Experiment: 2PYG

Azotobacter vinelandii Mannuronan C-5 epimerase AlgE4 A-module

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		295	1.6-1.7 M Malonate, pH 7.0-8.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.95	58.37

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 173.953	α = 90
b = 121.346	β = 90
c = 44.715	γ = 90

Symmetry
Space Group	P 21 21 2

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	MAC Science DIP-2030	Franks mirrors	2002-07-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	OTHER	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.1	50	92.3	0.098	12.4	8.7	51691	51691			31.3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.18	83.6		0.638	1.8		4598

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MIR	THROUGHOUT	2.1	50	51623	51623	2624	91.5	0.194	0.1946	0.235	0.2351	random	33.403

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]
5.531			7.321		-12.852

RMS Deviations
Key	Refinement Restraint Deviation
c_angle_d	1.287
c_bond_d	0.006
c_mcbond_it
c_mcangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5579
Nucleic Acid Atoms
Solvent Atoms	511
Heterogen Atoms	8

Software

Software
Software Name	Purpose
CNS	refinement
PDB_EXTRACT	data extraction
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing