1SXA

CRYSTAL STRUCTURE OF REDUCED BOVINE ERYTHROCYTE SUPEROXIDE DISMUTASE AT 1.9 ANGSTROMS RESOLUTION

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.91	57.75

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.89	α = 90
b = 51.14	β = 90
c = 148.15	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		IMAGE PLATE	CUSTOM-MADE		1992-11-16

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X31	0.97	EMBL/DESY, Hamburg	X31

Data Collection

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		1.9	10	25783		90.5	0.166			20.3

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
p_orthonormal_tor	37.9
p_staggered_tor	15.9
p_scangle_it	7.9
p_scbond_it	5.3
p_mcangle_it	3.5
p_planar_tor	2.6
p_mcbond_it	2.5
p_multtor_nbd	0.349
p_singtor_nbd	0.191
p_xhyhbond_nbd	0.191
p_chiral_restr	0.182
p_angle_d	0.043
p_planar_d	0.043
p_bond_d	0.015
p_plane_restr	0.014
p_angle_deg
p_hb_or_metal_coord
p_xyhbond_nbd
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2186
Nucleic Acid Atoms
Solvent Atoms	299
Heterogen Atoms	4

Software

Software
Software Name	Purpose
DENZO	data reduction
PROLSQ	refinement