1PEN

ALPHA-CONOTOXIN PNI1

Experimental procedure

Temperature [K]	289
Detector technology	IMAGE PLATE
Collection date	1995-09-28
Detector	RIGAKU RAXIS IIC
Spacegroup name	P 1 21 1
Unit cell lengths	15.000, 19.800, 16.500
Unit cell angles	90.00, 113.40, 90.00

Refinement procedure

Resolution	6.100 - 1.100
R-factor	0.127
Rwork	0.127
R-free	0.15200
RMSD bond length	0.005
RMSD bond angle	22.700 *
Data reduction software	DENZO
Phasing software	X-PLOR (3.1)
Refinement software	X-PLOR (3.1)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	50.000
High resolution limit [Å]	1.100	1.100 *
Rmerge	0.080	0.240 *
Total number of observations	16298 *
Number of reflections	3459
Completeness [%]	94.0	80 *
Redundancy	4.7

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	Vapor diffusion, hanging drop *	8	14 *	used to seeding *

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	drop	PnIA	1.5 (mg/ml)
2	1	drop	sodium potassium Tartrate	0.1 (M)
3	1	drop	Tris-HCl	0.05 (M)
4	1	reservoir	sodium potassium Tartrate	0.2 (M)
5	1	reservoir	Tris-HCl	0.1 (M)