Experiment: 1CH7

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		9		2.6-3.0 M (NH4)2SO4, 20 MM TRIS, 1 MM EDTA, PH 9.0

Crystal Properties
Matthews coefficient	Solvent content
3.05	61.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 91.25	α = 90
b = 91.25	β = 90
c = 45.838	γ = 120

Symmetry
Space Group	P 6

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	277	IMAGE PLATE	RIGAKU RAXIS IIC		1995-12-27	M	SINGLE WAVELENGTH

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

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	1.9	50	87.5	0.089			21430	21430

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	OTHER	FREE R	PDB ENTRY 1MBW	1.9	5	13025	13025	1373	79.7	0.1553	0.156		0.2054	RANDOM

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
		1458

RMS Deviations
Key	Refinement Restraint Deviation
s_similar_adp_cmpnt	0.076
s_zero_chiral_vol	0.042
s_non_zero_chiral_vol	0.041
s_anti_bump_dis_restr	0.04
s_angle_d	0.023
s_bond_d	0.008
s_similar_dist	0.005
s_from_restr_planes
s_rigid_bond_adp_cmpnt
s_approx_iso_adps

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1226
Nucleic Acid Atoms
Solvent Atoms	177
Heterogen Atoms	49

Software

Software
Software Name	Purpose
SHELXS	phasing
SHELXL-97	refinement
XDS	data reduction
XSCALE	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.