2YU9

RNA polymerase II elongation complex in 150 mm MG+2 with UTP

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, pH 7.00, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
3.88	68.31

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 170.61	α = 90
b = 222.729	β = 101.87
c = 196.16	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	100	CCD	ADSC QUANTUM 315		2005-03-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1		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	3.4	20	93	0.09	10.4	2.6		91438		-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	3.4	3.5	76.6		0.361	1.3	1.4

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	3.4	19.98	85341	2609	89.95	0.28517	0.28339	0.34392	RANDOM	153.436

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]
-0.24		-1.52	0.79		-1.18

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.293
r_dihedral_angle_3_deg	23.196
r_dihedral_angle_4_deg	19.52
r_dihedral_angle_1_deg	9.076
r_angle_refined_deg	1.474
r_scangle_it	1.366
r_mcangle_it	0.85
r_scbond_it	0.807
r_mcbond_it	0.461
r_metal_ion_refined	0.399
r_nbtor_refined	0.317
r_nbd_refined	0.277
r_symmetry_vdw_refined	0.227
r_xyhbond_nbd_refined	0.207
r_symmetry_hbond_refined	0.164
r_chiral_restr	0.091
r_bond_refined_d	0.017
r_gen_planes_refined	0.007
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	28396
Nucleic Acid Atoms	1066
Solvent Atoms
Heterogen Atoms	39

Software

Software
Software Name	Purpose
REFMAC	refinement