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AB63571

Anti-Syntaxin 1a (phospho S14) antibody

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(6 Publications)

Rabbit Polyclonal Syntaxin 1a phospho S14 antibody. Suitable for WB and reacts with Mouse samples. Cited in 6 publications. Immunogen corresponding to Synthetic Peptide within Human STX1A phospho S14.

View Alternative Names

STX1, STX1A, Syntaxin-1A, Neuron-specific antigen HPC-1

1 Images
Western blot - Anti-Syntaxin 1a (phospho S14) antibody (AB63571)
  • WB

Unknown

Western blot - Anti-Syntaxin 1a (phospho S14) antibody (AB63571)

All lanes:

Western blot - Anti-Syntaxin 1a (phospho S14) antibody (ab63571) at 1/500 dilution

Lane 1:

Extracts from mouse brain cells (5-30µg)

Lane 2:

Extracts from mouse brain cells (5-30µg), with immunizing phosphopeptide (5-10µg)

Predicted band size: 33 kDa

Observed band size: 33 kDa

false

Key facts

Host species

Rabbit

Clonality

Polyclonal

Isotype

IgG

Carrier free

No

Reacts with

Mouse

Applications

WB

applications

Immunogen

Synthetic Peptide within Human STX1A phospho S14. The exact immunogen used to generate this antibody is proprietary information.

Q16623

Reactivity data

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Properties and storage information

Form
Liquid
Purification technique
Affinity purification Immunogen
Purification notes
Purified from rabbit antiserum by affinity chromatography usingepitope specific phosphopeptide. The antibody against non-phosphopeptide was removed by chromatography using non-phosphopeptide corresponding to the phosphorylation site.
Storage buffer
pH: 7.4 Preservative: 0.02% Sodium azide Constituents: PBS, 50% Glycerol (glycerin, glycerine), 0.87% Sodium chloride
Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
-20°C
Storage information
Stable for 12 months at -20°C

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

Syntaxin 1a also known as STX1A is an essential protein in cellular mechanisms involved in neurotransmitter release. This protein weighing approximately 33 kDa plays a direct role in synaptic vesicle fusion through its function as a member of the SNARE (Soluble N-ethylmaleimide-sensitive factor Attachment protein Receptor) complex. Syntaxin 1a is highly expressed in the brain especially in areas like the hippocampus and cerebral cortex where it facilitates rapid neurotransmission important for communication between neurons.
Biological function summary

The involvement of Syntaxin 1a in synaptic transmission is significant. It forms a complex with other proteins such as SNAP-25 and VAMP enabling the docking and fusion of synaptic vesicles with the presynaptic membrane. This action results in the release of neurotransmitters into the synaptic cleft which then bind to receptors on the postsynaptic neuron to propagate neural signals. Syntaxin 1a ensures efficient synaptic activity and is indispensable for maintaining synaptic plasticity which is critical for learning and memory.

Pathways

Syntaxin 1a is pivotal in the regulation of neurotransmitter release within the synaptic vesicle cycle pathway. This pathway includes the assembly and disassembly of the SNARE complex which are processes vital for neurotransmitter exocytosis. Syntaxin 1a engages closely with proteins like synaptotagmin acting as calcium sensors and Munc18 which helps in initiating SNARE assembly. These interactions highlight the careful orchestration of vesicle trafficking and fusion events necessary for effective synaptic communication.

Dysfunctions in Syntaxin 1a are linked to neurological conditions such as epilepsy and autism spectrum disorders. Alterations or mutations in Syntaxin 1a can lead to improper synaptic vesicle fusion and disrupted neurotransmitter release which are characteristics of these disorders. Additionally Syntaxin 1a interacts with proteins like Munc18-1 whose mutations are associated with similar synaptic transmission deficiencies further implicating the involvement of Syntaxin 1a in these pathologies.

Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:

Target data

Plays an essential role in hormone and neurotransmitter calcium-dependent exocytosis and endocytosis (PubMed : 26635000). Part of the SNARE (Soluble NSF Attachment Receptor) complex composed of SNAP25, STX1A and VAMP2 which mediates the fusion of synaptic vesicles with the presynaptic plasma membrane. STX1A and SNAP25 are localized on the plasma membrane while VAMP2 resides in synaptic vesicles. The pairing of the three SNAREs from the N-terminal SNARE motifs to the C-terminal anchors leads to the formation of the SNARE complex, which brings membranes into close proximity and results in final fusion. Participates in the calcium-dependent regulation of acrosomal exocytosis in sperm (PubMed : 23091057). Also plays an important role in the exocytosis of hormones such as insulin or glucagon-like peptide 1 (GLP-1) (By similarity).
See full target information STX1A phospho S14

Publications (6)

Recent publications for all applications. Explore the full list and refine your search

Science advances 9:eadd8417 PubMed36630507

2023

Syntaxin 1 Ser phosphorylation is required for nonvesicular dopamine release.

Applications

Unspecified application

Species

Unspecified reactive species

Aparna Shekar,Samuel J Mabry,Mary H Cheng,Jenny I Aguilar,Shalin Patel,Daniele Zanella,David P Saleeby,Yanqi Zhu,Tiziana Romanazzi,Paula Ulery-Reynolds,Ivet Bahar,Angela M Carter,Heinrich J G Matthies,Aurelio Galli

International journal of molecular sciences 22: PubMed34948351

2021

CK2 Phosphorylation Is Required for Regulation of Syntaxin 1A Activity in Ca-Triggered Release in Neuroendocrine Cells.

Applications

Unspecified application

Species

Unspecified reactive species

Noa Barak-Broner,Dafna Singer-Lahat,Dodo Chikvashvili,Ilana Lotan

Scientific reports 9:7146 PubMed31073146

2019

The selective disruption of presynaptic JNK2/STX1a interaction reduces NMDA receptor-dependent glutamate release.

Applications

Unspecified application

Species

Unspecified reactive species

Serena Marcelli,Filomena Iannuzzi,Elena Ficulle,Dalila Mango,Stefano Pieraccini,Sara Pellegrino,Massimo Corbo,Maurizio Sironi,Anna Pittaluga,Robert Nisticò,Marco Feligioni

EBioMedicine 2:135-146 PubMed25774383

2015

Rare autism-associated variants implicate syntaxin 1 (STX1 R26Q) phosphorylation and the dopamine transporter (hDAT R51W) in dopamine neurotransmission and behaviors.

Applications

WB

Species

Unspecified reactive species

Etienne Cartier,Peter J Hamilton,Andrea N Belovich,Aparna Shekar,Nicholas G Campbell,Christine Saunders,Thorvald F Andreassen,Ulrik Gether,Jeremy Veenstra-Vanderweele,James S Sutcliffe,Paula G Ulery-Reynolds,Kevin Erreger,Heinrich J G Matthies,Aurelio Galli

FEBS letters 585:414-20 PubMed21187092

2010

Protein kinase CK2 associates to lipid rafts and its pharmacological inhibition enhances neurotransmitter release.

Applications

WB

Species

Rat

Carles Gil,Anton Falqués,Eduard Sarró,Roger Cubi,Juan Blasi,José Aguilera,Emilio Itarte

The Journal of biological chemistry 285:3965-3972 PubMed19748891

2009

Munc18/Syntaxin interaction kinetics control secretory vesicle dynamics.

Applications

ICC/IF, WB

Species

Rat, Rat

Colin Rickman,Rory R Duncan
View all publications

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