Experiment: 7AS1

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4P1U

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	291.15	Magnesium chloride, Calcium chloride, Tris (base), BICINE, PEG 500, PEG 20000

Crystal Properties
Matthews coefficient	Solvent content
1.95	36.87

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 29.5	α = 71.89
b = 37.25	β = 69.8
c = 38.39	γ = 75.17

Symmetry
Space Group	P 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	PIXEL	DECTRIS PILATUS 300K		2019-03-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.541870

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	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	1.5	34.93	98	0.035	0.042	0.998	18.27	2.538		22637			21.017

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.5	1.54	91.2		0.093	0.131	0.976	4.05	1.29

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	4P1U	1.5	34.93	21508	1129	98.24	0.1516	0.1499	0.185	RANDOM	16.849

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]
0.18	-0.62	0.13	0.53	-0.19	-0.81

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.461
r_dihedral_angle_4_deg	16.712
r_dihedral_angle_3_deg	11.359
r_dihedral_angle_1_deg	7.056
r_angle_refined_deg	1.877
r_angle_other_deg	1.575
r_chiral_restr	0.095
r_bond_refined_d	0.013
r_gen_planes_refined	0.011
r_gen_planes_other	0.003

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.461
r_dihedral_angle_4_deg	16.712
r_dihedral_angle_3_deg	11.359
r_dihedral_angle_1_deg	7.056
r_angle_refined_deg	1.877
r_angle_other_deg	1.575
r_chiral_restr	0.095
r_bond_refined_d	0.013
r_gen_planes_refined	0.011
r_gen_planes_other	0.003
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1271
Nucleic Acid Atoms
Solvent Atoms	236
Heterogen Atoms	30

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
PDB_EXTRACT	data extraction
MOLREP	phasing

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.