Experiment: 4KQ4

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1ZTX	PDB ENTRY 1ZTX

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	293	0.1 M HEPES, pH 7.5, 18% PEG8000, cryoprotectant: 0.1 M HEPES, pH 7.5, 20% PEG8000, 20% glycerol, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.58	52.27

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 65.5	α = 90
b = 65.5	β = 90
c = 99.82	γ = 120

Symmetry
Space Group	P 31

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	95	CCD	RIGAKU SATURN 944	VARIMAX HF	2008-02-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	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	2.45	30	98.5	0.058	25.3	5.7	17241	17241		-3	47.1

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	2.45	2.52	97.9		0.492	4.3	5.3

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-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	PDB ENTRY 1ZTX	2.45	15	16321	16321	865	98.5	0.21281	0.21281	0.20957	0.23	0.27903	0.3	RANDOM	74.8

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]
1.01	0.5		1.01		-1.51

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.07
r_scangle_it	29.775
r_scbond_it	28.717
r_dihedral_angle_3_deg	19.1
r_dihedral_angle_4_deg	17.623
r_dihedral_angle_1_deg	7.149
r_mcangle_it	4.212
r_mcbond_it	2.148
r_angle_refined_deg	1.392
r_chiral_restr	0.093

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.07
r_scangle_it	29.775
r_scbond_it	28.717
r_dihedral_angle_3_deg	19.1
r_dihedral_angle_4_deg	17.623
r_dihedral_angle_1_deg	7.149
r_mcangle_it	4.212
r_mcbond_it	2.148
r_angle_refined_deg	1.392
r_chiral_restr	0.093
r_bond_refined_d	0.01
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3348
Nucleic Acid Atoms
Solvent Atoms	63
Heterogen Atoms	1

Software

Software
Software Name	Purpose
CrystalClear	data collection
PHASER	phasing
REFMAC	refinement
XDS	data reduction
XDS	data scaling

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.