Experiment: 4BRV

Superoxide reductase (Neelaredoxin) from Ignicoccus hospitalis E23A

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4BK8	PDB ENTRY 4BK8

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.5		100MM TRISHCL PH 8.5, 10MM NICL2, 20% (W/V) PEG 2000 MONOMETHYLETHER AND 15% (W/V) GLYCEROL.

Crystal Properties
Matthews coefficient	Solvent content
2.4	49.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.908	α = 90
b = 74.796	β = 106.69
c = 68.754	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	293	CCD	BRUKER PROTEUM PT135			M	SINGLE WAVELENGTH

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

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	2.05	40.7	99.8	0.06	11.8	3.7		33545			26.26

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	2.05	2.15	99.4		0.33	2.4	2.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 4BK8	2.05	29.601	30894	1561	92.05	0.1608	0.1587	0.1602	0.1997	0.1989

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	15.023
f_angle_d	1.132
f_chiral_restr	0.084
f_bond_d	0.007
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3972
Nucleic Acid Atoms
Solvent Atoms	139
Heterogen Atoms	4

Software

Software
Software Name	Purpose
PHENIX	refinement
SAINT	data reduction
SADABS	data scaling
PHASER	phasing