1Z3Q

Resolution of the structure of the allergenic and antifungal banana fruit thaumatin-like protein at 1.7A

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	293	PEG 4000, Ammonium Sulfate, Sodium Acatate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K

Crystal Properties
Matthews coefficient	Solvent content
2.3	45.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.844	α = 90
b = 52.839	β = 90
c = 80.606	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	IMAGE PLATE	MARRESEARCH		2002-02-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200	1.54

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	1.7	42.2	96.9	0.042	17.6	4.6	20728	20095			15.31

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)
	1.7	1.76	94.9		0.131	9.4	4.3	1920

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	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	THROUGHOUT	PDB entry 1THV	1.7	20	20728	20067	1027	96.9	0.14426	0.14426	0.14248	0.17712	RANDOM	12.877

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]
-0.63			0.15		0.47

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.325
r_scangle_it	3.084
r_scbond_it	1.925
r_angle_refined_deg	1.354
r_mcangle_it	1.125
r_angle_other_deg	0.808
r_mcbond_it	0.61
r_symmetry_vdw_other	0.331
r_nbd_other	0.251
r_nbd_refined	0.204
r_symmetry_hbond_refined	0.202
r_symmetry_vdw_refined	0.201
r_xyhbond_nbd_refined	0.133
r_chiral_restr	0.083
r_nbtor_other	0.082
r_bond_refined_d	0.01
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1484
Nucleic Acid Atoms
Solvent Atoms	247
Heterogen Atoms	12

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing