Experiment: 1XA8

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	(NH4)2SO4, HEPES, PEG400, 2-mercaptoethanol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.6	65.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.91	α = 90
b = 120.62	β = 97.68
c = 97.14	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	100	CCD	MARRESEARCH	two Au coated X-ray mirrors	2004-04-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MPG/DESY, HAMBURG BEAMLINE BW6	0.97	MPG/DESY, HAMBURG	BW6

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	2.4	96.27	99.9	0.0867	0.1104	7.87	1.96	48095	48095	2.45	2.09

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	2.4	2.5	100		0.319	0.4849	2.16	1.97	5522

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1X6M	2.4	75.16	2.09	44668	44668	3425	99.91	0.19889	0.19889	0.19507	0.24784	RANDOM	31.344

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]
-0.28		-0.08	-0.22		0.48

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.998
r_dihedral_angle_3_deg	19.872
r_dihedral_angle_4_deg	19.367
r_dihedral_angle_1_deg	7.543
r_scangle_it	3.979
r_scbond_it	2.677
r_angle_refined_deg	2.095
r_mcangle_it	1.628
r_mcbond_it	0.934
r_nbtor_refined	0.3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.998
r_dihedral_angle_3_deg	19.872
r_dihedral_angle_4_deg	19.367
r_dihedral_angle_1_deg	7.543
r_scangle_it	3.979
r_scbond_it	2.677
r_angle_refined_deg	2.095
r_mcangle_it	1.628
r_mcbond_it	0.934
r_nbtor_refined	0.3
r_symmetry_hbond_refined	0.284
r_symmetry_vdw_refined	0.238
r_nbd_refined	0.22
r_xyhbond_nbd_refined	0.2
r_chiral_restr	0.148
r_bond_refined_d	0.021
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5904
Nucleic Acid Atoms
Solvent Atoms	280
Heterogen Atoms	127

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345	data collection
XDS	data scaling
MOLREP	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 R01GM133198.