2QNA

Crystal structure of human Importin-beta (127-876) in complex with the IBB-domain of Snurportin1 (1-65)

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.55	283	sodium citrate, Ammonium SO4, Ethanol, NaCl, Tris, pH 5.55, VAPOR DIFFUSION, SITTING DROP, temperature 283K

Crystal Properties
Matthews coefficient	Solvent content
2.91	57.66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 64.22	α = 90
b = 79.07	β = 90
c = 208.46	γ = 90

Symmetry
Space Group	P 21 21 21

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	MAR CCD 165 mm		2007-06-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.2	0.91841	BESSY	14.2

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	2.84	3104.26	100	0.192	9.18	4.82		25868	1	1

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	2.84	2.92	100		0.626	2.55	4.92

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	2.84	15	25868	24343	1304	99.99	0.23526	0.23279	0.28247	RANDOM	31.16

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]
-0.82			2.59		-1.77

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.021
r_dihedral_angle_4_deg	18.228
r_dihedral_angle_3_deg	16.688
r_dihedral_angle_1_deg	3.887
r_angle_refined_deg	0.881
r_scangle_it	0.472
r_mcangle_it	0.376
r_nbtor_refined	0.284
r_scbond_it	0.273
r_mcbond_it	0.207
r_nbd_refined	0.171
r_symmetry_vdw_refined	0.138
r_xyhbond_nbd_refined	0.088
r_chiral_restr	0.057
r_symmetry_hbond_refined	0.056
r_bond_refined_d	0.006
r_gen_planes_refined	0.002
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
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	6030
Nucleic Acid Atoms
Solvent Atoms	50
Heterogen Atoms	10

Software

Software
Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345	data collection