1OPC

OMPR DNA-BINDING DOMAIN, ESCHERICHIA COLI

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		PROTEIN WAS CRYSTALLIZED FROM 3% POLYETHYLENEGLYCOL-MONOMETHYLETHER (PMME) 5000, 17.5% ETHYLENEGLYCOL, 2.5% MPD, 30 MM MES, PH 6.5; THEN SOAKED IN 10% PMME 5000, 20% ETHYLENEGLYCOL, 10% PEG 200, 200 MM AMMONIUM SULFATE, 30 MM MES, PH 6.5

Crystal Properties
Matthews coefficient	Solvent content
2.45	41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.14	α = 90
b = 59.14	β = 90
c = 58.11	γ = 120

Symmetry
Space Group	P 32 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	FUJI	MONOCHROMATOR	1996-06-21	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4A	0.9686, 0.9876	NSLS	X4A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	1.95	10	97.1	0.046	10.8	7.1		8604		-3	16.78

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)
	1.95	2	98.7		0.086	6.9	5.6

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-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.95	5	8195	7807	388	97.1	0.228	0.269	RANDOM	20.7

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]

RMS Deviations
Key	Refinement Restraint Deviation
p_special_tor	31.6
p_transverse_tor	22.6
p_staggered_tor	20
p_planar_tor	7.9
p_scangle_it	2.943
p_mcangle_it	2.605
p_mcbond_it	1.933
p_scbond_it	1.696
p_multtor_nbd	0.268
p_singtor_nbd	0.195
p_xyhbond_nbd	0.159
p_chiral_restr	0.137
p_planar_d	0.037
p_angle_d	0.036
p_bond_d	0.017
p_plane_restr	0.016
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	806
Nucleic Acid Atoms
Solvent Atoms	85
Heterogen Atoms

Software

Software
Software Name	Purpose
MADSYS	phasing
PROLSQ	refinement
DENZO	data reduction
SCALEPACK	data scaling