1PR3

Crystal Structure of the R103K Mutant of Aspartate Semialdehyde dehydrogenase from Haemophilus influenzae

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	RIGAKU
Temperature [K]	90
Detector technology	IMAGE PLATE
Collection date	2002-01-01
Detector	RIGAKU RAXIS IV
Wavelength(s)	1.5418
Spacegroup name	P 21 21 2
Unit cell lengths	114.156, 54.891, 58.190
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	22.260 - 2.150
R-factor	0.225
Rwork	0.225
R-free	0.27900
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1nwc
RMSD bond length	0.006
RMSD bond angle	1.300
Data reduction software	HKL-2000
Data scaling software	SCALEPACK
Phasing software	CNS
Refinement software	CNS (1.0)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	50.000	2.180
High resolution limit [Å]	2.100	2.100
Number of reflections	22055
<I/σ(I)>	10.9	2.1
Completeness [%]	98.0	98
Redundancy	7.6

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	8.5	298	26 % PEG 3350, 0.2 M ammonium acetate, 0.1 M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K