3KUS

Crystal structure of the MLLE domain of poly(A)-binding protein in complex with the binding region of Paip2

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	295	2.3M ammonium sulfate, 0.1M HEPES, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
1.77	30.44

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 26.396	α = 100.12
b = 31.61	β = 92.26
c = 48.214	γ = 98.9

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	100	CCD	ADSC QUANTUM 210	mirrors	2009-04-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CHESS BEAMLINE F2	0.9950	CHESS	F2

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	1.4	50	95.9	0.036	33.1	3.9	28308	27147	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	1.4	1.42	90.2		0.24	4	3.5	1857

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	pdb entry 1I2T	1.4	47.35	1	28308	27147	1438	95.73	0.17941	0.17808	0.20514	RANDOM	10.843

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	0.47	-0.1	0.19	-0.15	-0.18

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.68
r_dihedral_angle_3_deg	13.357
r_dihedral_angle_4_deg	9.362
r_dihedral_angle_1_deg	3.864
r_scangle_it	3.085
r_scbond_it	1.997
r_angle_refined_deg	1.052
r_mcangle_it	1.005
r_mcbond_it	0.77
r_nbtor_refined	0.3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.68
r_dihedral_angle_3_deg	13.357
r_dihedral_angle_4_deg	9.362
r_dihedral_angle_1_deg	3.864
r_scangle_it	3.085
r_scbond_it	1.997
r_angle_refined_deg	1.052
r_mcangle_it	1.005
r_mcbond_it	0.77
r_nbtor_refined	0.3
r_nbd_refined	0.209
r_symmetry_vdw_refined	0.174
r_symmetry_hbond_refined	0.16
r_xyhbond_nbd_refined	0.096
r_chiral_restr	0.061
r_bond_refined_d	0.007
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1343
Nucleic Acid Atoms
Solvent Atoms	128
Heterogen Atoms	21

Software

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

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.