3QNY

Monoclinic form of human IgA1 Fab fragment, sharing same Fv as IgG

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	RIGAKU MICROMAX-007 HF
Temperature [K]	108
Detector technology	IMAGE PLATE
Collection date	2008-08-11
Detector	MAR scanner 345 mm plate
Wavelength(s)	1.5418
Spacegroup name	P 1 21 1
Unit cell lengths	96.300, 50.000, 99.200
Unit cell angles	90.00, 107.50, 90.00

Refinement procedure

Resolution	18.750 - 2.300
R-factor	0.1878
Rwork	0.187
R-free	0.21780
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	2EH7 (for the light chains) and 2FBJ (for the heavy chains)
RMSD bond length	0.010
RMSD bond angle	1.240
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	AMoRE
Refinement software	BUSTER-TNT

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	27.500	27.500	2.400
High resolution limit [Å]	2.300	10.000	2.300
Rmerge	0.065	0.033	0.448
Rmeas		0.039	0.527
Number of reflections	39517	500	4385
<I/σ(I)>	13.44	30.8	3.16
Completeness [%]	97.3	91.7	91.2

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	8.2	293	0.2M potassium sulfate, 20% PEG 3350, pH 8.2, VAPOR DIFFUSION, SITTING DROP, temperature 293K