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- Table of Contents
Designing a Western blot for Syntaxin-1A? The guide has the expected band size, antibodies backed by real blot images, the controls to run alongside, and protocols taken from published papers.
Open the STX1A Western Blot GuideFacts about Syntaxin-1A.
May mediate Ca(2+)- regulation of exocytosis acrosomal reaction in sperm. .
| Human | |
|---|---|
| Gene Name: | STX1A |
| Uniprot: | Q16623 |
| Entrez: | 6804 |

| Belongs to: |
|---|
| syntaxin family |

Brain Syntaxin; HPC-1; Neuron-specific antigen HPC-1; p35-1; STX1A; STX1P35-1; SYN1A; syntaxin 1A (brain); Syntaxin 1A; syntaxin-1A
Mass (kDA):
33.023 kDA

| Human | |
|---|---|
| Location: | 7q11.23 |
| Sequence: | 7; NC_000007.14 (73699210..73719673, complement) |
Isoform 1 is highly expressed in embryonic spinal chord and ganglia and in adult cerebellum and cerebral cortex. Isoform 2 is expressed in heart, liver, fat, skeletal muscle, kidney and brain.
Cytoplasmic vesicle, secretory vesicle, synaptic vesicle membrane; Single-pass type IV membrane protein. Cell junction, synapse, synaptosome. Cell membrane. Colocalizes with KCNB1 at the cell membrane.; [Isoform 2]: Secreted.





PMID: 7622072 by Zhang R.-D., et al. Cloning and sequence analysis of a cDNA encoding human syntaxin 1A, a polypeptide essential for exocytosis.
PMID: 9311751 by Osborne L.R., et al. Hemizygous deletion of the syntaxin 1A gene in individuals with Williams syndrome.