2B4T

Crystal structure of glyceraldehyde-3-phosphate dehydrogenase from Plasmodium falciparum at 2.25 Angstrom resolution reveals intriguing extra electron density in the active site

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRL BEAMLINE BL9-2
Synchrotron site	SSRL
Beamline	BL9-2
Temperature [K]	100
Detector technology	CCD
Collection date	2005-03-04
Detector	ADSC QUANTUM 315
Wavelength(s)	0.9807
Spacegroup name	P 1 21 1
Unit cell lengths	69.687, 106.056, 91.057
Unit cell angles	90.00, 107.24, 90.00

Refinement procedure

Resolution	43.480 - 2.500
R-factor	0.17575
Rwork	0.174
R-free	0.21677
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1j0x
RMSD bond length	0.007
RMSD bond angle	1.080
Data reduction software	MOSFLM
Data scaling software	CCP4 ((SCALA))
Phasing software	MOLREP
Refinement software	REFMAC (5.2.0005)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	46.625	2.640
High resolution limit [Å]	2.500	2.500
Number of reflections	42843
<I/σ(I)>	7.9	2.2
Completeness [%]	98.0	97.8
Redundancy	3.5	3.6

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	7.5	298	30% PEG 3350; 200 MILLIMOLAR NA F; 100 MILLIMOLAR BIS-TRIS-PROPANE, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K
1	VAPOR DIFFUSION, SITTING DROP	7.5	298	30% PEG 3350; 200 MILLIMOLAR NA F; 100 MILLIMOLAR BIS-TRIS-PROPANE, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K
1	VAPOR DIFFUSION, SITTING DROP	7.5	298	30% PEG 3350; 200 MILLIMOLAR NA F; 100 MILLIMOLAR BIS-TRIS-PROPANE, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K