3TO8 | pdb_00003to8

Crystal structure of the two C-terminal RRM domains of heterogeneous nuclear ribonucleoprotein L (hnRNP L)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2ADC	PDB ENTRY 2ADC

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	287	30% v/v Pentaerythritol ethoxylate (15/4 EO/OH), 0.05M Ammonium sulfate, 0.05M BIS-TRIS pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 287K

Crystal Properties
Matthews coefficient	Solvent content
1.86	34

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 36.569	α = 90
b = 56.545	β = 90
c = 88.736	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	MARMOSAIC 225 mm CCD		2011-04-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL17U	0.97907	SSRF	BL17U

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	1.82	50	99.9	0.074	0.074	23.816	6.5	17155	17147	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	1.82	1.85	100		0.438	0.438	4.75	6.6	830

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 (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2ADC	1.82	47.69	16253	16234	865	99.88	0.19262	0.19239	0.18963	0.1976	0.24274	0.2479	RANDOM	21.016

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]
0.01			-1.15		1.14

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.131
r_dihedral_angle_4_deg	18.411
r_dihedral_angle_3_deg	13.382
r_dihedral_angle_1_deg	5.548
r_scangle_it	2.489
r_scbond_it	1.565
r_angle_refined_deg	1.241
r_mcangle_it	1.007
r_mcbond_it	0.569
r_chiral_restr	0.091
r_bond_refined_d	0.01
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1564
Nucleic Acid Atoms
Solvent Atoms	71
Heterogen Atoms	24

Software

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