Experiment: 3DMR

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7		0.1M CITRATE BUFFER, PH 4.8 - 5.2 20 - 3% PEG 4000 20% ETHANOL. CRYSTALS SOAKED IN 0.1M MES. PH 7.0 BEFORE DATA COLLECTION. CRYSTALS WERE SOAKED IN 0.1M MES BUFFER AT PH 7.0 FOR 10 MINUTES BEFORE DATA COLLECTION.

Crystal Properties
Matthews coefficient	Solvent content
2.07	33.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.45	α = 90
b = 80.45	β = 90
c = 229.11	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	277	IMAGE PLATE	MARRESEARCH	MIRRORS	1996-11-15	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX9.5		SRS	PX9.5

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	2.6	20	83.8	0.106	5.7	2.5		21981

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)
	2.5	2.67	76.3		0.217	3.2	2.1

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-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	DIFFERENCE MAPS FROM OXIDISED STRUCTURE (BNL-5270)	USE OF SINGLE FREE R SET	2.5	20	27981	1144	83.8	0.181	0.242	EVERY 20TH

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]

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6422
Nucleic Acid Atoms
Solvent Atoms	467
Heterogen Atoms	95

Software

Software
Software Name	Purpose
CCP4	model building
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling
CCP4	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 R01GM133198.