3STJ

Crystal structure of the protease + PDZ1 domain of DegQ from Escherichia coli

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	5.4	291	24% PEG6000, 5% PEG100, 10% glycerol, 0.1M MES pH5.4, VAPOR DIFFUSION, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.51	50.94

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 115.316	α = 90
b = 115.316	β = 90
c = 287.419	γ = 120

Symmetry
Space Group	P 31

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		2006-04-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.96860	ESRF	ID14-4

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.6	20	95.4			124692	124692	-3	-3	68.23

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	MOLECULAR REPLACEMENT	THROUGHOUT	2.6	19.94	124692	124692	6289		0.1857	0.1857	0.1843	0.212	RANDOM	60.28

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]
3.4936			3.4936		-6.9873

RMS Deviations
Key	Refinement Restraint Deviation
t_omega_torsion	3.5
t_other_torsion	3.13
t_angle_deg	1.32
t_bond_d	0.01
t_dihedral_angle_d
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_gen_planes
t_it

RMS Deviations
Key	Refinement Restraint Deviation
t_omega_torsion	3.5
t_other_torsion	3.13
t_angle_deg	1.32
t_bond_d	0.01
t_dihedral_angle_d
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion
t_chiral_improper_torsion
t_sum_occupancies
t_utility_distance
t_utility_angle
t_utility_torsion
t_ideal_dist_contact

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	26483
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
DNA	data collection
PHASER	phasing
BUSTER	refinement
DENZO	data reduction
SCALEPACK	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.