5O7Q

Crystal structure of a single chain monellin mutant (Y65R) pH 5.5

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	293	25% PEG3350, 0.1 M Bis/Tris pH 5.5, 0.2 M (NH4)2SO4

Crystal Properties
Matthews coefficient	Solvent content
2.16	43.06

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 35.339	α = 90
b = 84.545	β = 90
c = 130.517	γ = 90

Symmetry
Space Group	C 2 2 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	PIXEL	DECTRIS PILATUS 2M		2015-07-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ELETTRA BEAMLINE 5.2R	1.065200	ELETTRA	5.2R

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.72	50	99.7	9.87	5.6		21238

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.72	1.82	99.5		0.828	0.886		5.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	2O9U	1.72	50	20155	1083	99.68	0.22059	0.21806	0.27064	RANDOM	24.492

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]
-1.32			-1.59		2.91

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.944
r_dihedral_angle_4_deg	19.631
r_dihedral_angle_3_deg	14.203
r_long_range_B_refined	5.861
r_long_range_B_other	5.861
r_dihedral_angle_1_deg	5.354
r_scangle_other	4.475
r_scbond_it	3.119
r_scbond_other	3.116
r_mcangle_other	2.702
r_mcangle_it	2.7
r_angle_refined_deg	2.141
r_mcbond_it	1.911
r_mcbond_other	1.899
r_angle_other_deg	1.125
r_chiral_restr	0.17
r_bond_refined_d	0.029
r_gen_planes_refined	0.012
r_bond_other_d	0.003
r_gen_planes_other	0.002
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1534
Nucleic Acid Atoms
Solvent Atoms	126
Heterogen Atoms	32

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction