1AHH

7 ALPHA-HYDROXYSTEROID DEHYDROGENASE COMPLEXED WITH NAD+

Experimental procedure

Temperature [K]	293
Detector technology	IMAGE PLATE
Collection date	1994-11-16
Detector	RIGAKU
Spacegroup name	P 41 21 2
Unit cell lengths	81.660, 81.660, 214.600
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	8.000 - 2.300
R-factor	0.182
Rwork	0.182
R-free	0.26500
RMSD bond length	0.011
RMSD bond angle	23.700 *
Data reduction software	PROCESS
Phasing software	X-PLOR (3.1)
Refinement software	X-PLOR (3.1)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	64.600
High resolution limit [Å]	2.300
Rmerge	0.073	0.242 *
Total number of observations	79500 *
Number of reflections	28146
Completeness [%]	84.6	62.7 *
Redundancy	2.8

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	Vapor diffusion, hanging drop *	8.5	293 *	drop solution was prepared by mixing the protein, reservoir and detergent solutions, buffered by 100mM Tris, at the ratio of 4:3:1. *

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	drop	protein	30 (mg/ml)
2	1	drop	NAD+	4 (mg/ml)
3	1	reservoir	PEG6000	28 (%(w/v))
4	1	reservoir	sodium acetate	200 (mM)
5	1	reservoir	beta-octylglucoside	0.8 (%(w/v))