4NIO

GVTGIAQ segment 147-153 from Human Superoxide Dismutase with I149T mutation associated with a familial form of amyotrophic lateral sclerosis

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.5	298	0.1 M sodium acetate pH 4.5, 0.7 M hexanediol, vapor diffusion, hanging drop, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
1.48	16.89

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.787	α = 90
b = 4.787	β = 109.39
c = 17.687	γ = 90

Symmetry
Space Group	C 1 2 1

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	ADSC QUANTUM 315	mirrors	2011-03-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-E	0.9792	APS	24-ID-E

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	1.3	100	95.7	0.128	11	4.3	1053	1053		-3	14.7

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	1.3	1.35	81.6		0.269		2.4	84

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	1.3	22.54	1053	116	95.9	0.2051	0.2018	0.2332	RANDOM	9.1706

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]
-0.09		0.46	-0.24		0.64

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	45.167
r_dihedral_angle_1_deg	5.92
r_dihedral_angle_3_deg	3.5
r_scangle_it	1.261
r_angle_refined_deg	1.064
r_mcangle_it	0.894
r_scbond_it	0.64
r_angle_other_deg	0.611
r_mcbond_it	0.534
r_mcbond_other	0.071

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	45.167
r_dihedral_angle_1_deg	5.92
r_dihedral_angle_3_deg	3.5
r_scangle_it	1.261
r_angle_refined_deg	1.064
r_mcangle_it	0.894
r_scbond_it	0.64
r_angle_other_deg	0.611
r_mcbond_it	0.534
r_mcbond_other	0.071
r_chiral_restr	0.063
r_bond_refined_d	0.004
r_gen_planes_refined	0.002
r_bond_other_d	0.001
r_gen_planes_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	45
Nucleic Acid Atoms
Solvent Atoms	4
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction

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.