Experiment: 3BS9

X-ray structure of human TIA-1 RRM2

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1CVJ	N-terminal RRM of poly-A binding protein, PDB entry 1CVJ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	295	1:1 mixture of protein with 15% polyethylene glycol 3350, 0.5 M KI, 0.1 M Tris, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
1.87	34.19

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 56.5	α = 90
b = 56.5	β = 90
c = 76.7	γ = 120

Symmetry
Space Group	P 61

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	200	CCD	BRUKER PROTEUM	Multilayer Graded X-ray Optics	2006-08-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	BRUKER AXS MICROSTAR

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.95	24.46	99.8			10156	10137

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	N-terminal RRM of poly-A binding protein, PDB entry 1CVJ	1.95	20	10153	10137	9648	95	0.2156	0.2115	0.2454	0.2415

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]
0.299			0.299		-0.599

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1219
Nucleic Acid Atoms
Solvent Atoms	118
Heterogen Atoms	7

Software

Software
Software Name	Purpose
PROTEUM PLUS	data collection
PHASER	phasing
CNS	refinement
PROTEUM PLUS	data reduction
PROTEUM PLUS	data scaling