7CQJ

Peroxiredoxin from Aeropyrum pernix K1 (ApPrx) C50S/K84A/C207S/C213S mutant (ApPrx*K84A)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	The reservoir solution contained 0.10 M sodium acetate trihydrate (pH 4.6) 0.20 M calcium chloride dihydrate 20 %v/v 2-propanol.

Crystal Properties
Matthews coefficient	Solvent content
2.7	54.37

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.008	α = 90
b = 210.575	β = 90
c = 308.668	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	PIXEL	DECTRIS PILATUS 6M		2020-02-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL45XU	1.0	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	2.9	49.48	99.9	0.162	0.993	8.9	8.3		83831

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	2.9	2.96	100		0.965	0.763	2.2

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	6krk	2.9	49.48	83763	4355	99.783	0.183	0.1788	0.2559	52.418

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]
0.072			-0.072

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.469
r_dihedral_angle_3_deg	21.245
r_dihedral_angle_4_deg	20.907
r_lrange_it	9.81
r_lrange_other	9.81
r_dihedral_angle_1_deg	7.767
r_scangle_it	7.305
r_scangle_other	7.305
r_mcangle_it	6.345
r_mcangle_other	6.345
r_scbond_it	4.722
r_scbond_other	4.722
r_mcbond_it	4.22
r_mcbond_other	4.22
r_angle_refined_deg	1.656
r_angle_other_deg	1.209
r_symmetry_nbd_refined	0.216
r_nbd_refined	0.209
r_symmetry_xyhbond_nbd_refined	0.209
r_symmetry_nbd_other	0.198
r_nbtor_refined	0.172
r_xyhbond_nbd_refined	0.171
r_nbd_other	0.164
r_symmetry_xyhbond_nbd_other	0.14
r_symmetry_nbtor_other	0.094
r_chiral_restr	0.07
r_bond_refined_d	0.008
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	23628
Nucleic Acid Atoms
Solvent Atoms	47
Heterogen Atoms

Software

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