Experiment: 1OB4

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.6		0.1 M NAAC/HAC PH=4.6, 34% ETOH, pH 4.60

Crystal Properties
Matthews coefficient	Solvent content
1.57	22

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 30.534	α = 90
b = 37.787	β = 90
c = 9.115	γ = 90

Symmetry
Space Group	P 21 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	BRUKER SMART 6000	MIRRORS	2002-02-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	BRUKER M06XCE

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	0.95	37.8	98.6	0.0431	29.21	9.45		7025

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	0.95	1.05	96.6		0.1156	10.67	4.66

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	DIRECT METHODS	FREE R-VALUE	0.95	37.8	7025	353	98.6	0.0872	0.0858		0.112	RANDOM

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
2	124	133.28

RMS Deviations
Key	Refinement Restraint Deviation
s_from_restr_planes	0.416
s_zero_chiral_vol	0.149
s_non_zero_chiral_vol	0.112
s_approx_iso_adps	0.082
s_similar_adp_cmpnt	0.046
s_angle_d	0.035
s_anti_bump_dis_restr	0.035
s_bond_d	0.017
s_similar_dist	0.015
s_rigid_bond_adp_cmpnt	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	119
Nucleic Acid Atoms
Solvent Atoms	15
Heterogen Atoms	3

Software

Software
Software Name	Purpose
SHELXL-97	refinement
SAINT	data reduction
SADABS	data scaling
SHELXD	phasing

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.