2026-09-23 REL RCSB INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY RCSB RCSB 2026-02-18 2026-09-23 2026-09-23 2026-09-23 National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) R01GM145719 United States Human Slo1-Charybdotoxin complex under divalent chelated condition - gating ring masked map Chowdhury S Pal K Kallure GS BK, human BK, hSlo1, charybdotoxin, ion channel, MEMBRANE PROTEIN, MEMBRANE PROTEIN-TOXIN complex Kallure GS Pal K Prather GW Chowdhury S Structural underpinnings of human Slo1 inhibition by scorpion and fungal toxins. Proc.Natl.Acad.Sci.USA US 123 e2606537123 e2606537123 2026 42735318 doi:10.1073/pnas.2606537123 1091-6490 0040 PNASA6 11de FULLOVERLAP EMDB EMD-75632 associated EM volume
Human Slo1-Charybdotoxin complex under divalent chelated condition - gating ring masked map
 human Slo1 in complex with a scorpion toxin, charybdotoxin human Slo1 in complex with a scorpion toxin, charybdotoxin 0 1 2 Calcium-activated potassium channel subunit alpha-1 Homo sapiens 0.119988062 4 Homo sapiens LEVO MDALIIPVTMEVPCDSRGQRMWWAFLASSMVTFFGGLFIILLWRTLKYLWTVCCHCGGKTKEAQKINNGSSQADGTLKPV DEKEEAVAAEVGWMTSVKDWAGVMISAQTLTGRVLVVLVFALSIGALVIYFIDSSNPIESCQNFYKDFTLQIDMAFNVFF LLYFGLRFIAANDKLWFWLEVNSVVDFFTVPPVFVSVYLNRSWLGLRFLRALRLIQFSEILQFLNILKTSNSIKLVNLLS IFISTWLTAAGFIHLVENSGDPWENFQNNQALTYWECVYLLMVTMSTVGYGDVYAKTTLGRLFMVFFILGGLAMFASYVP EIIELIGNRKKYGGSYSAVSGRKHIVVCGHITLESVSNFLKDFLHKDRDDVNVEIVFLHNISPNLELEALFKRHFTQVEF YQGSVLNPHDLARVKIESADACLILANKYCADPDAEDASNIMRVISIKNYHPKIRIITQMLQYHNKAHLLNIPSWNWKEG DDAICLAELKLGFIAQSCLAQGLSTMLANLFSMRSFIKIEEDTWQKYYLEGVSNEMYTEYLSSAFVGLSFPTVCELCFVK LKLLMIAIEYKSANRESRILINPGNHLKIQEGTLGFFIASDAKEVKRAFFYCKACHDDITDPKRIKKCGCKRLEDEQPST LSPKKKQRNGGMRNSPNTSPKLMRHDPLLIPGNDQIDNMDSNVKKYDSTGMFHWCAPKEIEKVILTRSEAAMTVLSGHVV VCIFGDVSSALIGLRNLVMPLRASNFHYHELKHIVFVGSIEYLKREWETLHNFPKVSILPGTPLSRADLRAVNINLCDMC VILSANQNNIDDTSLQDKECILASLNIKSMQFDDSIGVLQANSQGFTPPGMDRSSPDNSPVHGMLRQPSITTGVNIPIIT ELVNDTNVQFLDQDDDDDPDTELYLTQPFACGTAFAVSVLDSLMSATYFNDNILTLIRTLVTGGATPELEALIAEENALR GGYSTPQTLANRDRCRVAQLALLDGPFADLGDGGCYGDLFCKALKTYNMLCFGIYRLRDAHLSTPSQCTKRYVITNPPYE FELVPTDLIFCLMQFDSNSLEVLFQ Q12791 Potassium channel toxin alpha-KTx 1.1 Leiurus quinquestriatus 0.004309998 1 LEVO (PCA)FTNVSCTTSKECWSVCQRLHNTSRGKCMNKKCRCYS P13487 POTASSIUM ION 3.9098e-05 3 K 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine 0.0007600759999999999 36 LBN Digitonin 0.0012293119999999998 36 AJP [(2R)-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-hexadecanoyloxy-propan-2-yl] octadecanoate 0.0007200119999999999 4 DKB water 1.8015e-05 4 HOH singleParticle particle 7.8 ETHANE TFS KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 0.8 2.1 GATAN K3 BIOQUANTUM (6k x 4k) 72.0 1 PHASE FLIPPING AND AMPLITUDE CORRECTION 3.0 FSC 0.143 CUT-OFF cryoSPARC 283043 MAXIMUM LIKELIHOOD MAXIMUM LIKELIHOOD emd_75632.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 300 300 300 0 0 0 300 300 300 276.47998 276.47998 276.47998 90.0 90.0 90.0 X Y Z -0.7473634 1.203919 0.004809318 0.028203065 0.9215999 0.9215999 0.9215999 0.12 AUTHOR Sharpened map emd_75632_msk_1.map emd_75632_additional_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 300 300 300 0 0 0 300 300 300 276.47998 276.47998 276.47998 90.0 90.0 90.0 X Y Z -0.1791594 0.4573376 0.0048093176 0.017452797 0.9215999 0.9215999 0.9215999 AUTHOR Unsharpened map emd_75632_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 300 300 300 0 0 0 300 300 300 276.47998 276.47998 276.47998 90.0 90.0 90.0 X Y Z -0.32706785 0.54194945 0.0018812135 0.043537617 0.9215999 0.9215999 0.9215999 AUTHOR Half-map B emd_75632_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 300 300 300 0 0 0 300 300 300 276.47998 276.47998 276.47998 90.0 90.0 90.0 X Y Z -0.3249958 0.55169564 0.0018916865 0.043453127 0.9215999 0.9215999 0.9215999 AUTHOR Half map A