Experiment: 4M2B

Crystal structure of L281D mutant of udp-glucose pyrophosphorylase from leishmania major in complex with udp-glc

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2OEG	PDB ENTRY 2OEG

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.6	277	0.1M BIS-TRIS, 28% W/V PEG-MME -2000, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277K, pH 6.6

Crystal Properties
Matthews coefficient	Solvent content
2.11	41.72

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.79	α = 90
b = 86.9	β = 90
c = 138.23	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	MAR CCD 165 mm		2006-03-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X11		EMBL/DESY, HAMBURG	X11

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	2.2	23.4	98	0.158	0.076	14.4	8.7		23985			31

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 (Observed)	R-Work (Depositor)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2OEG	2.2	23.4	23985	23985	1204		0.178	0.175	0.242	0.1984	RANDOM	29.14

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]

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3730
Nucleic Acid Atoms
Solvent Atoms	393
Heterogen Atoms	36

Software

Software
Software Name	Purpose
MxCuBE	data collection
CCP4	model building
REFMAC	refinement
XDS	data reduction
SADABS	data scaling
CCP4	phasing