2HOE

Crystal structure of N-acetylglucosamine kinase (TM1224) from Thermotoga maritima at 2.46 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP, NANODROP	7	277	0.2M KThioCyanate, 20.0% PEG-3350, No Buffer, pH 7.0, VAPOR DIFFUSION, SITTING DROP, NANODROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.29	46.39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.599	α = 90
b = 62.599	β = 90
c = 173.95	γ = 120

Symmetry
Space Group	P 31 1 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	Flat collimating mirror, toroid focusing mirror	2004-06-11	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.891940, 0.979083, 0.979251	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	2.46	46.029	96.7	0.125	9.25	5.42		14118			47.99

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	2.46	2.55	91.9		0.91	1.79		1464

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	2.46	33.93	14086	710	97.38	0.219	0.216	0.271	RANDOM	39.153

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]
0.25	0.13		0.25		-0.38

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.589
r_dihedral_angle_4_deg	13.243
r_dihedral_angle_3_deg	11.417
r_scangle_it	6.249
r_scbond_it	4.127
r_dihedral_angle_1_deg	4.108
r_mcangle_it	2.256
r_mcbond_it	1.183
r_angle_refined_deg	1.031
r_angle_other_deg	0.625
r_nbd_refined	0.229
r_mcbond_other	0.211
r_symmetry_vdw_refined	0.195
r_nbd_other	0.191
r_nbtor_refined	0.181
r_symmetry_vdw_other	0.163
r_metal_ion_refined	0.14
r_xyhbond_nbd_refined	0.126
r_symmetry_hbond_refined	0.124
r_nbtor_other	0.086
r_chiral_restr	0.064
r_bond_refined_d	0.013
r_bond_other_d	0.001
r_gen_planes_refined	0.001
r_gen_planes_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2652
Nucleic Acid Atoms
Solvent Atoms	15
Heterogen Atoms	7

Software

Software
Software Name	Purpose
MolProbity	model building
REFMAC	refinement
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
SHARP	phasing