Experiment: 1DBF

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2CHS

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	3	298	PROTEIN DROP: 5 MICROLITERS PROTEIN SOLUTION, 5 MICROLITERS RESERVOIR. PROTEIN SOLUTION: 13 MG/ML PROTEIN, 100 MM PMSF, 100 MM NACL, 50 MM TRIS PH 7.5, 1 MM EDTA, 1 MM DTT. RESERVOIR SOLUTION: 2.2 M AMMONIUM SULFATE, 100 MM SODIUM ACETATE PH 3.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
1.87	43.01

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.2	α = 90
b = 83.77	β = 90
c = 85.96	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	100	CCD	BRUKER		1998-02-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-ID		APS	17-ID

Data Collection

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	1.2	1.27	23		0.458	1.2	1.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	FREE R	2CHS	1.3	100	89868	9021	59.1	0.169	0.167		0.235	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
3		3529

RMS Deviations
Key	Refinement Restraint Deviation
s_approx_iso_adps	0.083
s_non_zero_chiral_vol	0.072
s_zero_chiral_vol	0.065
s_similar_adp_cmpnt	0.06
s_angle_d	0.031
s_from_restr_planes	0.0284
s_similar_dist	0.027
s_anti_bump_dis_restr	0.016
s_bond_d	0.012
s_rigid_bond_adp_cmpnt	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3030
Nucleic Acid Atoms
Solvent Atoms	424
Heterogen Atoms	75

Software

Software
Software Name	Purpose
AMoRE	phasing
SHELXL-97	refinement
X-GEN	data reduction
X-GEN	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.