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MUNC-18 Antibody – Rabbit Polyclonal

For Research Use Only. Not for use in diagnostic procedures. Catalog #: MBS221521

MBS221521 recognises Munc-18 phosphorylated at serine 515, a 67 kDa member of the STXBP/UNC-18/SEC1 family. It is neural specific, expressed in the brain, spinal cord and at very high levels in axons. Munc-18 is crucial to calcium-dependent neurotransmitter… More details

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Product Overview

Product Name
MUNC-18, Polyclonal Antibody
Full Product Name
RABBIT ANTI MUNC-18 (pSer515)
Product Gene Name
Clonality
Polyclonal
Isotype
IgG
Host
Rabbit
Species Reactivity
Bovine (Expected from Sequence), Chicken (Expected from Sequence), Dog (Expected from Sequence), Human (Expected from Sequence), Mouse (Expected from Sequence), Primate (Expected from Sequence), Xenopus (Expected from Sequence)
Form/Format
Purified
Purified IgG - liquid
Specificity
This item recognises Munc-18 phosphorylated at serine 515, a 67 kDa member of the STXBP/UNC-18/SEC1 family. It is neural specific, expressed in the brain, spinal cord and at very high levels in axons. Munc-18 is crucial to calcium-dependent neurotransmitter release, facilitating synaptic vesicle docking and fusion. It inhibits the formation of soluble N-ethylmaleimide-sensitive fusion protein attachment protein receptor (SNARE) complex by binding syntaxin 1 preventing the other components (synaptobrevin and synaptosomal associated protein of 25 kDa (SNAP-25)) from binding. The function of Munc-18 is regulated by the phosphorylation of serine 515 by protein kinase C.

Munc-18 is also involved in the onset of female puberty through its regulation of glutamate release.
Preparation and Storage
Store at 4 degree C or at -20 degree C if preferred. Storage in frost-free freezers is not recommended. This product should be stored undiluted. Avoid repeated freezing and thawing as this may denature the antibody. Should this product contain a precipitate we recommend microcentrifugation before use.
Shelf Life: 12 months from date of despatch.
Molecular Weight
68,736 Da
3D Structure
ModBase 3D Structure for P61765
Perservative Stabilisers
0.09% Sodium Azide (NaN3)
50% Glycerol
0.01% Bovine Serum Albumin
Immunogen
Phosphopeptide corresponding to amino acid sequence surrounding phosphorylated Ser515 of Munc-18.
Buffer Solution||10mM Hepes pH7.5
Antiserum Preparation
Antisera to rat Munc-18 (pSer515) were raised by repeated immunisations of rabbit with highly purified antigen. Purified IgG prepared by affinity chromatography.
Target Species
Rat
Applications Tested/Suitable for anti-MUNC-18 antibody
Western Blot (WB)*
Application Notes for anti-MUNC-18 antibody
Western Blot: This item detects a band/s of approximately 65kDa in rat cortex cell lysates
Western Blotting: Maximum Dilution: 1/1000; Application Note: For the detection of phosphoproteins, serine phosphatase inhibitors such as 10mM Sodium Fluoride should be added to the sample buffer. Milk or other casein-based blocking solutions are not recommended as casein is a phosphoprotein and its use can result in high background.

Other Notes

Small volumes of anti-MUNC-18 antibody vial(s) may occasionally become entrapped in the seal of the product vial during shipment and storage. If necessary, briefly centrifuge the vial on a tabletop centrifuge to dislodge any liquid in the container`s cap. Certain products may require to ship with dry ice and additional dry ice fee may apply.

Searchable Terms for MUNC-18 purchase

MBS221521 is an antibody targeting MUNC-18. Also known as RABBIT ANTI MUNC-18 (pSer515). Reactive in Bovine (Expected from Sequence), Chicken (Expected from Sequence), Dog (Expected from Sequence), Human (Expected from Sequence), Mouse (Expected from Sequence), Primate (Expected from Sequence), Xenopus (Expected from Sequence). Host: Rabbit.

