4GKC

Crystal structure of Q108K:K40L:T51V:T53C:R58W:T29L:Y19W:Q4A mutant of cellular retinol binding protein II complex with all-trans-retinal at 1.33

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	EVAPORATION	4.6	298	40% PEG 4000, 0.1M CH3COONa.3H2O, 0.1 M CH3COONH4, EVAPORATION, temperature 298K, pH 4.6

Crystal Properties
Matthews coefficient	Solvent content
2.07	40.69

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 30.97	α = 86.1
b = 36.002	β = 86.46
c = 64.016	γ = 65.32

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	200	CCD	MAR300			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-D	1.1272	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	1.3	28.122				179578	50433

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2rcq	1.3	28.12	179578	50433	2670	86.38	0.18897	0.18704	0.22493	RANDOM	18.607

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.828
r_dihedral_angle_4_deg	19.299
r_dihedral_angle_3_deg	13.281
r_dihedral_angle_1_deg	6.95
r_scangle_it	5.88
r_scbond_it	3.817
r_mcangle_it	2.682
r_angle_refined_deg	2.491
r_mcbond_it	1.581
r_chiral_restr	0.141
r_bond_refined_d	0.029
r_gen_planes_refined	0.014
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2187
Nucleic Acid Atoms
Solvent Atoms	354
Heterogen Atoms	40

Software

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