8HH0

Peroxiredoxin from Thermococcus kodakaraensis (TkPrx) F42C/C46S/C205S/C211S mutant modified with 2-(bromoacetyl)naphthalene (Naph@TkPrx*F42C)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	6IU0

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		293	0.2 M ammonium acetate 0.1 M sodium acetate (pH 4.6) 30% w/v polyethylene glycol 4,000

Crystal Properties
Matthews coefficient	Solvent content
2.25	45.28

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.09	α = 90
b = 61.09	β = 90
c = 236.919	γ = 90

Symmetry
Space Group	P 41 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	PIXEL	DECTRIS PILATUS 6M		2020-12-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL45XU	1	SPring-8	BL45XU

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	2.35	48.367	99.9	0.166	0.985	6.4	6		19657

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	2.35	2.43			0.603	0.816

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	6IU0	2.35	48.367	19631	1021	99.797	0.207	0.2049	0.2529	52.349

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]
-0.195			-0.195		0.39

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.362
r_dihedral_angle_3_deg	19.004
r_dihedral_angle_4_deg	18.767
r_lrange_it	7.678
r_lrange_other	7.668
r_dihedral_angle_1_deg	7.268
r_scangle_it	6.408
r_scangle_other	6.406
r_mcangle_it	5.038
r_mcangle_other	5.038
r_scbond_it	4.326
r_scbond_other	4.325
r_mcbond_it	3.738
r_mcbond_other	3.73
r_angle_refined_deg	1.548
r_angle_other_deg	1.227
r_symmetry_nbd_refined	0.256
r_nbd_refined	0.194
r_nbd_other	0.194
r_symmetry_nbd_other	0.186
r_nbtor_refined	0.17
r_xyhbond_nbd_refined	0.163
r_symmetry_xyhbond_nbd_refined	0.158
r_symmetry_xyhbond_nbd_other	0.096
r_symmetry_nbtor_other	0.077
r_chiral_restr	0.072
r_bond_refined_d	0.007
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3436
Nucleic Acid Atoms
Solvent Atoms	46
Heterogen Atoms	26

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
MOLREP	phasing