3KUT

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	6	295	2.25M ammonium sulfate, 0.2M KBr, 0.1 M Bis-Tris, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
1.75	29.89

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 26.309	α = 100.29
b = 31.748	β = 90.37
c = 48.454	γ = 99.05

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	1.5	50	96.6	0.04	20.8	2.4	23114	22328	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	1.5	1.53	93.2		0.233	3.4	2.3	1593

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	1.5	47.62	1	23114	22328	1188	96.54	0.16917	0.1675	0.20065	RANDOM	12.764

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]
0.2	0.38	0.22	-0.16	-0.18	0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.531
r_dihedral_angle_3_deg	12.731
r_dihedral_angle_4_deg	10.345
r_dihedral_angle_1_deg	3.977
r_scangle_it	3.147
r_scbond_it	2.03
r_angle_refined_deg	1.125
r_mcangle_it	0.985
r_mcbond_it	0.81
r_nbtor_refined	0.3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.531
r_dihedral_angle_3_deg	12.731
r_dihedral_angle_4_deg	10.345
r_dihedral_angle_1_deg	3.977
r_scangle_it	3.147
r_scbond_it	2.03
r_angle_refined_deg	1.125
r_mcangle_it	0.985
r_mcbond_it	0.81
r_nbtor_refined	0.3
r_nbd_refined	0.215
r_symmetry_vdw_refined	0.172
r_symmetry_hbond_refined	0.149
r_xyhbond_nbd_refined	0.141
r_chiral_restr	0.063
r_bond_refined_d	0.009
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1451
Nucleic Acid Atoms
Solvent Atoms	176
Heterogen Atoms	2

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 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.