Experiment: 1ESO

MONOMERIC CU,ZN SUPEROXIDE DISMUTASE FROM ESCHERICHIA COLI

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		SUPEROXIDE DISMUTASE FROM P.LEIOGNATHI, SOLVED BY SIRAS IN THE DEPOSITORS' LAB

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.5		PROTEIN WAS CRYSTALLIZED FROM 30% PEG 4000, 0.2 M MGCL2, 0.1 M TRIS, PH 8.5

Crystal Properties
Matthews coefficient	Solvent content
2.1	40

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 33	α = 90
b = 52.4	β = 111.2
c = 43.2	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	295	IMAGE PLATE	RIGAKU RAXIS IIC	PINHOLE COLLIMATOR	1996-04-07	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH2R

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	2	26.3	96.4	0.06	0.06	17	3.1		9044

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)
	2	2.1	87		0.18	0.07	3.5	2.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	SUPEROXIDE DISMUTASE FROM P.LEIOGNATHI, SOLVED BY SIRAS IN THE DEPOSITORS' LAB	2	26	8624	9057	433	96.4	0.168	0.1896	0.26

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
t_dihedral_angle_d	19.36
t_it	4.7
t_angle_deg	2.78
t_nbd	0.062
t_gen_planes	0.019
t_bond_d	0.018
t_trig_c_planes	0.018
t_incorr_chiral_ct
t_pseud_angle

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1103
Nucleic Acid Atoms
Solvent Atoms	75
Heterogen Atoms	2

Software

Software
Software Name	Purpose
MOSFLM	data reduction
ROTAVATA	data reduction
Agrovata	data reduction
AMoRE	phasing
TNT	refinement
CCP4	data scaling
ROTAVATA	data scaling