2AKO

Crystal structure of Glutamate 5-kinase from Campylobacter jejuni

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	293	23% PEG 3350, .1M Hepes 7.5, .2M NaMalonate, Cryo 30% sucrose, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.59	52.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 98.597	α = 90
b = 99.409	β = 90
c = 124.547	γ = 90

Symmetry
Space Group	P 21 21 21

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		2005-02-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A	.9791	NSLS	X29A

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	2.2	20	96.1	0.103	10.4	3.7	59989	59989		-3

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)
	2.2	2.28	89.6		0.326	3.2	3	5524

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Number Reflections (All)	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	SAD	THROUGHOUT	2.2	20	-3	59953	59953	3043	95.71	0.18005	0.18005	0.17777	0.2213	RANDOM	23.856

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]
-0.62			-0.85		1.46

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.842
r_dihedral_angle_4_deg	18.193
r_dihedral_angle_3_deg	14.45
r_dihedral_angle_1_deg	5.992
r_scangle_it	2.224
r_scbond_it	1.576
r_angle_refined_deg	1.208
r_mcangle_it	1.014
r_mcbond_it	0.841
r_angle_other_deg	0.741
r_symmetry_vdw_other	0.256
r_nbd_refined	0.201
r_nbtor_refined	0.173
r_nbd_other	0.169
r_xyhbond_nbd_refined	0.169
r_symmetry_vdw_refined	0.145
r_symmetry_hbond_refined	0.126
r_mcbond_other	0.113
r_nbtor_other	0.081
r_chiral_restr	0.065
r_bond_refined_d	0.011
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7570
Nucleic Acid Atoms
Solvent Atoms	712
Heterogen Atoms	135

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing