2GBV

C6A/C111A/C57A/C146A holo CuZn Superoxide dismutase

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	291	2.8M Ammonium Sulphate, 50mM NaAc, 0.1M TRIS-HCl, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
3.86	68.13

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 166.8	α = 90
b = 202.37	β = 90
c = 143.64	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	100	CCD	MARRESEARCH		2004-06-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I711	1.080	MAX II	I711

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	20	99.9	0.064			162729	162729	1	1

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	2.11	100		0.239	8.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	1N18	2	19.88	162729	162695	8162	99.99	0.184	0.184	0.183	0.207	RANDOM	26.336

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]
0.83			-0.3		-0.53

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.487
r_dihedral_angle_3_deg	11.075
r_dihedral_angle_4_deg	9.137
r_dihedral_angle_1_deg	5.9
r_scangle_it	1.501
r_scbond_it	1.108
r_angle_refined_deg	1.055
r_angle_other_deg	0.669
r_mcangle_it	0.577
r_mcbond_it	0.519
r_symmetry_vdw_other	0.195
r_nbd_refined	0.183
r_nbd_other	0.173
r_nbtor_refined	0.158
r_symmetry_vdw_refined	0.111
r_symmetry_hbond_refined	0.11
r_xyhbond_nbd_refined	0.106
r_metal_ion_refined	0.092
r_nbtor_other	0.079
r_mcbond_other	0.074
r_chiral_restr	0.061
r_bond_refined_d	0.006
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11060
Nucleic Acid Atoms
Solvent Atoms	1498
Heterogen Atoms	20

Software

Software
Software Name	Purpose
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
CCP4	data scaling
CNS	phasing