Experiment: 2Z18

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2D4J	PDB Entry 2D4J

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	Dehydration induced phase transition		293	10% NaCl, temperature-regulated nitrogen gas, Dehydration induced phase transition, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.64	24.79

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 26.622	α = 90
b = 60.588	β = 111.44
c = 31.223	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	90	CCD	BRUKER SMART 6000	Montel optics	2006-12-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	MACSCIENCE	1.5418

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	1.15	50	99.6	0.104		4.73	32860	32729

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)
	1.15	1.19	99.9		0.09		3.09	3284

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-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SHELX-97	THROUGHOUT	PDB Entry 2D4J	1.15	25	32603	1630		0.156	0.176	Random	9.04

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]

RMS Deviations
Key	Refinement Restraint Deviation
s_non_zero_chiral_vol	0.073
s_zero_chiral_vol	0.065
s_from_restr_planes	0.032
s_angle_d	0.029
s_bond_d	0.012

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1006
Nucleic Acid Atoms
Solvent Atoms	211
Heterogen Atoms	7

Software

Software
Software Name	Purpose
SHELXL-97	model building
SHELXL-97	refinement
SAINT	data reduction
SAINT	data scaling
SHELXL-97	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.