3MJ8

Crystal structure of HL4E10 Fab, a hamster Ab stimulatory for gammadelta T cells

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRL BEAMLINE BL11-1
Synchrotron site	SSRL
Beamline	BL11-1
Temperature [K]	100
Detector technology	CCD
Collection date	2006-07-12
Detector	MARMOSAIC 325 mm CCD
Spacegroup name	P 1 21 1
Unit cell lengths	43.836, 148.768, 68.798
Unit cell angles	90.00, 106.23, 90.00

Refinement procedure

Resolution	30.000 - 2.940
R-factor	0.23
Rwork	0.227
R-free	0.28100
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	HL4E10 LIGHT CHAIN SEQUENCE THREADED ONTO 1W72 HL4E10 HEAVY CHAIN SEQUENCE THREADED ONTO 2ARJ
RMSD bond length	0.006
RMSD bond angle	0.957
Data reduction software	HKL-2000
Data scaling software	HKL-2000
Phasing software	PHASER
Refinement software	REFMAC (5.3.0017)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	30.000	3.060
High resolution limit [Å]	2.940	2.940
Rmerge	0.105	0.541
Number of reflections	17012
<I/σ(I)>	7.7	1.7
Completeness [%]	95.3	96.1
Redundancy	2.3

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	4.6	295	10-12.5 % PEG 4000, 0.1 M NA- ACETATE, 0.2 M (NH4)2SO4, pH 4.60, VAPOR DIFFUSION, SITTING DROP, temperature 295K