5U6G

Crystal Structure of the holo Domain-Swapped Dimer mutant Q108K:K40D Human Cellular Retinol Binding Protein II bound with all trans retinal

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	APS BEAMLINE 21-ID-G
Synchrotron site	APS
Beamline	21-ID-G
Temperature [K]	200
Detector technology	CCD
Collection date	2016-07-20
Detector	MARMOSAIC 300 mm CCD
Wavelength(s)	1.0
Spacegroup name	P 21 21 21
Unit cell lengths	65.474, 73.597, 351.601
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	19.000 - 2.600
R-factor	0.1805
Rwork	0.177
R-free	0.28050
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	2rcq
RMSD bond length	0.015
RMSD bond angle	1.244
Data reduction software	HKL-2000
Data scaling software	HKL-2000
Phasing software	PHENIX
Refinement software	PHENIX (1.8.4_1496)

Data quality characteristics

	Overall
Low resolution limit [Å]	19.920
High resolution limit [Å]	2.600
Rmerge	0.035
Number of reflections	53735
<I/σ(I)>	26.2
Completeness [%]	99.8
Redundancy	14.8

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	4.5	298	30% PEG 4000, 0.1 M sodium acetate, 0.1 M ammonium acetate, pH 4.6