4KTD

Fab fragment of HIV vaccine-elicited CD4bs-directed antibody, GE136, from non-human primate

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	APS BEAMLINE 23-ID-D
Synchrotron site	APS
Beamline	23-ID-D
Temperature [K]	100
Detector technology	CCD
Collection date	2011-11-06
Detector	MARMOSAIC 300 mm CCD
Wavelength(s)	1.0332
Spacegroup name	P 21 21 21
Unit cell lengths	44.920, 71.500, 154.240
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	38.816 - 2.000
R-factor	0.2153
Rwork	0.214
R-free	0.24280
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.003
RMSD bond angle	0.803
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	Auto-Rickshaw
Refinement software	PHENIX (1.8.2_1309)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	40.000	38.816	2.050
High resolution limit [Å]	2.000	8.940	2.000
Rmerge	0.105	0.057	0.540
Number of reflections	33654	445	2470
<I/σ(I)>	12.34	26.4	4.59
Completeness [%]	97.6	98.9	97.4

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	4	293	0.1M Citric Acid, 1.6M Ammonium Sulfate, pH 4.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K