5ICX

Cetuximab Fab in complex with CQFDLSTRRLRCGGSK meditope

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	RIGAKU MICROMAX-007 HF
Temperature [K]	100
Detector technology	IMAGE PLATE
Collection date	2011-12-15
Detector	RIGAKU RAXIS IV++
Wavelength(s)	1.5418
Spacegroup name	P 21 21 21
Unit cell lengths	64.220, 82.530, 212.530
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	33.000 - 2.600
R-factor	0.179
Rwork	0.177
R-free	0.22200
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	4gw1
RMSD bond length	0.004
RMSD bond angle	0.799
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	MOLREP
Refinement software	PHENIX (1.8_1069)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	33.000	2.670
High resolution limit [Å]	2.600	2.600
Rmerge	0.082	0.338
Number of reflections	34163
<I/σ(I)>	16.79	4.65
Completeness [%]	95.8	93.7
Redundancy	4.35	4.36

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	5.5	293	0.1 M CITRIC ACID, 0.1 M SODIUM HYDROGEN PHOSPHATE, 0.4 M POTASSIUM HYDROGEN PHOSPHATE, 1.6 M SODIUM DIHYDROGEN PHOSPHATE, PH 5.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K