Experiment: 5F7G

Crystal structure of the Q108K:K40L:T51V:R58Y:Y19W:Q38L mutant of human Cellular Retinol Binding Protein II in complex with All-trans-Retinal at 1.48 Angstrom Resolution

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2RCT

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.5	298	25% PEG 4000, 0.1 M Ammonium Acetate, 0.1 M sodium acetate pH = 4.5

Crystal Properties
Matthews coefficient	Solvent content
2.01	38.93

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 29.97	α = 90.87
b = 35.722	β = 91.33
c = 64.455	γ = 114.36

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 300 mm CCD		2012-12-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-D	1.0781	APS	21-ID-D

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.48	50	95.5	37.3	3.9	160420	43022

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.48	1.5	93.6		0.586	2.37	3.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation 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	FREE R-VALUE	2RCT	1.48	27.288	1.99	38828	1955	95.63	0.2062	0.2038	0.199	0.2519	0.2462

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]
0.0121	-0.1265	-0.0349	0.133	0.2447	-0.1451

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	15.947
f_angle_d	1.183
f_chiral_restr	0.074
f_plane_restr	0.012
f_bond_d	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2192
Nucleic Acid Atoms
Solvent Atoms	219
Heterogen Atoms	52

Software

Software
Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
MOLREP	phasing