Additional Details

NCBI/Uniprot data below describe general gene information for MUNC-18. It may not necessarily be applicable to this product.

NCBI GI #
NCBI GeneID
NCBI Accession #
UniProt Primary Accession #
UniProt Secondary Accession #
UniProt Related Accession #
GenBank Nucleotide #
NCBI Official Full Name
syntaxin-binding protein 1
NCBI Official Synonym Full Names
syntaxin binding protein 1
NCBI Official Symbol
Stxbp1
NCBI Official Synonym Symbols
Sec1; nSec1; NSEC1A; n-sec1; rbSec1; ANC18HA; Unc18-1; rbSec1A; rbSec1B; Munc18-1
UniProt Protein Name
Syntaxin-binding protein 1
UniProt Synonym Protein Names
N-Sec1; Protein unc-18 homolog 1; Unc18-1; Protein unc-18 homolog A; Unc-18A; p67; rbSec1
UniProt Gene Name
Stxbp1
UniProt Synonym Gene Names
Unc18a; Unc18-1; Unc-18A
UniProt Entry Name
STXB1_RAT
NCBI Protein Information
syntaxin-binding protein 1; p67; protein unc-18 homolog 1; protein unc-18 homolog A; unc-18-1; unc-18A

NCBI Summary for MUNC-18

inhibits binding of synaptobrevin and SNAP-25 to syntaxin 1A to modulate SNARE complex formation; acts to regulate neurotransmission [RGD, Feb 2006]

UniProt Comments for MUNC-18

STXBP1: may participate in the regulation of synaptic vesicle docking and fusion, possibly through interaction with GTP-binding proteins. Essential for neurotransmission and binds syntaxin, a component of the synaptic vesicle fusion machinery probably in a 1:1 ratio. Can interact with syntaxins 1, 2, and 3 but not syntaxin 4. May play a role in determining the specificity of intracellular fusion reactions. Two splice-variant isoforms have been described.

Protein type: Vesicle

Cellular Component: nucleoplasm; protein complex; mitochondrion; cell; cytoplasm; plasma membrane; terminal button; cytosol; myelin sheath

Molecular Function: protein domain specific binding; identical protein binding; protein binding; SNARE binding; syntaxin binding; syntaxin-1 binding; protein N-terminus binding; protein kinase binding

Biological Process: exocytosis; protein stabilization; synaptic vesicle maturation; neurotransmitter secretion; positive regulation of calcium ion-dependent exocytosis; protein transport; platelet degranulation; axon target recognition; neuromuscular synaptic transmission; negative regulation of neuron apoptosis; negative regulation of synaptic transmission, GABAergic; vesicle docking during exocytosis; positive regulation of exocytosis
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Precautions

All of MyBioSource's Products are for scientific laboratory research purposes and are not for diagnostic, therapeutics, prophylactic or in vivo use. Through your purchase, you expressly represent and warrant to MyBioSource that you will properly test and use any Products purchased from MyBioSource in accordance with industry standards. MyBioSource and its authorized distributors reserve the right to refuse to process any order where we reasonably believe that the intended use will fall outside of our acceptable guidelines.

Disclaimer

While every efforts were made to ensure the accuracy of the information provided in this datasheet, MyBioSource will not be liable for any omissions or errors contained herein. MyBioSource reserves the right to make changes to this datasheet at any time without prior notice.

It is the responsibility of the customer to report product performance issues to MyBioSource within 30 days of receipt of the product. Please visit our Terms & Conditions page for more information.

Product Note

Select online data sheet information is drawn from bioinformatics databases, occasionally resulting in ambiguous or non-relevant product information. It is the responsibility of the customer to review, verify, and evaluate the information to make sure it matches their requirements before purchasing the kit. Our ELISA Kit assays are dynamic research tools and sometimes they may be updated and improved. If the format of this assay is important to you then please request the current manual or contact our technical support team with a presales inquiry before placing an order. We will confirm the current details of the assay. We cannot guarantee the sample manual posted online is the most current manual, it is intended to serve as an example only. Please refer to the instructions For Use provided with the assay kit for precise details.

Product PubMed Publications

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