1B2U

STRUCTURAL RESPONSE TO MUTATION AT A PROTEIN-PROTEIN INTERFACE

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		21% PEG-8K 0.2 M AMMONIUM SULPHATE 0.1 M NA CACODYLATE PH6.5

Crystal Properties
Matthews coefficient	Solvent content
2.49	51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 201.23	α = 90
b = 43.02	β = 110.7
c = 83.47	γ = 90

Symmetry
Space Group	C 1 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	IMAGE PLATE	MARRESEARCH	SUPER DOUBLE MIRRORS	1996-01-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ELLIOTT GX-13

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	2.1	22.3	98.9	0.066	14.45	3.6		32841			24.56

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)
	2.1	2.15	98.9		0.298	4	3

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-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	OTHER	THROUGHOUT	PDB ENTRY 1BRS	2.1	21.3	37091		98.9	0.214	0.276	29.17

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
p_transverse_tor	28.8
p_staggered_tor	16.5
p_special_tor	15
p_planar_tor	4.1
p_scangle_it	2.709
p_mcangle_it	2.626
p_scbond_it	1.854
p_mcbond_it	1.721
p_multtor_nbd	0.249
p_singtor_nbd	0.184
p_xyhbond_nbd	0.139
p_chiral_restr	0.125
p_planar_d	0.036
p_angle_d	0.032
p_bond_d	0.014
p_angle_deg
p_hb_or_metal_coord
p_plane_restr
p_xhyhbond_nbd
p_orthonormal_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4698
Nucleic Acid Atoms
Solvent Atoms	413
Heterogen Atoms

Software

Software
Software Name	Purpose
X-PLOR	model building
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling
X-PLOR	phasing