7P1S

Structure of KDNase from Trichophyton Rubrum in complex with 2,3-didehydro-2,3-dideoxy-D-glycero-D-galacto-nonulosonic acid.

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	293	25% PEG 1500 0.1M SPG pH 8

Crystal Properties
Matthews coefficient	Solvent content
2.46	49.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 48.646	α = 90
b = 179.008	β = 104.04
c = 97.292	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	173	PIXEL	DECTRIS PILATUS 6M-F		2018-12-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04-1	0.91587	Diamond	I04-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	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	1.92	179.01	92.5	0.145	0.97	4.6	2.9		113657

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.92	1.97	55.1		0.887	0.49	0.8	2.1

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-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2XCY	1.92	179.01	107924	5690	92.34	0.2612	0.2598	0.2888	RANDOM	31.141

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]
0.16		0.46	0.97		-1.21

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.935
r_dihedral_angle_4_deg	15.521
r_dihedral_angle_3_deg	13.808
r_dihedral_angle_1_deg	6.93
r_angle_refined_deg	1.364
r_angle_other_deg	0.747
r_chiral_restr	0.074
r_bond_refined_d	0.01
r_gen_planes_refined	0.006
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.935
r_dihedral_angle_4_deg	15.521
r_dihedral_angle_3_deg	13.808
r_dihedral_angle_1_deg	6.93
r_angle_refined_deg	1.364
r_angle_other_deg	0.747
r_chiral_restr	0.074
r_bond_refined_d	0.01
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11688
Nucleic Acid Atoms
Solvent Atoms	766
Heterogen Atoms	72

Software

Software
Software Name	Purpose
REFMAC	refinement
xia2	data reduction
xia2	data scaling
PHASER	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.