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SAP97 Rabbit anti-Human, Mouse, Rat, Polyclonal, Invitrogen™

Rabbit Polyclonal Antibody

Manufacturer:  Invitrogen PA1741

Catalog No. PA1741


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Description

Description

PA1-741 detects Synapse-Associated Protein 97 (SAP97) from human, rat and mouse tissues. No cross-reactivity to other proteins, including synapse-associated protein family members, has been observed. PA1-741 has been successfully used in Western blot, immunofluorescence, immunocytochemistry, immunoprecipitation, and immunohistochemistry procedures. By Western blot, this antibody detects an ~140 kDa protein representing SAP97 from rat brain extract. Immunohistochemical staining of SAP97 in rat hippocampus with PA1-741 results in intense neuronal cell body and dendrite staining. The PA1-741 immunizing peptide corresponds to amino acids 115-133 from rat SAP97. This sequence is 84% and 74% conserved in mouse and human SAP97, respectively. PA1-741 can be used with blocking peptide PEP-055.

Synapse-Associated Protein 97 (SAP97/human homologue of Drosophila discs-large tumor supressor or HDLG) is one of a family of plasma membrane-associated proteins found in synaptic junctions. This is a novel, presynaptic membrane protein homologous to SAP90 and the Drosophila discs-large tumor supressor protein. SAP97 has three ~90 amino acid repeats called PDZ domains, a single interior SH3 domain, and a COOH-terminal guanylate kinase homology (GuK) domain that is enzymatically inactive. It is hypothesized that PDZ-domain interactions play a role in receptor and channel clustering which contributes to neuronal plasticity. SAP97 is believed to participate in the clustering of certain proteins, including N-methyl-D-aspartate (NMDA) receptors and Shaker-type potassium channels at the synaptic membrane. NMDA receptors and shaker-type potassium channels both share C-terminal sequence homology consisting of a threonine/serine-X-valine-COOH (T/SXV) motif. Other neuronal proteins that share this motif (beta-1 adrenergic receptor, some serotonin receptors, some potassium channel subunits, and additional potassium channel subunits) may interact with SAP97 by binding to its PDZ domains. Neuronal nitric oxide synthase (nNOS), which lacks the T/SXV motif but which has its own PDZ domain, has been shown to associate with SAP97 in vitro through a pseudo-homotypic PDZ-PDZ interaction.
Specifications

Specifications

SAP97
Polyclonal
PBS with 0.05% sodium azide
Q12959, Q811D0, Q62696
Synapse Associated Protein 97, HDLG, Human Homologue of Drosophila Discs-Large Tumor Supressor
Rabbit
IgG
100 μL
-20° C, Avoid Freeze/Thaw Cycles
Primary
13383, 1739, 25252
Immunocytochemistry, Immunofluorescence, Immunohistochemistry (Frozen), Immunoprecipitation, Western Blot
Unconjugated
DLG1
Liquid
DLG1
Synthetic peptide corresponding to residues V(115) L P S E R I S P Q V P N E V L G P E(133) of rat SAP97.
Ammonium sulfate precipitation
RUO
Antibody
Polyclonal
Human, Mouse, Rat
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