SNX1 blocking peptide

SNX1 Antibody (C-term) Blocking peptide

• Gene Names: SNX1; VPS5; HsT17379
• Synonyms: SNX1; SNX1 Antibody (C-term) Blocking peptide; Sorting nexin-1; SNX1 blocking peptide

• Specificity: The synthetic peptide sequence used to generate the antibody was selected from the C-term region of SNX1. A 10 to 100 fold molar excess to antibody is recommended. Precise conditions should be optimized for a particular assay.
• Form/Format: Synthetic peptide was lyophilized with 100% acetonitrile and is supplied as a powder. Reconstitute with 0.1 ml DI water for a final concentration of 1 mg/ml.
• Sequence Length: 522

• Cellular Location: Endosome membrane; Peripheral membrane protein; Cytoplasmic side. Golgi apparatus, trans-Golgi network membrane; Peripheral membrane protein; Cytoplasmic side. Early endosome membrane; Peripheral membrane protein; Cytoplasmic side Cell projection, lamellipodium Note: Enriched on tubular elements of the early endosome membrane Binds preferentially to highly curved membranes enriched in phosphatidylinositol 3-phosphate (PtdIns(3P)) or phosphatidylinositol 3,5-bisphosphate (PtdIns(3,5)P2) (PubMed:15498486). Colocalized with SORT1 to tubular endosomal membrane structures called endosome-to-TGN transport carriers (ETCs) which are budding from early endosome vacuoles just before maturing into late endosome vacuoles (PubMed:18088323) Colocalizes with DNAJC13 and Shiginella dysenteria toxin stxB on early endosomes (PubMed:19874558). Colocalized with F-actin at the leading edge of lamellipodia in a KALRN-dependent manner (PubMed:20604901).
• Preparation and Storage: Maintain refrigerated at 2-8 degree C for up to 6 months. For long term storage store at -20 degree C.

Related Product Information for SNX1 blocking peptide

Involved in several stages of intracellular trafficking. Interacts with membranes containing phosphatidylinositol 3- phosphate (PtdIns(3P)) or phosphatidylinositol 3,5-bisphosphate (PtdIns(3,5)P2) (PubMed:12198132). Acts in part as component of the retromer membrane-deforming SNX-BAR subcomplex. The SNX-BAR retromer mediates retrograde transport of cargo proteins from endosomes to the trans-Golgi network (TGN) and is involved in endosome-to-plasma membrane transport for cargo protein recycling. The SNX-BAR subcomplex functions to deform the donor membrane into a tubular profile called endosome-to-TGN transport carrier (ETC) (Probable). Can sense membrane curvature and has in vitro vesicle- to-membrane remodeling activity (PubMed:19816406, PubMed:23085988). Involved in retrograde endosome-to-TGN transport of lysosomal enzyme receptors (IGF2R, M6PR and SORT1) and Shiginella dysenteria toxin stxB. Plays a role in targeting ligand-activated EGFR to the lysosomes for degradation after endocytosis from the cell surface and release from the Golgi (PubMed:12198132, PubMed:15498486, PubMed:17550970, PubMed:17101778, PubMed:18088323, PubMed:21040701). Involvement in retromer-independent endocytic trafficking of P2RY1 and lysosomal degradation of protease-activated receptor-1/F2R (PubMed:16407403, PubMed:20070609). Promotes KALRN- and RHOG-dependent but retromer- independent membrane remodeling such as lamellipodium formation; the function is dependent on GEF activity of KALRN (PubMed:20604901). Required for endocytosis of DRD5 upon agonist stimulation but not for basal receptor trafficking (PubMed:23152498).

NCBI and Uniprot Product Information

• NCBI GI #: 17380569
• NCBI GeneID: 6642
• UniProt Accession #: Q13596; O60750; O60751; Q6ZRJ8; A6NM19; A8K6T7; H0Y2M5
• Molecular Weight: 63,082 Da
• NCBI Official Full Name: Sorting nexin-1
• NCBI Official Synonym Full Names: sorting nexin 1
• NCBI Official Symbol: SNX1
• NCBI Official Synonym Symbols: VPS5; HsT17379
• NCBI Protein Information: sorting nexin-1
• UniProt Protein Name: Sorting nexin-1
• Protein Family: Sorting nexin
• UniProt Gene Name: SNX1
• UniProt Entry Name: SNX1_HUMAN

NCBI Description

This gene encodes a member of the sorting nexin family. Members of this family contain a phox (PX) domain, which is a phosphoinositide binding domain, and are involved in intracellular trafficking. This endosomal protein regulates the cell-surface expression of epidermal growth factor receptor. This protein also has a role in sorting protease-activated receptor-1 from early endosomes to lysosomes. This protein may form oligomeric complexes with family members. This gene results in three transcript variants encoding distinct isoforms. [provided by RefSeq, Jul 2008]

Uniprot Description

SNX1: May be involved in several stages of intracellular trafficking. Plays a role in targeting ligand-activated EGFR to the lysosomes for degradation after endocytosis from the cell surface and release from the Golgi. Component of the retromer complex, a complex required to retrieve lysosomal enzyme receptors (IGF2R and M6PR) from endosomes to the trans-Golgi network. Interacts with membranes containing phosphatidylinositol 3- phosphate (PtdIns(3P)) or phosphatidylinositol 3,5-bisphosphate (PtdIns(3,5)P2). Belongs to the sorting nexin family. 2 isoforms of the human protein are produced by alternative splicing.

Protein type: Vesicle

Chromosomal Location of Human Ortholog: 15q22.31

Cellular Component: cytoplasm; early endosome membrane; endosome membrane; extrinsic to membrane; intracellular membrane-bound organelle; membrane; protein complex; retromer complex

Molecular Function: epidermal growth factor receptor binding; identical protein binding; insulin receptor binding; phosphoinositide binding; protein binding; protein heterodimerization activity; protein homodimerization activity

Biological Process: intracellular protein transport; receptor internalization; retrograde transport, endosome to Golgi; vesicle organization and biogenesis