2024-10-30 REL RCSB RCSB RCSB 2023-08-09 2023-11-15 2023-11-15 2024-10-30 National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) R01-GM127593 United States Cory MB Li A Kohli RM Damage response, signal transduction, SIGNALING PROTEIN, SIGNALING PROTEIN-DNA complex Cory MB Li A Hurley CM Carman PJ Pumroy RA Hostetler ZM Perez RM Venkatesh Y Li X Gupta K Petersson EJ Kohli RM Nat.Struct.Mol.Biol. US 31 1522 1531 2024 38755298 doi:10.1038/s41594-024-01317-3 1545-9985 8trg FULLOVERLAP SOS Signal Complex consisting of RecA, ssDNA, and LexA SOS Signal Complex consisting of RecA, ssDNA, and LexA 0 1 2 3 Escherichia coli K12 0.48 RecA* activated filament 1 1 3 Escherichia coli K12 LexA Dimer 1 2 Escherichia coli K12 Protein RecA Escherichia coli 0.041119551 8 Escherichia coli LEVO MGSSHHHHHHHHHHHHSSGENLYFQGMAIDENKQKALAAALGQIEKQFGKGSIMRLGEDRSMDVETISTGSLSLDIALGA GGLPMGRIVEIYGPESSGKTTLTLQVIAAAQREGKTCAFIDAEHALDPIYARKLGVDIDNLLCSQPDTGEQALEICDALA RSGAVDVIVVDSVAALTPKAEIEGEIGDSHMGLAARMMSQAMRKLAGNLKQSNTLLIFINQIRMKIGVMFGNPETTTGGN ALKFYASVRLDIRRIGAVKEGENVVGSETRVKVVKNKIAAPFKQAEFQILYGEGINFYGELVDLGVKEKLIEKAGAWYSY KGEKIGQGKANATAWLKDNPETAKEIEKKVRELLLSNPNSTPDFSVDDSEGVAETNEDF P0A7G6 LexA repressor Escherichia coli 0.022612886999999998 2 Escherichia coli BL21(DE3) LEVO GSHMKALTARQQEVFDLIRDHISQTGMPPTRAEIAQRLGFRSPNAAEEHLKALARKGVIEIVSGASRGIRLLQEEEEGLP LVGRVAAGEPLLAQQHIEGHYQVDPSLFKPNADFLLRVSGMSMKDIGIMDGDLLAVHKTQDVRNGQVVVARIDDEVTVAR LKKQGNKVELLPENSEFKPIVVDLRQQSFTIEGLAVGVIRNGDWL P0A7C2 DNA (27-MER) Escherichia coli 0.008618482 1 (DT)(DG)(DG)(DT)(DG)(DG)(DT)(DG)(DG)(DT)(DG)(DG)(DT)(DG)(DG)(DT)(DG)(DG)(DT)(DG) (DG)(DT)(DG)(DG)(DT)(DG)(DG) DNA PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER 0.0005232469999999999 8 AGS MAGNESIUM ION 2.4305e-05 8 MG helical filament 0.2 7.5 70.0 C4H11NO3 tris 150.0 NaCl sodium chloride 1.0 MgCl2 magnesium chloride 2.0 C9H15O6P TCEP 0.25 C10H12Li4N5O12P3S ATP gamma S tetralithium

70 mM Tris, pH 7.5, 150 mM NaCl, 1 mM MgCl2, 2 mM TCEP, 0.25 mM ATPyS

Quantifoil R1.2/1.3 COPPER 300 CARBON HOLEY 10.0 GLOW DISCHARGE 60 AIR 0.03

25 mA current

ETHANE 100 298 FEI VITROBOT MARK IV

Blotting time of 7.0 s; 0.0 blot force.

FEI TITAN KRIOS SPOT SCAN BRIGHT FIELD FIELD EMISSION GUN 300 100.0 2.7 0.5 2.0 64000.0 FEI TITAN KRIOS AUTOGRID HOLDER

Preliminary grid screening was done manually

GATAN K3 (6k x 4k) 1 2748 5.35 46.2

40 frames collected per movie

1 2 16.23 59.2 C1 2.93 FSC 0.143 CUT-OFF cryoSPARC 4.0.3 Local Refinement 233920 3423408 cryoSPARC 4.0.3 Filament Tracer

cryoSPARC automated Filament Tracer using filament diameter of 100A, 17A separation between segments. Minimum and maximum filament diameters of 90A, 150A respectively. Inspect Picks to filter particles with high curvature or sinuosity Local power > 567.940 Local power < 5711.103 Curvature (1/A) < 0.005970 Sinuosity < 1.393924 Low pass filtered particles near micrograph edge.

NOT APPLICABLE AlphaFold in silico model

The initial model was generated via benchling plugin for full-length construct sequence

RIGID BODY FIT REAL emd_41579_additional_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 256 256 256 0 0 0 256 256 256 353.28 353.28 353.28 90.0 90.0 90.0 X Y Z -0.5331731 1.6432242 0.002696294 0.04240324 1.38 1.38 1.38 AUTHOR ::::EMDATABANK.org::::EMD-41579:::: Unsharpened final map from data processing emd_41579_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 256 256 256 0 0 0 256 256 256 353.28 353.28 353.28 90.0 90.0 90.0 X Y Z -0.65191966 2.1474712 0.0015814473 0.07673289 1.38 1.38 1.38 AUTHOR ::::EMDATABANK.org::::EMD-41579:::: Half map of final map emd_41579_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 256 256 256 0 0 0 256 256 256 353.28 353.28 353.28 90.0 90.0 90.0 X Y Z -0.6543292 2.07491 0.0015993718 0.076678224 1.38 1.38 1.38 AUTHOR ::::EMDATABANK.org::::EMD-41579:::: Half map of final map