3CRA | pdb_00003cra

Crystal Structure of Escherichia coli MazG, the Regulator of Nutritional Stress Response

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.5	298	0.1M trisodium citrate(pH 5.5), 0.2M ammonium acetate, 20% polyethylene glycol 4000, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.43	49.46

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.789	α = 90
b = 67.568	β = 90
c = 140.425	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 210		2006-10-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PAL/PLS BEAMLINE 6C1	1.23985	PAL/PLS	6C1

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	50		0.038				41095	1	1

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)
	2	2.07			0.324			41095

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.1	28.47	32201	1711	95.23	0.22924	0.22623	0.2377	0.28394	0.2393	RANDOM	45.781

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]
0.01			0.06		-0.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.794
r_dihedral_angle_3_deg	21.461
r_dihedral_angle_4_deg	19.199
r_dihedral_angle_1_deg	9.227
r_scangle_it	4.699
r_scbond_it	3.274
r_angle_refined_deg	2.2
r_mcangle_it	2.089
r_mcbond_it	1.371
r_nbtor_refined	0.313
r_nbd_refined	0.272
r_symmetry_vdw_refined	0.228
r_xyhbond_nbd_refined	0.195
r_chiral_restr	0.194
r_symmetry_hbond_refined	0.163
r_bond_refined_d	0.024
r_gen_planes_refined	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3762
Nucleic Acid Atoms
Solvent Atoms	108
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
HKL-2000	data reduction
HKL-2000	data scaling
SOLVE	phasing