7JQK

Crystal structure of the R64A mutant of Bauhinia Bauhinioides Kallikrein Inhibitor complexed with Human Kallikrein 4

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	2.0M Ammonium Sulfate 2% PEG400, 10mM CdCl2 at pH 7.5

Crystal Properties
Matthews coefficient	Solvent content
3.23	61.88

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 104.036	α = 90
b = 104.036	β = 90
c = 86.801	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	100	PIXEL	DECTRIS EIGER X 16M		2019-10-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	1.000	APS	22-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.33	90.1	95.4	0.052	24	8.8		119509

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.33	1.35			0.91

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	FOURIER SYNTHESIS	THROUGHOUT	1.33	90.1	115784	3684	95.47	0.1199	0.1189	0.1533	RANDOM	31.0275

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]
-0.05	-0.03		-0.05		0.18

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.994
r_dihedral_angle_4_deg	21.849
r_dihedral_angle_3_deg	12.975
r_rigid_bond_restr	10.622
r_dihedral_angle_1_deg	7.009
r_angle_refined_deg	2.314
r_chiral_restr	0.15
r_bond_refined_d	0.021
r_gen_planes_refined	0.014

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2942
Nucleic Acid Atoms
Solvent Atoms	645
Heterogen Atoms	9

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
Aimless	data scaling
REFMAC	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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.