1CBK

7,8-DIHYDRO-6-HYDROXYMETHYLPTERIN-PYROPHOSPHOKINASE FROM HAEMOPHILUS INFLUENZAE

Experimental procedure

Experimental method	MAD
Source type	SYNCHROTRON
Source details	ESRF BEAMLINE BM1A
Synchrotron site	ESRF
Beamline	BM1A
Temperature [K]	120
Detector technology	IMAGE PLATE
Detector	MARRESEARCH
Wavelength(s)	0.9686,0.9796,0.9794
Spacegroup name	C 1 2 1
Unit cell lengths	112.775, 50.791, 70.893
Unit cell angles	90.00, 101.73, 90.00

Refinement procedure

Resolution	20.000 - 2.020
Rwork	0.162
R-free	0.21300
Structure solution method	MAD
RMSD bond length	0.012
RMSD bond angle	1.722
Data reduction software	DENZO
Data scaling software	CCP4 ((SCALA))
Refinement software	X-PLOR (3.1)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	20.000	2.200
High resolution limit [Å]	2.020	2.020
Rmerge	0.062 *	0.167 *
Total number of observations	90489 *
Number of reflections	25768
Completeness [%]	98.8	96.6
Redundancy	3.8

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	unknown *	8.5 *		seeding *

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	drop	ammonium sulfate	2.8 (M)