Experiment: 6AMS

Crystal structure of the DNA polymerase III subunit beta from Pseudomonas aeruginosa

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4K3S

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6	294	0.1 M phosphate-citrate pH 6.0, 40% (w/v) ethanol, 5% (w/v) PEG 1000

Crystal Properties
Matthews coefficient	Solvent content
2.45	49.81

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.498	α = 63.43
b = 79.732	β = 72.2
c = 86.302	γ = 87.08

Symmetry
Space Group	P 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	CCD	ADSC QUANTUM 210r		2014-04-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX1	0.95	Australian Synchrotron	MX1

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	2.4	37.34	94	0.108	9.3	3.4		56764

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	2.4	2.44	90.2		0.587		2.9

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-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	4K3S	2.39	37.34	53778	2846	92.76	0.2462	0.2442	0.2558	0.2826	0.2977	RANDOM	36.635

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]
-0.04	0.02	0.02	0.02	-0.03	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11274
Nucleic Acid Atoms
Solvent Atoms	55
Heterogen Atoms	20

Software

Software
Software Name	Purpose
REFMAC	refinement
Blu-Ice	data collection
PDB_EXTRACT	data extraction
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing