2NVQ

RNA Polymerase II Elongation Complex in 150 mM Mg+2 with 2'dUTP

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	298	200mM NH4OAc, 150mM Mg(OAc)2, 50mM Hepes, pH 7.0, 5% PEG6000, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
3.74	67.12

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 170.646	α = 90
b = 222.76	β = 101.31
c = 195.281	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		CCD	ADSC QUANTUM 315		2004-02-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	1.00	SSRL	BL11-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.9	48.45	98.9	0.142	8.1	3.2		146322		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	3	3.1	94.9		0.746	1.4	2.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	1SFO	2.9	48.45	141295	4429	92.74	0.23	0.229	0.283	RANDOM	59.84

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]
0.14		-0.4	-0.37		0.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.609
r_dihedral_angle_3_deg	21.37
r_dihedral_angle_4_deg	18.729
r_dihedral_angle_1_deg	6.998
r_scangle_it	3.235
r_scbond_it	1.993
r_angle_refined_deg	1.875
r_mcangle_it	1.503
r_mcbond_it	0.849
r_nbtor_refined	0.322
r_symmetry_hbond_refined	0.263
r_nbd_refined	0.252
r_symmetry_vdw_refined	0.236
r_xyhbond_nbd_refined	0.187
r_chiral_restr	0.127
r_metal_ion_refined	0.049
r_bond_refined_d	0.018
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	28292
Nucleic Acid Atoms	1066
Solvent Atoms
Heterogen Atoms	38

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
Blu-Ice	data collection
HKL-2000	data reduction
SCALEPACK	data scaling
MOLREP	phasing