3AUE

A simplified BPTI variant with poly His amino acid tag (C5H) at the C-terminus

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	293	30% PEG4000, 0.2M Lithium sulfate, 0.1M Tris-HCl, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.21	44.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 39.011	α = 90
b = 120.328	β = 106.55
c = 53.322	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	95	CCD	ADSC QUANTUM 210		2009-01-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE AR-NW12A		Photon Factory	AR-NW12A

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	2.28	38.954	77.7	0.225		1.7	21392	21392	3	3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.28	2.38	77.7

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	4PTI	2.28	38.95	3	21392	15499	824	76.3	0.16867	0.16264	0.2736	RANDOM	19.941

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]
-0.12		-0.17	0.16		-0.14

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	20.988
r_dihedral_angle_3_deg	17.446
r_dihedral_angle_4_deg	15.997
r_dihedral_angle_1_deg	8.466
r_scangle_it	5.989
r_scbond_it	4.409
r_mcangle_it	2.679
r_angle_refined_deg	2.184
r_mcbond_it	1.695
r_symmetry_hbond_refined	0.577

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	20.988
r_dihedral_angle_3_deg	17.446
r_dihedral_angle_4_deg	15.997
r_dihedral_angle_1_deg	8.466
r_scangle_it	5.989
r_scbond_it	4.409
r_mcangle_it	2.679
r_angle_refined_deg	2.184
r_mcbond_it	1.695
r_symmetry_hbond_refined	0.577
r_nbtor_refined	0.323
r_xyhbond_nbd_refined	0.245
r_symmetry_vdw_refined	0.242
r_nbd_refined	0.227
r_chiral_restr	0.138
r_bond_refined_d	0.025
r_gen_planes_refined	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3526
Nucleic Acid Atoms
Solvent Atoms	328
Heterogen Atoms	65

Software

Software
Software Name	Purpose
HKL-2000	data collection
MOLREP	phasing
REFMAC	refinement
DENZO	data reduction
SCALEPACK	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 R01GM133198.