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Key Documents

N4412

Sigma-Aldrich

Anti-Neurabin I antibody produced in rabbit

affinity isolated antibody, buffered aqueous solution

Synonym(s):

Anti-Neural-tissue Specific F-actin Binding Protein I, Anti-Protein Phosphatase 1 Regulatory Subunit 9A

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About This Item

MDL number:
UNSPSC Code:
12352203

biological source

rabbit

conjugate

unconjugated

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

form

buffered aqueous solution

mol wt

antigen 180 kDa

species reactivity

mouse, rat

technique(s)

microarray: suitable
western blot: 0.5-1 μg/mL using a rat brain extract (S1 fraction)
western blot: 1-2 μg/mL using mouse brain (fraction S1).

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

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General description

Neurabin I is expressed in the central nervous system of rats.
Neurabin I or neural tissue-specific F-actin-binding protein is highly enriched in dendritic spines. It comprises the F-actin binding domain at the N-terminus, a single PDZ interacting-domain and a C-terminal coiled-coil domain. Neurabin I is localized in the synapse of mature neurons and the lamellipodia of the growth cone during neuronal development.

Specificity

Anti-Neurabin I specifically recognizes neurabin I (180 kDa).

Immunogen

synthetic peptide located near the N-terminus of rat neurabin I (amino acids 341-361). This sequence is highly conserved (80%) in mouse neurabin I and not found in neurabin II/spinophilin.

Application

Anti-Neurabin I antibody produced in rabbit may be used in immunoblotting and immunoprecipitation.

Biochem/physiol Actions

Neurabin I has a role in the assembly of F-actin. It has been shown to be associated with stimulation of hepatocarcinogenesis in rats.
Neurabin I is essential for neurite formation and binds to several proteins including F-actin, protein phosphatase 1 (PP1), p70 S6 kinase (p70S6K) and TGN38. Neurabin I/PP1 complex has been suggested to play a role in actin cytoskeleton dynamics and also in the control of cell morphology in mammalian neurons. The interaction of neurabin I with the trans-Golgi network membrane protein (TGN38) enables a link between TGN38-containing membranes and the actin cytoskeleton. Neurabin′s presence in fetal tissue may mediate early development, through regulation of actin cytoskeleton dynamics in the differentiation of skeletal muscle cells.

Target description

Neurabin I (Neural-tissue specific F-actin bindingprotein I, PP1BP175, p180, also termed Proteinphosphatase 1 regulatory subunit 9A, PPP1R9A, 180kDa), belongs to a family of F-actin-binding proteins, including neurabin II/spinophilin, which are high

Physical form

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.

Storage and Stability

For continuous use, store at 2-8 °C for up to one month. For extended storage freeze in working aliquots. Repeated freezing and thawing is not recommended. Storage in "frost-free" freezers is not recommended. If slight turbidity occurs upon prolonged storage, clarify the solution by centrifugation before use. Working dilution samples should be discarded if not used within 12 hours.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Storage Class Code

10 - Combustible liquids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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Crystal G Pontrello et al.
The open neuroscience journal, 3, 67-86 (2009-01-01)
Dendritic spines are actin-rich structures that accommodate the postsynaptic sites of most excitatory synapses in the brain. Although dendritic spines form and mature as synaptic connections develop, they remain plastic even in the adult brain, where they can rapidly grow
Anna Kakehashi et al.
Toxicological sciences : an official journal of the Society of Toxicology, 119(1), 61-72 (2010-10-12)
In the present study, protein lysates from microdissected glutathione S-transferase placental-form-positive (GST-P(+)) foci and hepatocellular carcinomas from livers of rats treated with N-diethylnitrosamine followed by phenobarbital at doses of 0 and 500 ppm in the diet for 10 and 33
Genomic imprinting of PPP1R9A encoding neurabin I in skeletal muscle and extra-embryonic tissues.
K Nakabayashi et al.
Journal of medical genetics, 41(8), 601-608 (2004-08-03)
D J Stephens et al.
The Journal of biological chemistry, 274(42), 30080-30086 (1999-10-09)
TGN38 is a type I integral membrane protein that constitutively cycles between the trans-Golgi network (TGN) and plasma membrane. The cytosolic domain of TGN38 interacts with AP2 clathrin adaptor complexes via the tyrosine-containing motif (-SDYQRL-) to direct internalization from the

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