Experiment: 4QGX

Crystal structure of the R132K:R111L:L121E mutant of Cellular Retinoic Acid Binding ProteinII complexed with a synthetic ligand (Merocyanine) at 1.47 angstrom resolution

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2G7B	pdb entry 2G7B

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	277	0.1M bis Tris Propane, 0.2M Sodium Floride, 16% PEG3350, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.24	45.07

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 34.651	α = 72.58
b = 36.964	β = 76.35
c = 58.599	γ = 88.14

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MARMOSAIC 225 mm CCD		2014-02-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-F	0.97872	APS	21-ID-F

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.47	50	96.5	0.045	0.034	31.5	4	174571	45647

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.47	1.5	93.6		0.402	0.371	2.8	3.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	pdb entry 2G7B	1.471	35.239	1.99	44036	2212	96.29	0.1903	0.1887	0.1859	0.2204	0.2191

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
-0.0184	-0.0015	0.0959	-0.0016	0.037	0.0201

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.04
f_angle_d	1.252
f_chiral_restr	0.073
f_bond_d	0.006
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2174
Nucleic Acid Atoms
Solvent Atoms	333
Heterogen Atoms	19

Software

Software
Software Name	Purpose
HKL-3000	data collection
MOLREP	phasing
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling