1GV3

The 2.0 Angstrom resolution structure of the catalytic portion of a cyanobacterial membrane-bound manganese superoxide dismutase

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		pH 7.50

Crystal Properties
Matthews coefficient	Solvent content
2.71	54.53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 151.32	α = 90
b = 151.32	β = 90
c = 69.28	γ = 120

Symmetry
Space Group	H 3

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	287	IMAGE PLATE	MARRESEARCH		2001-08-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.03	30.57	93.9		2.5		35333

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	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	1MNG	2	100	33267		93.9	0.188	0.188	0.211

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]
1.69	0.34		1.69		-3.39

RMS Deviations
Key	Refinement Restraint Deviation
c_scangle_it	3.55
c_mcangle_it	2.33
c_scbond_it	2.13
c_mcbond_it	1.33
c_angle_deg	1.248
c_bond_d	0.0057
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3440
Nucleic Acid Atoms
Solvent Atoms	166
Heterogen Atoms	2

Software

Software
Software Name	Purpose
CNS	refinement
MOSFLM	data reduction
AMoRE	phasing