6NT3: Human-cockroach hybrid Nav channel

Cryo-EM structure of a human-cockroach hybrid Nav channel. Determined by electron microscopy at 3.4 Å resolution. Released 20 Feb 2019.

Method
Electron microscopy
Resolution
3.4 Å
Organisms
Periplaneta americana, Homo sapiens
Chains
1
Atoms
10,934
Mol. weight
186.82 kDa
Ligands
NAG, Y01, 76F, LHG
Released
20 Feb 2019

Explore 6NT3 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

6NT3 contains 69 α-helices and 13 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 69 helices, 13 β-strands

ElementResiduesLengthSheet
α-helix53-564
α-helix99-1079
α-helix130-1378
α-helix142-15716
α-helix165-18521
α-helix192-1943
α-helix196-1983
α-helix200-21617
α-helix231-2399
α-helix245-27935
β-strand287-29041
β-strand29612
β-strand29912
α-helix305-3095
α-helix313-3153
β-strand31611
α-helix325-3273
β-strand341-34441
α-helix361-37212
α-helix377-38711
α-helix390-3923
α-helix393-40311
α-helix410-43122
α-helix504-51411
α-helix519-53517
α-helix545-57026
α-helix585-60218
α-helix612-6198
α-helix625-63511
α-helix639-66224
α-helix666-6694
α-helix687-69812
α-helix703-71210
α-helix718-7269
α-helix729-7335
α-helix734-7374
α-helix839-85315
α-helix856-87116
α-helix884-91229
α-helix915-9184
α-helix921-93717
α-helix944-9474
α-helix948-9514
α-helix953-9586
α-helix959-9624
α-helix969-100436
β-strand1009-101133
β-strand101214
β-strand101814
β-strand102615
α-helix1027-10326
β-strand1037-103933
α-helix1048-105710
α-helix1064-10729
β-strand107815
α-helix1079-10813
α-helix1086-10883
α-helix1089-109911
α-helix1104-11063
α-helix1108-11103
α-helix1112-112211
α-helix1133-11419
α-helix1158-11614
α-helix1164-11674
α-helix1177-118610
α-helix1196-122328
α-helix1232-125019
α-helix1261-12677
α-helix1268-127912
α-helix1284-129310
α-helix1297-132024
α-helix1339-134911
α-helix1355-13628
α-helix1385-13917
α-helix1403-142220
α-helix1429-14357
β-strand144816
α-helix1453-14564
α-helix1462-14643
α-helix1471-14766
β-strand148716
α-helix1489-150416

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Sodium channel protein type 9 subunit alpha, Sodium channel protein PaFPC1, chimeric constructAprotein1559Periplaneta americana, Homo sapiensD0E0C2 (AlphaFold model), Q15858 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>6NT3_1 Sodium channel protein type 9 subunit alpha, Sodium channel protein PaFPC1, chimeric construct (chains A)
WSHPQFEKGGGSGGGSGGSAWSHPQFEKGGSGGDYKDDDDKGGSGGDYKDDDDKMADNSP
LIREERQRLFRPYTRAMLTAPSAQPAKENGKTEENKDNSRDKGRGANKDRDGSAHPDQAL
EQGSRLPARMRNIFPAELASTPLEDFDPFYKNKKTFVVVTKAGDIFRFSGEKSLWMLDPF
TPIRRVAISTMVQPIFSYFIMITILIHCIFMIMPATQTTYILELVFLSIYTIEVVVKVLA
RGFILHPFAYLRDPWNWLDFLVTLIGYITLVVDLGHLYALRAFRVLRSWRTVTIVPGWRT
IVDALSLSITSLKDLVLLLLFSLSVFALIGLQLFMGNLKHKCVKHFPADGSWGNFTDERW
FNYTSNSSHWYIPDDWIEYPLCGNSSGAGMCPPGYTCLQGYGGNPNYGYTSFDTFGWAFL
SVFRLVTLDYWEDLYQLALRSAGPWHILFFIIVVFYGTFCFLNFILAVVVMSYTHMVKRA
DEEKAAERELKKEKKAASVANNTANGQEQTTIEMNGDEAVVIDNNDQAARQQSDPETPAP
SVTQRLTDFLCVWDCCVPWQKLQGAIGAVVLSPFFELFIAVIIVLNITFMALDHHDMNIE
FERILRTGNYIFTSIYIVEAVLKIIALSPKFYFKDSWNVFDFIIVVFAILELGLEGVQGL
SVFRSFRLLRVFRLAKFWPTLNNFMSVMTKSYGAFVNVMYVMFLLLFIFAIIGMQLFGMN
YIDNMERFPDGDLPRWNFTDFLHSFMIVFRALCGEWIESMWDCMLVGDWSCIPFFVAVFF
VGNLVILNLLIALLLNNYGSFCTSPTSDEEDSKDEDALAQIVRIFKRFKPNLNAVKLSPM
KPDSEDIVESQEIQGNNIADAEDVLAGEFPPDCCCNAFYKCFPSRPARDSSVQRMWSNIR
RVCFLLAKNKYFQKFVTAVLVITSVLLALEDIYLPQRPVLVNITLYVDYVLTAFFVIEMI
IMLFAVGFKKYFTSKWYWLDFIVVVAYLLNFVLMCAGIEALQTLRLLRVFRLFRPLSKVN
GMQVVTSTLVEAVPHIFNVILVGIFFWLVFAIMGVQLFAGKFYKCVDENSTVLSHEITMD
RNDCLHENYTWENSPMNFDHVGNAYLSLLQVATFKGWLQIMNDAIDSREVHKQPIRETNI
YMYLYFIFFIVFGSFFILKLFVCILIDIFRQQRRKAEGLSATDSRTQLIYRRAVMRTMSA
KPVKRIPKPGNKIQGCIFDLVTNQAFDISIMVLICLNMVTMMVEKEGQSQHMTEVLYWIN
VVFIILFTGECVLKLISLRHYYFTVGWNIFDFVVVIISIVGMFLADLIETYFVSPTLFRV
IRLARIGRILRLVKGAKGIRLLLLALRKALRTLFNVSFLLFVIMFVYAVFGMEFFMHIRD
AGAIDDVYNFKTFGQSIILLFQLATSAGWDGVYFAIANEEDCRAPDHELGYPGNCGSRAL
GIAYLVSYLIITCLVVINMYAAVILDYVLEVYEDSKEGLTDDDYDMFFEVWQQFDPEATQ
YIRYDQLSELLEALQPPLQVQKPNKYKILSMNIPICKDDHIFYKDVLEALVKDVFSRRG

Ligands and cofactors

IDNameFormulaCopies
NAG2-acetamido-2-deoxy-beta-D-glucopyranoseC8 H15 N O64
Y01Cholesterol hemisuccinateC31 H50 O41
76F(7E,21R,24S)-27-amino-24-hydroxy-18,24-dioxo-19,23,25-trioxa-24lambda~5~-phosph…C41 H76 N O8 P4
LHG1,2-dipalmitoyl-phosphatidyl-glyceroleC38 H75 O10 P1
AJPDigitoninC56 H92 O291

Primary citation

Cryo-EM structures of a human-cockroach hybrid Nav channel in the presence and absence of the alpha-scorpion toxin AaH2. Clairfeuille, T., Rohou, A., Payandeh, J. Science (2019).

Other PDB entries of the same protein (UniProt D0E0C2 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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