1GEX

CRYSTAL STRUCTURE OF HISTIDINOL-PHOSPHATE AMINOTRANSFERASE COMPLEXED WITH HISTIDINOL-PHOSPHATE

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	RIGAKU RU200
Temperature [K]	287
Detector technology	IMAGE PLATE
Collection date	1999-12-25
Detector	RIGAKU RAXIS IIC
Wavelength(s)	1.5418
Spacegroup name	C 1 2 1
Unit cell lengths	132.924, 63.836, 46.365
Unit cell angles	90.00, 104.06, 90.00

Refinement procedure

Resolution	8.000 - 2.200
R-factor	0.195
Rwork	0.191
R-free	0.26100
Structure solution method	MIR
RMSD bond length	0.008
RMSD bond angle	1.411
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	MLPHARE
Refinement software	X-PLOR (3.851)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	50.000	2.280
High resolution limit [Å]	2.200	2.200
Rmerge	0.086	0.231
Total number of observations	87507 *
Number of reflections	18942
<I/σ(I)>	11.4
Completeness [%]	98.4	95.5
Redundancy	3.3	2.8

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	7.7	293	PEG 4000, magnesium chloride, tris, pH 7.7, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	drop	protein	20-25 (mg/ml)
2	1	reservoir	PEG4000	17.5 (%(w/v))
3	1	reservoir	Hsp	82 (mm)
4	1	reservoir		200 (mM)
5	1	reservoir	Tris-HCl	100 (mM)