Experiment: 2D7E

Crystal structure of N-terminal domain of PriA from E.coli

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.2	293	0.1M sodium citrate, 0.3M ammonium sulfate, pH 4.2, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.31	62.84

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 111.57	α = 90
b = 111.57	β = 90
c = 260.55	γ = 120

Symmetry
Space Group	H 3 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	ADSC QUANTUM 4		2005-04-06	M	SINGLE WAVELENGTH
2	1	x-ray		CCD	ADSC QUAMTUM 4r		2005-01-26	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL12B2	1.0000	SPring-8	BL12B2
2	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-6A	0.97899, 0.97957, 0.94000	Photon Factory	BL-6A

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	2.5	20	97.2	0.036	38.4	12.55	21937	20806			72.19

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.5	2.55	94.2		7.5	7.2	600

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.5	20	3.5	21937	19914	1418	90.8	0.2472	0.2473	0.2923	0.2902	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]
-0.207	-4.267		-2.766		2.973

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	23.81
c_angle_deg	1.485
c_improper_angle_d	1.14
c_bond_d	0.0084

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3296
Nucleic Acid Atoms
Solvent Atoms	56
Heterogen Atoms

Software

Software
Software Name	Purpose
HKL-2000	data collection
SCALEPACK	data scaling
SHARP	phasing
CNS	refinement
HKL-2000	data reduction