9VWS: Human serotonin transporter

Cryo-EM structure of human serotonin transporter in complex with tesofensine. Determined by electron microscopy at 3.2 Å resolution. Released 22 Jul 2026.

Method
Electron microscopy
Resolution
3.2 Å
Organism
Homo sapiens
Chains
1
Atoms
4,364
Mol. weight
71.27 kDa
Ligands
A1EA1, Y01
Released
22 Jul 2026

Explore 9VWS in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

9VWS contains 37 α-helices and 6 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: 37 helices, 6 β-strands

ElementResiduesLengthSheet
α-helix85-9612
α-helix100-1034
α-helix105-1117
β-strand11411
α-helix118-1247
α-helix125-1295
α-helix130-14314
α-helix151-1544
α-helix156-1583
α-helix160-18930
α-helix227-2315
α-helix232-2376
α-helix239-2413
β-strand25112
α-helix253-26917
α-helix274-28411
α-helix287-30014
α-helix306-3105
β-strand31511
α-helix317-3215
α-helix323-33715
α-helix343-3497
α-helix357-39034
α-helix394-3963
α-helix403-4042
α-helix405-4095
α-helix410-4167
α-helix421-45333
α-helix463-47715
α-helix478-4814
β-strand48212
α-helix485-49612
α-helix499-51012
α-helix511-5177
α-helix518-52811
α-helix535-5395
α-helix540-5445
α-helix545-55713
β-strand564-56523
β-strand568-56923
α-helix572-58615
α-helix588-59912
α-helix604-6129

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Sodium-dependent serotonin transporterAprotein630Homo sapiensP31645 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>9VWS_1 Sodium-dependent serotonin transporter (chains A)
METTPLNSQKQLSACEDGEDCQENGVLQKVVPTPGDKVESGQISNGYSAVPSPGAGDDTR
HSIPATTTTLVAELHQGERETWGKKVDFLLSVIGYAVDLGNVWRFPYICYQNGGGAFLLP
YTIMAIFGGIPLFYMELALGQYHRNGCISIWRKICPIFKGIGYAICIIAFYIASYYNTIM
AWALYYLISSFTDQLPWTSCKNSWNTGNCTNYFSEDNITWTLHSTSPAEEFYTRHVLQIH
RSKGLQDLGGISWQLALCIMLIFTVIYFSIWKGVKTSGKVVWVTATFPYIILSVLLVRGA
TLPGAWRGVLFYLKPNWQKLLETGVWIDAAAQIFFSLGPGFGVLLAFASYNKFNNNCYQD
ALVTSVVNCMTSFVSGFVIFTVLGYMAEMRNEDVSEVAKDAGPSLLFITYAEAIANMPAS
TFFAIIFFLMLITLGLDSTFAGLEGVITAVLDEFPHVWAKRRERFVLAVVITCFFGSLVT
LTFGGAYVVKLLEEYATGPAVLTVALIEAVAVSWFYGITQFCRDVKEMLGFSPGWFWRIC
WVAISPLFLLFIICSFLMSPPQLRLFQYNYPYWSIILGYCIGTSSFICIPTYIAYRLIIT
PGTFKERIIKSITPETPTEIPCGDIRLNAV

Ligands and cofactors

IDNameFormulaCopies
A1EA1(1~{R},2~{R},3~{S},5~{S})-3-(3,4-dichlorophenyl)-2-(ethoxymethyl)-8-methyl-8-az…C17 H23 Cl2 N O1
Y01Cholesterol hemisuccinateC31 H50 O41

Water and common crystallization additives (CL, NA) are not listed.

Primary citation

Structural basis for pharmacotherapeutic action of triple reuptake inhibitors. Li, Y., Meng, Y., Li, N. et al. Nat Commun (2025) 17:61-61. DOI 10.1038/s41467-025-66670-3 · PubMed

Other PDB entries of the same protein (UniProt P31645 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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