3V30

Crystal Structure of the Peptide Bound Complex of the Ankyrin Repeat Domains of Human RFXANK

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	291	0.1M Bis-Tris pH 6.5, 0.2 M ammonium acetate, 25% PEG 3350, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.49	50.64

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 108.804	α = 90
b = 31.499	β = 107.53
c = 63.079	γ = 90

Symmetry
Space Group	C 1 2 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	ADSC QUANTUM 315	Rosenbaum-Rock high-resolution double-crystal monochromator	2010-08-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97924	APS	19-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	1.57	50	99.7	0.039	27.2	4.5		28759

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	1.57	1.61	97.6		0.236		3.8	1839

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 3SO8	1.57	46.88	28745	1480	99.59	0.1656	0.1641	0.1954	RANDOM	15.4991

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]
-0.04		0.67	-0.4		0.84

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.066
r_dihedral_angle_4_deg	17.282
r_dihedral_angle_3_deg	11.125
r_sphericity_free	6.95
r_rigid_bond_restr	5.394
r_dihedral_angle_1_deg	5.377
r_sphericity_bonded	5.364
r_angle_refined_deg	1.208
r_chiral_restr	0.078
r_bond_refined_d	0.009

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.066
r_dihedral_angle_4_deg	17.282
r_dihedral_angle_3_deg	11.125
r_sphericity_free	6.95
r_rigid_bond_restr	5.394
r_dihedral_angle_1_deg	5.377
r_sphericity_bonded	5.364
r_angle_refined_deg	1.208
r_chiral_restr	0.078
r_bond_refined_d	0.009
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1352
Nucleic Acid Atoms
Solvent Atoms	183
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
EPICS-based	data collection
data	data collection
HKL-3000	data reduction
HKL-3000	data scaling

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.