3D97

Crystal Structure of the R132K:R111L:L121E Mutant of Apo-Cellular Retinoic Acid Binding Protein Type II At 1.50 Angstroms Resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	30% (w/v) PEG 4000, 0.1 M Bis-TRIS Propane, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.32	46.94

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 34.553	α = 73.4
b = 37.22	β = 73.7
c = 61.058	γ = 89.73

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	77	CCD	MARRESEARCH		2006-06-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 32-ID	1.00	APS	32-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	1.5	55.9	96.1	0.043	8.3		42526	42526			19.6

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)
	1.5	1.55	93		0.2976	2.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	PDB ENTRY 2FS6	1.5	55.9	41632	4167	93.23	0.161	0.154	0.227	RANDOM	24.517

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]
0.07	-0.25	0.13	-1.26	-0.11	1.18

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.712
r_dihedral_angle_4_deg	14.219
r_dihedral_angle_3_deg	13.252
r_sphericity_free	10.321
r_scangle_it	7.634
r_sphericity_bonded	7.085
r_dihedral_angle_1_deg	6.434
r_scbond_it	5.318
r_mcangle_it	3.848
r_rigid_bond_restr	3.213
r_mcbond_it	2.639
r_angle_refined_deg	2.325
r_nbtor_refined	0.317
r_symmetry_vdw_refined	0.251
r_nbd_refined	0.231
r_xyhbond_nbd_refined	0.186
r_chiral_restr	0.173
r_metal_ion_refined	0.149
r_symmetry_hbond_refined	0.143
r_bond_refined_d	0.028
r_gen_planes_refined	0.012

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2163
Nucleic Acid Atoms
Solvent Atoms	350
Heterogen Atoms	23

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
MOSFLM	data reduction
AUTOMAR	data reduction