Experiment: 7W8E

Sweet taste protein Brazzein - R43A

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4HE7

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4	291	1.5M NaCl, 1M Na-Citrate pH4.0

Crystal Properties
Matthews coefficient	Solvent content
2.82	56.43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.634	α = 90
b = 51.634	β = 90
c = 60.618	γ = 120

Symmetry
Space Group	P 32 2 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	ADSC QUANTUM 315r		2016-08-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PAL/PLS BEAMLINE 7A (6B, 6C1)	0.97933	PAL/PLS	7A (6B, 6C1)

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	1.34	18.42	94	0.115	0.119	0.039	0.99	23.2	9.9		20107			13.4

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rrim I (All)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.343	1.36			0.124	0.055

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	4heq	1.34	18.41	1.34	20062	1048	94.02	0.2102	0.2094	0.2095	0.2253	0.2253	18.11

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	5.5099
f_angle_d	0.8807
f_chiral_restr	0.0806
f_bond_d	0.0063
f_plane_restr	0.0053

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	449
Nucleic Acid Atoms
Solvent Atoms	49
Heterogen Atoms	1

Software

Software
Software Name	Purpose
PHENIX	refinement
HKL-2000	data collection
HKL-2000	data scaling
PHENIX	phasing