Experiment: 3IMO

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		local model built from low resolution SAD data from p212121 selenomethionine crystals

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION		296	20% PEG 3350, 0.20M Lithium acetate, Cryoprotectant: Perfluoropolyether PFO-X175/08 (Hampton Research), VAPOR DIFFUSION, temperature 296K

Crystal Properties
Matthews coefficient	Solvent content
2.02	39.22

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 119.899	α = 90
b = 64.705	β = 131.26
c = 81.853	γ = 90

Symmetry
Space Group	C 1 2 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	MARMOSAIC 300 mm CCD		2008-08-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-B	1.03319	APS	23-ID-B

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	1.8	45.08	99.9	0.066	0.077	12.3	3.8	43702	43702			30.693

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	1.8	1.9	100		0.629	0.737	1.8	3.7	6365

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	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	local model built from low resolution SAD data from p212121 selenomethionine crystals	1.8	32.568	1.22	85415	41948	4294	99.67	0.1953	0.1953	0.1934	0.19	0.2296	0.23	RANDOM	45.852

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]
6.133		7.374	-0.548		-5.585

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.024
f_angle_d	0.944
f_chiral_restr	0.059
f_bond_d	0.007
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3435
Nucleic Acid Atoms
Solvent Atoms	208
Heterogen Atoms	8

Software

Software
Software Name	Purpose
Blu-Ice	data collection
PHENIX	model building
PHENIX	refinement
MOSFLM	data reduction
SCALA	data scaling
PHENIX	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.