3BVZ

Manipulating the coupled folding and binding process drives affinity maturation in a protein-protein complex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	298	0.1M Tris-Cl, pH 8.5, 2.4 M ammonium sulfate, 2.25% polyethylene glycol (PEG) 400 and 2.25% Tween 20, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.35	47.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.596	α = 90
b = 42.596	β = 90
c = 287.418	γ = 90

Symmetry
Space Group	P 43 21 2

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	RIGAKU RAXIS IV++	mirrors	2004-05-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200	1.5418

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	2.3	50	90.2	0.056				11716	2	2	31.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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		THROUGHOUT	2.3	30	11546	548	90.2	0.198	0.194	0.277	RANDOM	21.212

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]
0.29			0.29		-0.59

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.045
r_dihedral_angle_3_deg	16.835
r_dihedral_angle_4_deg	13.702
r_dihedral_angle_1_deg	7.578
r_scangle_it	4.766
r_scbond_it	3.013
r_mcangle_it	2.15
r_angle_refined_deg	1.809
r_mcbond_it	1.279
r_nbtor_refined	0.3
r_symmetry_vdw_refined	0.276
r_symmetry_hbond_refined	0.253
r_nbd_refined	0.235
r_xyhbond_nbd_refined	0.217
r_chiral_restr	0.14
r_symmetry_metal_ion_refined	0.098
r_metal_ion_refined	0.054
r_bond_refined_d	0.021
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1867
Nucleic Acid Atoms
Solvent Atoms	141
Heterogen Atoms	1

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
CrystalClear	data collection
CrystalClear	data reduction
CrystalClear	data scaling
MOLREP	phasing