3GJN

Following evolutionary paths to high affinity and selectivity protein-protein interactions using Colicin7 and Immunity proteins

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		10.5	292	30% PEG40, pH10.5, Microbatch under oil, temperature 292K

Crystal Properties
Matthews coefficient	Solvent content
2.37	48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.65	α = 90
b = 53.713	β = 105.59
c = 79.334	γ = 90

Symmetry
Space Group	P 1 21 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	RIGAKU RAXIS IV++	mirrors	2007-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU300	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.15	50	94.2	0.154	0.143	8.63	3.4		15983			39.86

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.5	2.59	83.9		0.327	0.276	2.3	2.5	1405

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1FR2, 1ZNV	2.48	43.94	16503	15160	814	91.86	0.24403	0.24233	0.27566	RANDOM	39.864

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]
-1.45		-3.75	-4.03		3.47

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.565
r_dihedral_angle_4_deg	25.248
r_dihedral_angle_3_deg	22.061
r_dihedral_angle_1_deg	9.271
r_scangle_it	5.236
r_scbond_it	3.548
r_angle_refined_deg	2.511
r_mcangle_it	2.089
r_mcbond_it	1.51
r_symmetry_vdw_refined	0.359

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.565
r_dihedral_angle_4_deg	25.248
r_dihedral_angle_3_deg	22.061
r_dihedral_angle_1_deg	9.271
r_scangle_it	5.236
r_scbond_it	3.548
r_angle_refined_deg	2.511
r_mcangle_it	2.089
r_mcbond_it	1.51
r_symmetry_vdw_refined	0.359
r_nbtor_refined	0.325
r_nbd_refined	0.282
r_xyhbond_nbd_refined	0.219
r_chiral_restr	0.177
r_symmetry_hbond_refined	0.175
r_metal_ion_refined	0.099
r_bond_refined_d	0.028
r_gen_planes_refined	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3226
Nucleic Acid Atoms
Solvent Atoms	15
Heterogen Atoms	2

Software

Software
Software Name	Purpose
HKL-2000	data collection
PHASES	phasing
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.