3R27

Crystal structure of the first RRM domain of heterogeneous nuclear ribonucleoprotein L (HnRNP L)

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	287	0.1M HEPES, 25%w/v Polyethylene glycol 3,350, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 287K

Crystal Properties
Matthews coefficient	Solvent content
1.9	35.35

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.17	α = 90
b = 43.17	β = 90
c = 78.53	γ = 120

Symmetry
Space Group	P 31

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	MAR scanner 345 mm plate		2009-06-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH3R	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.03	78.57	99.6	0.071	0.071	14	3.5	10581	10541	2	2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.03	2.14	97.6		0.341	0.037	3.7	3.5	1521

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	PDB ENTRY 1WEX	2.04	39.25	10007	9988	502	99.81	0.20682	0.20437	0.25473	RANDOM	20.021

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]
0.72	0.36		0.72		-1.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.75
r_dihedral_angle_4_deg	28.141
r_dihedral_angle_3_deg	14.921
r_dihedral_angle_1_deg	5.982
r_scangle_it	2.407
r_scbond_it	1.468
r_angle_refined_deg	1.112
r_mcangle_it	0.85
r_mcbond_it	0.422
r_chiral_restr	0.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.75
r_dihedral_angle_4_deg	28.141
r_dihedral_angle_3_deg	14.921
r_dihedral_angle_1_deg	5.982
r_scangle_it	2.407
r_scbond_it	1.468
r_angle_refined_deg	1.112
r_mcangle_it	0.85
r_mcbond_it	0.422
r_chiral_restr	0.08
r_bond_refined_d	0.009
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1278
Nucleic Acid Atoms
Solvent Atoms	82
Heterogen Atoms	30

Software

Software
Software Name	Purpose
MAR345dtb	data collection
PHASES	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	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.