1D5D

The role of phenylalanine 8 in the stabilization of the s protein-s peptide interaction: packing and cavities

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.75	293	3M CSCL, 35% AMMONIUM SULFATE. 0.1 M SODIUM ACETATE, pH 5.75, VAPOR DIFFUSION, SITTING DROP, temperature 20K

Crystal Properties
Matthews coefficient	Solvent content
2.19	43.72

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.84	α = 90
b = 44.84	β = 90
c = 98	γ = 120

Symmetry
Space Group	P 31 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	293	IMAGE PLATE	MARRESEARCH		1999-08-26	M	SINGLE WAVELENGTH

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

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	2.19	10	100	0.117	20.18	11	5293	4958	1	1	26.9

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.19	2.4	100		0.42		11

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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		THROUGHOUT	2.25	10	1	4492	474	78.7	0.189	0.189	0.218	RANDOM	19.3

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
x_dihedral_angle_d	25.5
x_scangle_it	5.87
x_scbond_it	3.93
x_mcangle_it	3.57
x_mcbond_it	2.26
x_angle_deg	1.3
x_improper_angle_d	0.54
x_bond_d	0.005
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1136
Nucleic Acid Atoms
Solvent Atoms	138
Heterogen Atoms	5

Software

Software
Software Name	Purpose
XDS	data scaling
AUTOMAR	data reduction
X-PLOR	model building
X-PLOR	refinement
XDS	data reduction
X-PLOR	phasing