1ES9

X-RAY CRYSTAL STRUCTURE OF R22K MUTANT OF THE MAMMALIAN BRAIN PLATELET-ACTIVATING FACTOR ACETYLHYDROLASES (PAF-AH)

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	NSLS BEAMLINE X9B
Synchrotron site	NSLS
Beamline	X9B
Temperature [K]	100
Detector technology	IMAGE PLATE
Collection date	1999-01-14
Detector	MARRESEARCH
Spacegroup name	P 31 2 1
Unit cell lengths	81.049, 81.049, 72.662
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	10.000 - 1.300
R-factor	0.192
Rwork	0.192
R-free	0.21700
RMSD bond length	0.020
RMSD bond angle	0.023
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	AMoRE
Refinement software	REFMAC

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	20.000	1.240
High resolution limit [Å]	1.200	1.200
Rmerge	0.069	0.366 *
Total number of observations	461423 *
Number of reflections	85358 *
<I/σ(I)>	32
Completeness [%]	98.7 *	90.4 *
Redundancy	5.4	2

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	Vapor diffusion, sitting drop *	6.8	293	Ho, Y.S., (1999) Protein Eng., 12, 693. *

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	drop	protein	5-9 (mg/ml)
2	1	reservoir	ammonium sulfate	12-18 (%)
3	1	reservoir	Tris-HCl