1Z05

Crystal structure of the ROK family transcriptional regulator, homolog of E.coli MLC protein.

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	295	0.1M Tris-HCl, 1.5M Ammonium SO4, 12% Glycerol, 5mM beta-mercaptoethanol, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
3	58

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 93.719	α = 90
b = 93.719	β = 90
c = 118.291	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	Mirror	2005-02-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 32-ID	1.0000	APS	32-ID

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	25	93.4	0.061	52.4	16.5	33945	33945		-3	31.6

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	2.07	100		0.402	7.9	14.7	3580

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	SAD	THROUGHOUT	2	25	31297	1651	90.94	0.18702	0.18501	0.22429	RANDOM	42.342

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]
-1.58			-1.58		3.16

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.184
r_dihedral_angle_3_deg	13.897
r_dihedral_angle_4_deg	13.076
r_dihedral_angle_1_deg	5.292
r_scangle_it	4.236
r_scbond_it	2.776
r_mcangle_it	1.671
r_angle_refined_deg	1.098
r_mcbond_it	1.048
r_nbtor_refined	0.295

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.184
r_dihedral_angle_3_deg	13.897
r_dihedral_angle_4_deg	13.076
r_dihedral_angle_1_deg	5.292
r_scangle_it	4.236
r_scbond_it	2.776
r_mcangle_it	1.671
r_angle_refined_deg	1.098
r_mcbond_it	1.048
r_nbtor_refined	0.295
r_symmetry_vdw_refined	0.188
r_nbd_refined	0.183
r_symmetry_hbond_refined	0.127
r_xyhbond_nbd_refined	0.118
r_chiral_restr	0.074
r_bond_refined_d	0.008
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3045
Nucleic Acid Atoms
Solvent Atoms	396
Heterogen Atoms	41

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
PHENIX	phasing
SHARP	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.