1AVM

THE CAMBIALISTIC SUPEROXIDE DISMUTASE (FE-SOD) OF P. SHERMANII COORDINATED BY AZIDE

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	vapor diffusion - hanging drop - microseeding	6.15	277	FROM 2.15 M (NH4)2SO4, 55 MG/ML PROTEIN, 4 DEG C, PH 6.15, HANGING DROP, MICROSEED FROM NATIVE FE-SOD OF P.SHERM., SOAKED FOR 24 H IN 150 MM SODIUM AZIDE, vapor diffusion - hanging drop - microseeding, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.06	31.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.68	α = 90
b = 85.42	β = 90
c = 108.76	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	295	AREA DETECTOR	SIEMENS		1997-03-26	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ENRAF-NONIUS FR591

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	1.55	39.8	84.6	0.044	0.044	14.1	3.8		45471		2	14

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.55	1.6	61.9		0.158	0.158	4.8	1.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	ISOMORPHOUS WITH FE-SOD OF P.SHERMANII	THROUGHOUT	PDB ENTRY 1AR5	1.55	8	4.5	42899	4318	80	0.171	0.171	0.198	RANDOM	15.4

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
x_dihedral_angle_d	21.35
x_scangle_it	2.5
x_mcangle_it	2
x_scbond_it	2
x_mcbond_it	1.5
x_angle_deg	1.42
x_improper_angle_d	0.98
x_bond_d	0.005
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3204
Nucleic Acid Atoms
Solvent Atoms	426
Heterogen Atoms	8

Software

Software
Software Name	Purpose
X-PLOR	model building
X-PLOR	refinement
SAINT	data reduction
SAINT	data scaling
CCP4	data scaling
SCALA	data scaling
TRUNCATE	data scaling
X-PLOR	phasing