8P2M

C. elegans TIR-1 protein.

ELECTRON MICROSCOPY

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Refinement

RMS Deviations
Key	Refinement Restraint Deviation
r_lrange_it	42.699
r_dihedral_angle_2_deg	32.533
r_scangle_it	24.411
r_dihedral_angle_4_deg	19.338
r_mcangle_it	17.83
r_scbond_it	14.708
r_dihedral_angle_3_deg	14.068
r_mcbond_it	10.522
r_dihedral_angle_1_deg	7.033
r_angle_refined_deg	1.834
r_nbtor_refined	0.292
r_nbd_refined	0.206
r_chiral_restr	0.14
r_ncsr_local_group_2	0.139
r_ncsr_local_group_5	0.138
r_ncsr_local_group_4	0.137
r_ncsr_local_group_1	0.134
r_ncsr_local_group_7	0.132
r_ncsr_local_group_6	0.131
r_ncsr_local_group_3	0.13
r_ncsr_local_group_8	0.13
r_ncsr_local_group_18	0.114
r_ncsr_local_group_17	0.112
r_ncsr_local_group_9	0.11
r_ncsr_local_group_33	0.11
r_ncsr_local_group_21	0.109
r_ncsr_local_group_16	0.108
r_ncsr_local_group_19	0.107
r_ncsr_local_group_20	0.107
r_ncsr_local_group_12	0.105
r_ncsr_local_group_27	0.105
r_ncsr_local_group_30	0.103
r_ncsr_local_group_23	0.102
r_ncsr_local_group_31	0.101
r_ncsr_local_group_11	0.1
r_ncsr_local_group_26	0.1
r_ncsr_local_group_28	0.1
r_ncsr_local_group_32	0.099
r_ncsr_local_group_15	0.098
r_ncsr_local_group_22	0.098
r_ncsr_local_group_29	0.097
r_ncsr_local_group_10	0.094
r_ncsr_local_group_24	0.093
r_ncsr_local_group_35	0.093
r_ncsr_local_group_13	0.091
r_ncsr_local_group_14	0.09
r_ncsr_local_group_36	0.09
r_ncsr_local_group_25	0.087
r_ncsr_local_group_34	0.084
r_xyhbond_nbd_refined	0.082
r_gen_planes_refined	0.014
r_bond_refined_d	0.01

Sample
C. elegans TIR1.

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument
Cryogen Name	ETHANE
Sample Vitrification Details

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	121487
Reported Resolution (Å)	3.82
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT

Map-Model Fitting and Refinement
Id	1
Refinement Space	RECIPROCAL
Refinement Protocol	FLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details

Data Acquisition
Detector Type	GATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)	41.4

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	TFS KRIOS
Minimum Defocus (nm)	800
Maximum Defocus (nm)	2800
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
IMAGE ACQUISITION	EPU
MODEL FITTING	Coot	9.6
MODEL FITTING	ISOLDE	1.5
INITIAL EULER ASSIGNMENT	cryoSPARC
FINAL EULER ASSIGNMENT	cryoSPARC
MODEL REFINEMENT	REFMAC	5
MODEL REFINEMENT	UCSF ChimeraX	1.5
MODEL REFINEMENT	ISOLDE	1.5

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION		370021