Experiment: 3A2Y

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2IOB	pdb entry 2iob

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	4.5	298	0.1M acetate, 0.8M NaH2PO4, 1.2M K2HPO4, 0.1M imidazole, pH 4.5, VAPOR DIFFUSION, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.4	48.71

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 83.962	α = 90
b = 83.962	β = 90
c = 104.937	γ = 120

Symmetry
Space Group	P 64 2 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 210		2008-03-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSRRC BEAMLINE BL13C1	0.97315	NSRRC	BL13C1

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	1.95	30	99.8	0.056	61.9	13.4		16593		1

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	1.95	2.02	100		0.7	3.9	13.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	pdb entry 2iob	1.95	30	16593	15878	779	96.2	0.2057	0.2297	random	43.635

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]
-0.384	-0.925		-0.384		0.768

RMS Deviations
Key	Refinement Restraint Deviation
c_scangle_it	3.326
c_mcangle_it	2.684
c_scbond_it	2.096
c_mcbond_it	1.599
c_angle_deg	1.2567
c_bond_d	0.0062

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1479
Nucleic Acid Atoms
Solvent Atoms	131
Heterogen Atoms	29

Software

Software
Software Name	Purpose
Blu-Ice	data collection
CNS	refinement
HKL-2000	data reduction
HKL-2000	data scaling
CNS	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 R01GM157729.