6UTY

E. coli sigma-S transcription initiation complex with a mismatching CTP ("Old" crystal soaked with CTP for 30 minutes)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	295	PEG3350, sodium chloride, HEPES

Crystal Properties
Matthews coefficient	Solvent content
2.65	53.51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 132.576	α = 90
b = 152.729	β = 90
c = 229.85	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	PIXEL	DECTRIS PILATUS 6M-F		2017-07-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-E	0.97918	APS	24-ID-E

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	CC (Half)	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	4.15	49	99.3	0.999	10.24	13.4		35751

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	4.15	4.4	95.9		0.139	0.5	13.1

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	5IPL	4.15	48.96	35322	1698	98.024	0.305	0.3016	0.37	277.767

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]
0.012			0.56		-0.572

RMS Deviations
Key	Refinement Restraint Deviation
r_lrange_it	33.579
r_lrange_other	33.579
r_dihedral_angle_2_deg	19.617
r_mcangle_it	16.665
r_mcangle_other	16.665
r_dihedral_angle_3_deg	15.875
r_dihedral_angle_4_deg	12.692
r_scangle_it	12.55
r_scangle_other	12.549
r_mcbond_it	9.509
r_mcbond_other	9.507
r_scbond_it	6.746
r_scbond_other	6.735
r_dihedral_angle_1_deg	5.426
r_angle_refined_deg	1.15
r_angle_other_deg	0.453
r_nbd_other	0.371
r_symmetry_xyhbond_nbd_refined	0.344
r_symmetry_nbd_refined	0.297
r_xyhbond_nbd_refined	0.236
r_nbd_refined	0.228
r_symmetry_nbd_other	0.219
r_nbtor_refined	0.161
r_symmetry_xyhbond_nbd_other	0.124
r_ncsr_local_group_1	0.118
r_metal_ion_refined	0.078
r_gen_planes_refined	0.052
r_gen_planes_other	0.047
r_chiral_restr	0.043
r_xyhbond_nbd_other	0.041
r_bond_refined_d	0.005
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	27572
Nucleic Acid Atoms	1356
Solvent Atoms
Heterogen Atoms	33

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XDS	data scaling
PHASER	phasing