3TRV

Crystal structure of quasiracemic villin headpiece subdomain containing (F5Phe17) substitution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.75	298	2.0 M ammonium sulfate, 6% isopropanol, 8% glycerol, pH 5.75, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
1.7	27.72

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 20.188	α = 75.061
b = 22.39	β = 82.004
c = 32.512	γ = 87.558

Symmetry
Space Group	P 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	MARMOSAIC 300 mm CCD		2010-11-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-D	0.729252	APS	21-ID-D

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1	21.63	95.7	0.0897	11.44	4.1	29447	28183			4.7

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1	1.03	93		0.121	9.65	3.67

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-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	AB INITIO PHASING	THROUGHOUT	1	21.63	29447	28183	1449	95.69	0.1376	0.1366	0.1546	RANDOM	6.4568

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]
0.13	0.27	-0.48	-0.09	0.13

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.377
r_dihedral_angle_4_deg	21.119
r_sphericity_free	20.828
r_dihedral_angle_3_deg	11.606
r_dihedral_angle_1_deg	5.139
r_sphericity_bonded	3.41
r_angle_refined_deg	1.728
r_rigid_bond_restr	0.958
r_angle_other_deg	0.801
r_chiral_restr	0.076

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.377
r_dihedral_angle_4_deg	21.119
r_sphericity_free	20.828
r_dihedral_angle_3_deg	11.606
r_dihedral_angle_1_deg	5.139
r_sphericity_bonded	3.41
r_angle_refined_deg	1.728
r_rigid_bond_restr	0.958
r_angle_other_deg	0.801
r_chiral_restr	0.076
r_bond_refined_d	0.008
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	583
Nucleic Acid Atoms
Solvent Atoms	87
Heterogen Atoms	23

Software

Software
Software Name	Purpose
XPREP	data reduction
REFMAC	refinement
PDB_EXTRACT	data extraction
EMBL	data collection
DENZO	data reduction
SCALEPACK	data scaling
SHELXD	phasing

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.