5C3O

Crystal structure of the C-terminal truncated Neurospora crassa T7H (NcT7HdeltaC) in apo form

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	289	0.2 M (NH4)2SO4, 0.1 M MES, 30%(W/v) PEGMME 5000

Crystal Properties
Matthews coefficient	Solvent content
3.32	62.99

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 119.148	α = 90
b = 119.148	β = 90
c = 56.631	γ = 120

Symmetry
Space Group	P 63

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	RAYONIX MX225HE		2014-01-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL17U	0.9792	SSRF	BL17U

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	2.3	50	100	0.102	11.5	10.5		20591			40.8

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.3	2.38	100		0.54	5	10.6	2062

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	SAD	THROUGHOUT	2.3	50	19527	1053	99.89	0.1978	0.1964	0.2241	RANDOM	50.323

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]
0.16	0.16		0.16		-0.52

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.426
r_dihedral_angle_4_deg	16.233
r_dihedral_angle_3_deg	14.622
r_dihedral_angle_1_deg	5.7
r_angle_other_deg	3.558
r_mcangle_it	3.369
r_mcbond_it	1.888
r_mcbond_other	1.888
r_angle_refined_deg	1.054
r_chiral_restr	0.06

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.426
r_dihedral_angle_4_deg	16.233
r_dihedral_angle_3_deg	14.622
r_dihedral_angle_1_deg	5.7
r_angle_other_deg	3.558
r_mcangle_it	3.369
r_mcbond_it	1.888
r_mcbond_other	1.888
r_angle_refined_deg	1.054
r_chiral_restr	0.06
r_bond_refined_d	0.005
r_gen_planes_refined	0.004
r_gen_planes_other	0.003
r_bond_other_d

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2049
Nucleic Acid Atoms
Solvent Atoms	109
Heterogen Atoms	25

Software

Software
Software Name	Purpose
HKL-2000	data scaling
HKL-2000	data reduction
SADABS	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction

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 R01GM157729.