heterogen Atoms	116

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing