5KQK

Crystal structure of the Q233E/N240D variant of the catalase-peroxidase from B. pseudomallei

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1MWV

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.1	293	MPD, 0.1 M sodium citrate

Crystal Properties
Matthews coefficient	Solvent content
3.24	62.06

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 100.723	α = 90
b = 115.053	β = 90
c = 174.512	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MARMOSAIC 300 mm CCD	mirrors	2015-10-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CLSI BEAMLINE 08ID-1	0.97949	CLSI	08ID-1

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	1.75	96.06	98.4	0.062	12.8	2.7		199866

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)
1	1.75	1.84	99.2		0.413	1.7	2.7

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	1MWV	1.75	96.06	189792	10034	98.03	0.1537	0.1523	0.1817	RANDOM	20.742

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]
-0.45			1.69		-1.24

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.989
r_dihedral_angle_4_deg	15.944
r_dihedral_angle_3_deg	13.342
r_dihedral_angle_1_deg	6.101
r_mcangle_it	2.485
r_angle_refined_deg	2.226
r_mcbond_it	1.624
r_mcbond_other	1.624
r_angle_other_deg	1.265
r_chiral_restr	0.155

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.989
r_dihedral_angle_4_deg	15.944
r_dihedral_angle_3_deg	13.342
r_dihedral_angle_1_deg	6.101
r_mcangle_it	2.485
r_angle_refined_deg	2.226
r_mcbond_it	1.624
r_mcbond_other	1.624
r_angle_other_deg	1.265
r_chiral_restr	0.155
r_bond_refined_d	0.028
r_gen_planes_refined	0.015
r_gen_planes_other	0.011
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11012
Nucleic Acid Atoms
Solvent Atoms	1629
Heterogen Atoms	126

Software

Software
Software Name	Purpose
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction

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 R01GM157729.