Experiment: 1A8D

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	fiber seeding using cryshed initial crystals as seeds	7		9% (W/V) 1M AMMONIUM PHOSPHATE, PH 6.0, AND 92% OF A 10% (W/V) SOLUTION OF PEG 6000 IN 50MM HEPES (PH 7.0). LARGE CRYSTALS (0.2 X 0.2 X 0.5 MM) WERE GROWN BY FIBER SEEDING, USING CRUSHED INITIAL CRYSTALS AS SEEDS., fiber seeding using cryshed initial crystals as seeds

Crystal Properties
Matthews coefficient	Solvent content
2.21	44.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 71.18	α = 90
b = 79.38	β = 90
c = 93.81	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	120	CCD	ADSC QUANTUM	SLITS	1997-12-26	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL1-5		SSRL	BL1-5

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	1.57		96.6	0.0569	9.6	4.1		72263

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)
	1.57	1.6	90.3		0.345	2.05	2.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	COMBINED MIR (SIRAS) AND MAD INITIAL REFINEMENT WITH REFMAC AND X-PLOR. FINAL REFINEMENT WITH SHELXL.	THROUGHOUT	1.57	22.5	72263	7306	96.6	0.1867	0.1785		0.2618	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
		4082.4

RMS Deviations
Key	Refinement Restraint Deviation
s_approx_iso_adps	0.086
s_similar_adp_cmpnt	0.058
s_non_zero_chiral_vol	0.048
s_zero_chiral_vol	0.035
s_from_restr_planes	0.028
s_angle_d	0.025
s_anti_bump_dis_restr	0.014
s_bond_d	0.008
s_rigid_bond_adp_cmpnt	0.007
s_similar_dist

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3657
Nucleic Acid Atoms
Solvent Atoms	424
Heterogen Atoms	2

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
SHELXL-97	model building
SOLVE	phasing
SHELXL-97	refinement
CCP4	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 R01GM133198.