Experiment: 3E0E

Crystal structure of a domain of replication protein A from Methanococcus maripaludis. NorthEast Structural Genomics targe MrR110B

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5	293	Sodium chloride 0.1 M, Sodium Acetate 0.1 M, PEG 4000 40%, pH 5, Micro batch under oil method, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.81	31.87

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 25.263	α = 90
b = 54.896	β = 90
c = 56.223	γ = 90

Symmetry
Space Group	P 21 21 21

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 210	Mirrors	2008-06-29	M	SINGLE WAVELENGTH
2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4A	0.979	NSLS	X4A
2	SYNCHROTRON	NSLS BEAMLINE X4C	0.979	NSLS	X4C

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.6	50	99.7	0.048	0.044		21.4		19963			17.5

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.6	1.66	98.7		0.225	0.213	19.5	3.3	1987

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-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.6	39.28	19559	1146	97.9	0.234	0.234	0.2521	0.269	0.2538	RANDOM	18.2

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]
1.54			-1.13		-0.41

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	26.6
c_angle_deg	1.4
c_improper_angle_d	0.74
c_bond_d	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	687
Nucleic Acid Atoms
Solvent Atoms	104
Heterogen Atoms

Software

Software
Software Name	Purpose
CNS	refinement
ADSC	data collection
HKL-2000	data reduction
HKL-2000	data scaling
SHELXS	phasing