1RZ8

CRYSTAL STRUCTURE OF HUMAN ANTI-HIV-1 GP120-REACTIVE ANTIBODY 17B

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	RIGAKU
Temperature [K]	100
Detector technology	IMAGE PLATE
Collection date	1996-01-18
Detector	RIGAKU RAXIS
Wavelength(s)	1.5418
Spacegroup name	P 21 21 21
Unit cell lengths	63.212, 117.460, 154.813
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	20.000 * - 2.300
R-factor	0.2121
Rwork	0.212
R-free	0.26200
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1bbj
RMSD bond length	0.006
RMSD bond angle	1.408 *
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	AMoRE
Refinement software	CNS (1.1)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	20.000	2.280
High resolution limit [Å]	2.200	2.200
Rmerge	0.086 *
Total number of observations	228323 *
Number of reflections	55222
Completeness [%]	93.1 *	70.8

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	7 *	293	50% saturated ammonium sulfate, 10% 2-methyl-2,4-pentanediol, 0.1M imidazole, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	drop	Tris-HCl	2.5 (mM)
2	1	drop		0.35 (M)
3	1	drop		0.02 (%(v/v))	pH7.0
4	1	drop	protein	4-8 (mg/ml)
5	1	reservoir	ammonium sulfate	50 (%sat)
6	1	reservoir	MPD	10 (%)
7	1	reservoir	imidazole	0.1 (M)	pH6.5