3P82

H184N mutant of pentaerythritol tetranitrate reductase containing bound acetate ion

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.2	293	100mM sodium cacodylate, 100 mM sodium acetate, 16-18% isopropanol, pH 6.2, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.19	43.71

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.6	α = 90
b = 68.899	β = 90
c = 85.542	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	X8 Proteum		2009-03-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	BRUKER AXS MICROSTAR	1.542

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.2	26.4	99.9	0.092	0.092	17.2	10.9	28870	28870

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)
	2.252	2.393	99.89		0.113	3.4	11.33

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	1H50	2.2	26.4	18118	914	99.78	0.1478	0.1439	0.2216	RANDOM	19.1172

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]
-0.36			1.81		-1.45

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.464
r_dihedral_angle_4_deg	16.457
r_dihedral_angle_3_deg	14.847
r_dihedral_angle_1_deg	6.354
r_scangle_it	3.695
r_scbond_it	2.466
r_angle_refined_deg	1.672
r_mcangle_it	1.44
r_mcbond_it	0.867
r_nbtor_refined	0.319

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.464
r_dihedral_angle_4_deg	16.457
r_dihedral_angle_3_deg	14.847
r_dihedral_angle_1_deg	6.354
r_scangle_it	3.695
r_scbond_it	2.466
r_angle_refined_deg	1.672
r_mcangle_it	1.44
r_mcbond_it	0.867
r_nbtor_refined	0.319
r_nbd_refined	0.214
r_symmetry_hbond_refined	0.213
r_symmetry_vdw_refined	0.199
r_xyhbond_nbd_refined	0.167
r_chiral_restr	0.108
r_bond_refined_d	0.018
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2757
Nucleic Acid Atoms
Solvent Atoms	524
Heterogen Atoms	35

Software

Software
Software Name	Purpose
XSCALE	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
PROTEUM PLUS	data collection

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.