2J5V

GLUTAMATE 5-KINASE FROM ESCHERICHIA COLI COMPLEXED WITH GLUTAMYL-5-PHOSPHATE AND PYROGLUTAMIC ACID

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2AKO	PDB ENTRY 2AKO

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		1.6 M MGSO4, 0.1 M KCL, 0.1 M MES PH 6.5

Crystal Properties
Matthews coefficient	Solvent content
2.92	57.59

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 101.455	α = 90
b = 101.455	β = 90
c = 178.728	γ = 90

Symmetry
Space Group	P 41 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	MARRESEARCH	A RD COATED FLAT MIRROR AND A RD COATED TOROIDAL MIRROR	2003-10-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM16		ESRF	BM16

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	2.5	48.8	99.5	0.07	6.8	11.1		61566		1.7

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	2.5	2.64	99.5		0.42	1.7	6.2

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2AKO	2.5	88.39	31155	1667	99.5	0.195	0.192	0.244	RANDOM	37.04

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]
0.32			0.32		-0.64

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.844
r_dihedral_angle_4_deg	20.091
r_dihedral_angle_3_deg	17.168
r_dihedral_angle_1_deg	5.868
r_scangle_it	2.639
r_scbond_it	1.592
r_angle_refined_deg	1.353
r_mcangle_it	0.898
r_mcbond_it	0.515
r_nbtor_refined	0.297
r_nbd_refined	0.207
r_xyhbond_nbd_refined	0.172
r_symmetry_vdw_refined	0.136
r_symmetry_hbond_refined	0.125
r_chiral_restr	0.087
r_bond_refined_d	0.011
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4866
Nucleic Acid Atoms
Solvent Atoms	164
Heterogen Atoms	57

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing