Experiment: 1L4X

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6		magnesium sulphate; sodium acetate or bicine, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 100K
2	VAPOR DIFFUSION, HANGING DROP	4.6		magnesium sulphate; sodium acetate or bicine, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 100K
3	VAPOR DIFFUSION, HANGING DROP	9		magnesium sulphate; sodium acetate or bicine, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 100K

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 56.628	α = 90
b = 56.628	β = 90
c = 113.869	γ = 120

Symmetry
Space Group	P 31 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	IMAGE PLATE	MARRESEARCH		2001-02-23	M	SINGLE WAVELENGTH
2	1	100	IMAGE PLATE	MARRESEARCH		2001-03-09
3	1	100	CCD	ADSC QUANTUM 4		2001-07-09

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ELLIOTT GX-20	1.5418
2	ROTATING ANODE	ELLIOTT GX-20	1.5418
3	SYNCHROTRON	ESRF BEAMLINE ID29	0.976257	ESRF	ID29

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	50	95.1	0.074	13.2	7.7	14920	14176		-3	44

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)
	2	2.06	83.3		0.463	3.3	4.1	1004

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	SIR	THROUGHOUT	2	30.02	14176	13923	711	93.5	0.242	0.278	RANDOM	55

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]
0.72	-3.43		0.72		-1.44

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	16.1
c_scangle_it	11.27
c_scbond_it	7.89
c_mcangle_it	7.66
c_mcbond_it	5.72
c_angle_deg	1.2
c_improper_angle_d	0.8
c_bond_d	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1000
Nucleic Acid Atoms
Solvent Atoms	105
Heterogen Atoms	58

Software

Software
Software Name	Purpose
DENZO	data reduction
TRUNCATE	data reduction
SHARP	phasing
CNS	refinement
CCP4	data scaling

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.