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- EMDB-37493: human glycine transporter 1 in complex with ALX-5407 in inward fa... -
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Open data
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Basic information
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Title | human glycine transporter 1 in complex with ALX-5407 in inward facing conformation | |||||||||
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![]() | GlyT1 / ALX-5407 / inward-open / MEMBRANE PROTEIN | |||||||||
Function / homology | ![]() glycine:sodium symporter activity / regulation of synaptic transmission, glycinergic / glycine transmembrane transporter activity / negative regulation of NMDA glutamate receptor activity / positive regulation of heme biosynthetic process / glycine import across plasma membrane / glycine transport / synaptic transmission, glycinergic / positive regulation of hemoglobin biosynthetic process / dense core granule ...glycine:sodium symporter activity / regulation of synaptic transmission, glycinergic / glycine transmembrane transporter activity / negative regulation of NMDA glutamate receptor activity / positive regulation of heme biosynthetic process / glycine import across plasma membrane / glycine transport / synaptic transmission, glycinergic / positive regulation of hemoglobin biosynthetic process / dense core granule / Na+/Cl- dependent neurotransmitter transporters / neurotransmitter transport / parallel fiber to Purkinje cell synapse / transport across blood-brain barrier / lateral plasma membrane / sodium ion transmembrane transport / hippocampal mossy fiber to CA3 synapse / basal plasma membrane / synaptic vesicle membrane / presynaptic membrane / basolateral plasma membrane / postsynaptic membrane / postsynaptic density / endosome / apical plasma membrane / membrane / plasma membrane Similarity search - Function | |||||||||
Biological species | ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.35 Å | |||||||||
![]() | Wei Y / Zhao Y | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Transport mechanism and pharmacology of the human GlyT1. Authors: Yiqing Wei / Renjie Li / Yufei Meng / Tuo Hu / Jun Zhao / Yiwei Gao / Qinru Bai / Na Li / Yan Zhao / ![]() Abstract: The glycine transporter 1 (GlyT1) plays a crucial role in the regulation of both inhibitory and excitatory neurotransmission by removing glycine from the synaptic cleft. Given its close association ...The glycine transporter 1 (GlyT1) plays a crucial role in the regulation of both inhibitory and excitatory neurotransmission by removing glycine from the synaptic cleft. Given its close association with glutamate/glycine co-activated NMDA receptors (NMDARs), GlyT1 has emerged as a central target for the treatment of schizophrenia, which is often linked to hypofunctional NMDARs. Here, we report the cryo-EM structures of GlyT1 bound with substrate glycine and drugs ALX-5407, SSR504734, and PF-03463275. These structures, captured at three fundamental states of the transport cycle-outward-facing, occluded, and inward-facing-enable us to illustrate a comprehensive blueprint of the conformational change associated with glycine reuptake. Additionally, we identified three specific pockets accommodating drugs, providing clear insights into the structural basis of their inhibitory mechanism and selectivity. Collectively, these structures offer significant insights into the transport mechanism and recognition of substrate and anti-schizophrenia drugs, thus providing a platform to design small molecules to treat schizophrenia. | |||||||||
History |
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Structure visualization
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 59.8 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 13.6 KB 13.6 KB | Display Display | ![]() |
Images | ![]() | 21.2 KB | ||
Filedesc metadata | ![]() | 5.6 KB | ||
Others | ![]() ![]() | 59.5 MB 59.5 MB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 8wfjMC ![]() 8wfiC ![]() 8wfkC ![]() 8wflC M: atomic model generated by this map C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
EMDB pages | ![]() ![]() |
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Related items in Molecule of the Month |
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Map
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Voxel size | X=Y=Z: 0.82 Å | ||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
-Half map: #2
File | emd_37493_half_map_1.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Half map: #1
File | emd_37493_half_map_2.map | ||||||||||||
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Density Histograms |
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Sample components
-Entire : human glycine transporter 1
Entire | Name: human glycine transporter 1 |
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Components |
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-Supramolecule #1: human glycine transporter 1
Supramolecule | Name: human glycine transporter 1 / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1 |
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Source (natural) | Organism: ![]() |
-Macromolecule #1: Sodium- and chloride-dependent glycine transporter 1
Macromolecule | Name: Sodium- and chloride-dependent glycine transporter 1 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 72.533148 KDa |
Recombinant expression | Organism: ![]() |
Sequence | String: MSGGDTRAAI ARPRMAAAHG PVAPSSPEQN GAVPSEATKR DQNLKRGNWG NQIEFVLTSV GYAVGLGNVW RFPYLCYRNG GGAFMFPYF IMLIFCGIPL FFMELSFGQF ASQGCLGVWR ISPMFKGVGY GMMVVSTYIG IYYNVVICIA FYYFFSSMTH V LPWAYCNN ...String: MSGGDTRAAI ARPRMAAAHG PVAPSSPEQN GAVPSEATKR DQNLKRGNWG NQIEFVLTSV GYAVGLGNVW RFPYLCYRNG GGAFMFPYF IMLIFCGIPL FFMELSFGQF ASQGCLGVWR ISPMFKGVGY GMMVVSTYIG IYYNVVICIA FYYFFSSMTH V LPWAYCNN PWNTHDCAGV LDASNLTNGS RPAALPSNLS HLLNHSLQRT SPSEEYWRLY VLKLSDDIGN FGEVRLPLLG CL GVSWLVV FLCLIRGVKS SGKVVYFTAT FPYVVLTILF VRGVTLEGAF DGIMYYLTPQ WDKILEAKVW GDAASQIFYS LGC AWGGLI TMASYNKFHN NCYRDSVIIS ITNCATSVYA GFVIFSILGF MANHLGVDVS RVADHGPGLA FVAYPEALTL LPIS PLWSL LFFFMLILLG LGTQFCLLET LVTAIVDEVG NEWILQKKTY VTLGVAVAGF LLGIPLTSQA GIYWLLLMDN YAASF SLVV ISCIMCVAIM YIYGHRNYFQ DIQMMLGFPP PLFFQICWRF VSPAIIFFIL VFTVIQYQPI TYNHYQYPGW AVAIGF LMA LSSVLCIPLY AMFRLCRTDG DTLLQRLKNA TKPSRDWGPA LLEHRTGRYA PTIAPSPEDG FEVQPLHPDK AQIPIVG SN GSSRLQDSRI UniProtKB: Sodium- and chloride-dependent glycine transporter 1 |
-Macromolecule #2: ALX5407
Macromolecule | Name: ALX5407 / type: ligand / ID: 2 / Number of copies: 1 / Formula: W5F |
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Molecular weight | Theoretical: 393.451 Da |
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Buffer | pH: 7.5 |
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Vitrification | Cryogen name: ETHANE |
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Electron microscopy
Microscope | FEI TITAN KRIOS |
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Image recording | Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Average electron dose: 60.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.2 µm / Nominal defocus min: 1.2 µm |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Image processing
Startup model | Type of model: OTHER |
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Final reconstruction | Resolution.type: BY AUTHOR / Resolution: 3.35 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 154181 |
Initial angle assignment | Type: ANGULAR RECONSTITUTION |
Final angle assignment | Type: ANGULAR RECONSTITUTION |