4JLQ

Crystal structure of human Karyopherin-beta2 bound to the PY-NLS of Saccharomyces cerevisiae NAB2

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2QMR	PDB entry 2QMR and 4FDD
experimental model	PDB	4FDD	PDB entry 2QMR and 4FDD

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.2	298	CRYSTALLIZATION CONDITIONS: PROTEIN (20 MM HEPES, PH 7.3, 110 MM POTASSIUM ACETATE, 2MM MAGNESIUM ACETATE, 20% GLYCEROL, 2MM DTT); RESERVOIR (MCSG3 #95: 0.7 M SODIUM CITRATE TRIBASIC, 100MM BIS-TRISPROPANTE pH 7.0); CRYOPROTECTION (20% GLYCEROL), temperature 298K, VAPOR DIFFUSION, SITTING DROP

Crystal Properties
Matthews coefficient	Solvent content
3.88	68.26

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 132.234	α = 90
b = 172.383	β = 90
c = 68.443	γ = 90

Symmetry
Space Group	P 21 21 2

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	MIRRORS	2011-10-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A	1.07500	NSLS	X29A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	3.05	50	100	0.123	16.6	8.8		30914

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	3.05	3.1	100		1.18	9	1536

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 2QMR and 4FDD	3.05	47.6	30636	1538	99.93	0.1867	0.1841	0.237	RANDOM	104.7336

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]
-2.82			2.89		-0.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.327
r_dihedral_angle_4_deg	23.163
r_dihedral_angle_3_deg	16.59
r_dihedral_angle_1_deg	6.582
r_angle_refined_deg	1.538
r_angle_other_deg	0.847
r_chiral_restr	0.079
r_bond_refined_d	0.011
r_gen_planes_refined	0.006
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.327
r_dihedral_angle_4_deg	23.163
r_dihedral_angle_3_deg	16.59
r_dihedral_angle_1_deg	6.582
r_angle_refined_deg	1.538
r_angle_other_deg	0.847
r_chiral_restr	0.079
r_bond_refined_d	0.011
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6733
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
CBASS	data collection
HKL-3000	data reduction
SCALEPACK	data scaling
PHASER	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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.