Experiment: 4DMR

REDUCED DMSO REDUCTASE FROM RHODOBACTER CAPSULATUS WITH BOUND DMSO SUBSTRATE

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		OXIDISED STRUCTURE FOR DIFFERENCES IN DIFFERENCE MAP

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.5		0.1M CITRATE BUFFER, PH 4.8 - 5.2 20 - 3% PEG 4000 20% ETHANOL, pH 5.5 A FEW UL OF NEAT DMS (DIMETHYL SULFIDE) WAS ADDED TO THE DROP CONTAINING THE CRYSTAL IMMEDIATELY BEFORE DATA COLLECTION.

Crystal Properties
Matthews coefficient	Solvent content
2.11	35.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.97	α = 90
b = 80.97	β = 90
c = 230.13	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	1996-10-03	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX9.6		SRS	PX9.6

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	1.9	17.3	96.6	0.096	6	3.9		58725

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)
	1.9	2.03	96.6		0.282	2.3	3.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	DIFFERENCE MAPS USING OXIDISED STRUCTURE	USE OF SINGLE FREE R SET	OXIDISED STRUCTURE FOR DIFFERENCES IN DIFFERENCE MAP	1.9	20	58725	3033	96.6	0.15986	0.1656	0.19617	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	539
Heterogen Atoms	98

Software

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