2024-10-30 REL RCSB RCSB RCSB 2022-06-20 2023-03-08 2023-03-08 2024-10-30 National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) K08GM132781 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) R01GM145918 United States Cryo-EM structure of the zebrafish two pore domain K+ channel TREK1 (K2P2.1) in DDM/POPE mixed micelles Schmidpeter PAM Nimigean CM Riegelhaupt PM ion channel, K2P, K2P2.1, TREK1, TREK-1, POPE, MEMBRANE PROTEIN Schmidpeter PAM Petroff 2nd JT Khajoueinejad L Wague A Frankfater C Cheng WWL Nimigean CM Riegelhaupt PM Membrane phospholipids control gating of the mechanosensitive potassium leak channel TREK1. Nat Commun UK 14 1077 1077 2023 36841877 doi:10.1038/s41467-023-36765-w 2041-1723 8de9 FULLOVERLAP Potassium channel subfamily K member 2 Potassium channel subfamily K member 2 0 1 Danio rerio Potassium channel, subfamily K, member 2a Danio rerio 0.035559383 2 Komagataella pastoris LEVO MAAPDLLDPKSATHNTKPRLSFSSKPIVYNSGDDCESITTVMKWKTVLAIFLLVVLYLIIGATVFKALEQPEEGLQKYRI IQEKIDFLSMHTCVQTSELEDLVKQVVLAIRAGVNPSGHPSQESSMWDLSSSFFFAGTVITTIGFGNVSPHTEGGRIFCI IYALLGIPLFGFLLAGVGDQLGTIFGKGIAKVEKMFVKWNVSQTKIRVTSTVLFILFGCLLFVALPALIFQHIEGWSALE SIYFVVITLTTIGFGDFVAGGSEIEYLDYYKPIVWFWILVGLAYFAAVLSMIGDWLRVISKKTKEEVGEFRAHAAEWTAN V X1WC65 (1S)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL STEARATE 0.0007200119999999999 1 PEV POTASSIUM ION 3.9098e-05 3 K singleParticle particle 3 8.0
150mM KCl, 20mM TRIS, 0.25mM DDM, 0.025 mg/ml POPE
 UltrAuFoil R1.2/1.3 GOLD 300 GLOW DISCHARGE 0.03 ETHANE 100 294 FEI VITROBOT MARK IV TFS KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 1.3 2.0 105000.0 FEI TITAN KRIOS AUTOGRID HOLDER NITROGEN Leginon GATAN K3 BIOQUANTUM (6k x 4k) SUPER-RESOLUTION 2 52.81
Collected in two sessions. Dose for second session was 53.83
 1 398289
ab-initio model created in RELION
 3.4 FSC 0.143 CUT-OFF RELION 3.1.2 105608 MAXIMUM LIKELIHOOD RELION 3.1.2 MAXIMUM LIKELIHOOD RELION 3.1.2 emd_27388.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 192 192 192 0 0 0 192 192 192 245.376 245.376 245.376 90.0 90.0 90.0 X Y Z -0.06783603 0.100875035 0.000008241768 0.002009168 1.278 1.278 1.278 0.0146 AUTHOR drTREK1 in DDM/POPE mixed micelles map (C1 symmetry) UCSF Chimera 1.14.0 Model was first docked into density using Chimera Fit in Map tool emd_27388_msk_1.map emd_27388_additional_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 192 192 192 0 0 0 192 192 192 245.376 245.376 245.376 90.0 90.0 90.0 X Y Z -0.07507988 0.100331165 0.0000058438795 0.0020054101 1.278 1.278 1.278 AUTHOR drTREK1 in DDM/POPE mixed micelles map (C2 symmetry) emd_27388_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 192 192 192 0 0 0 192 192 192 245.376 245.376 245.376 90.0 90.0 90.0 X Y Z -0.08130794 0.11123698 0.000008168338 0.0027973831 1.278 1.278 1.278 AUTHOR drTREK1 in DDM/POPE mixed micelles halfmap2 (C1 symmetry) emd_27388_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 192 192 192 0 0 0 192 192 192 245.376 245.376 245.376 90.0 90.0 90.0 X Y Z -0.07466999 0.11665399 0.00000830782 0.0028030274 1.278 1.278 1.278 AUTHOR drTREK1 in DDM/POPE mixed micelles halfmap1 (C1 symmetry)