1MPG | pdb_00001mpg

3-METHYLADENINE DNA GLYCOSYLASE II FROM ESCHERICHIA COLI

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		PROTEIN WAS CRYSTALLIZED FROM 4% PEG 8000, 50 MM NACL, 10 MM TRIS-CL (PH 7.5), 7.5 MM KPO4 (PH 5.9),0.1 MM EDTA, 1.5 MM DITHIOTHREITOL

Crystal Properties
Matthews coefficient	Solvent content
2.01	38.61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.08	α = 90
b = 75.77	β = 109.94
c = 60.92	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	100	IMAGE PLATE	MARRESEARCH	MIRRORS	1995-10-17	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ELLIOTT GX-13

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	1.8	30	99.8	0.051	0.051	20	7.5		45971		1

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	1.8	1.86	99.5		0.133	0.133	12	6.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD, SIRAS	THROUGHOUT	1.8	30	1	45059	4541	98.7	0.194	0.194	0.247	RANDOM

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]
3.89		2.15	3.67		2.32

RMS Deviations
Key	Refinement Restraint Deviation
x_dihedral_angle_d	22
x_scangle_it	4.36
x_scbond_it	3.02
x_mcangle_it	2.23
x_angle_deg	1.79
x_mcbond_it	1.54
x_improper_angle_d	1.19
x_bond_d	0.011
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	4406
Nucleic Acid Atoms
Solvent Atoms	334
Heterogen Atoms	12

Software

Software
Software Name	Purpose
MLPHARE	phasing
X-PLOR	refinement
DENZO	data reduction
SCALEPACK	data scaling