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  3. Primary Antibodies
  4. Monoclonal Antibodies
  5. GRB2 Antibody (YA748)

GRB2 Antibody (YA748) is a Mouse-derived and non-conjugated IgG1 monoclonal antibody, targeting to GRB2.

For research use only. We do not sell to patients.

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Top Publications Citing Use of Products
  • WB: Western Blot;
  • IHC-P: Immunohistochemistry-Paraffin;
  • IHC-F: Immunohistochemistry-Frozen;
  • ICC/IF: Immunocytochemistry/Immunofluorescence;
  • IF-Tissue: Immunofluorescence-Tissue;
  • mIHC: Multiplex Immunohistochemical;
  • IP: Immunoprecipitation;
  • ChIP: Chromatin Immunoprecipitation;
  • FC: Flow Cytometry;
  • ELISA: Enzyme Linked Immunosorbent Assay

  • Product Detail

  • Background

  • Documentation

Description

GRB2 Antibody (YA748) is a Mouse-derived and non-conjugated IgG1 monoclonal antibody, targeting to GRB2.
Host

Mouse
Clonality

Monoclonal
Molecular Weight
Predicted band size: 25 kDa;
Observed band size: 25 kDa
Note: Due to possible protein modifications or aggregation, the molecular weight should be confirmed by actual measurement, and the predicted value is for reference only.
Species Reactivity
Human, Mouse, Rat
SwissProt ID
Gene ID
Immunogen

Synthetic peptide corresponding to Human GRB2.The exact sequence is proprietary to MCE.
Application &
Dilution Ratio
Application Dilution Ratio
WB
WB: Western Blot
1:500-1:1000
Sensitivity Endogenous Purity affinity purified
Conjugation Non-conjugated Modification Unmodified
Isotype IgG1  
Appearance

Liquid
Formulation

Supplied in 1*PBS (pH 7.3), 50% glycerol and 0.5% BSA. Preservative: 0.02% sodium azide.
Storage & Stability

Stored at -20°C for 1 year. Avoid repeated freeze / thaw cycles.
Shipping

Shipping with blue ice.
Background
Function：Non-enzymatic adapter protein that plays a pivotal role in precisely regulated signaling cascades from cell surface receptors to cellular responses, including signaling transduction and gene expression (PubMed:11726515, PubMed:37626338). Thus, participates in many biological processes including regulation of innate and adaptive immunity, autophagy, DNA repair or necroptosis (PubMed:35831301, PubMed:37626338, PubMed:38182563). Controls signaling complexes at the T-cell antigen receptor to facilitate the activation, differentiation, and function of T-cells (PubMed:36864087, PubMed:9489702). Mechanistically, engagement of the TCR leads to phosphorylation of the adapter protein LAT, which serves as docking site for GRB2 (PubMed:9489702). In turn, GRB2 establishes a a connection with SOS1 that acts as a guanine nucleotide exchange factor and serves as a critical regulator of KRAS/RAF1 leading to MAPKs translocation to the nucleus and activation (PubMed:12171928, PubMed:25870599). Functions also a role in B-cell activation by amplifying Ca(2+) mobilization and activation of the ERK MAP kinase pathway upon recruitment to the phosphorylated B-cell antigen receptor (BCR) (PubMed:25413232, PubMed:29523808). Plays a role in switching between autophagy and programmed necrosis upstream of EGFR by interacting with components of necrosomes including RIPK1 and with autophagy regulators SQSTM1 and BECN1 (PubMed:35831301, PubMed:38182563). Regulates miRNA biogenesis by forming a functional ternary complex with AGO2 and DICER1 (PubMed:37328606). Functions in the replication stress response by protecting DNA at stalled replication forks from MRE11-mediated degradation. Mechanistically, inhibits RAD51 ATPase activity to stabilize RAD51 on stalled replication forks (PubMed:38459011). Additionally, directly recruits and later releases MRE11 at DNA damage sites during the homology-directed repair (HDR) process (PubMed:34348893); Does not bind to phosphorylated epidermal growth factor receptor (EGFR) but inhibits EGF-induced transactivation of a RAS-responsive element. Acts as a dominant negative protein over GRB2 and by suppressing proliferative signals, may trigger active programmed cell death. Mechanistically, inhibits RAS-ERK signaling and downstream cell proliferation by competing with GRB2 for SOS1 binding and thus by regulating SOS1 membrane recruitment (PubMed:36171279)
Subcellular Localization：Nucleus; Cytoplasm; Endosome; Golgi apparatus
Isoforms & Post-Translational Modification：P62993 has 2 isomers: P62993-1: 25206 Da (predicted); P62993-2: 20557 Da (predicted).
Phosphorylation of Tyr-209 in the C-terminal SH3 domain reduces its binding to SOS1;Ubiquitinated by RNF173, leading to proteasomal degradation and inhibition of the RAF/MEK/ERK pathway (PubMed:37328606). In the nucleus, polyubiquitinated by RBBP6 at Lys-109 at DNA damage sites (PubMed:34348893)
Subunit：Homodimer (PubMed:36864087). Associates (via SH2 domain) with activated EGF and PDGF receptors (tyrosine phosphorylated) (PubMed:10026169, PubMed:19836242, PubMed:35831301). Interacts with PDGFRA (tyrosine phosphorylated); the interaction may be indirect (By similarity). Also associates to other cellular Tyr-phosphorylated proteins such as SIT1, IRS1, IRS2, IRS4, SHC and LNK; probably via the concerted action of both its SH2 and SH3 domains (PubMed:11433379, PubMed:8388384, PubMed:8491186, PubMed:9553137, PubMed:19109239). It also seems to interact with RAS in the signaling pathway leading to DNA synthesis. Interacts with SOS1 (PubMed:11726515, PubMed:25870599, PubMed:7664271, PubMed:8493579). Forms a complex with MUC1 and SOS1, through interaction of the SH3 domains with SOS1 and the SH2 domain with phosphorylated MUC1 (PubMed:7664271). Interacts with phosphorylated MET (PubMed:11063574, PubMed:11827484). Interacts with phosphorylated TOM1L1 (By similarity). Interacts with the phosphorylated C-terminus of SH2B2 (PubMed:9233773). Interacts with phosphorylated SIT1, LAX1, LAT, LAT2 and LIME1 upon TCR and/or BCR activation (PubMed:12359715, PubMed:12486104, PubMed:12514734, PubMed:25870599, PubMed:9489702). Interacts with NISCH, PTPNS1 and REPS2 (PubMed:11912194, PubMed:9062191, PubMed:9422736). Interacts with syntrophin SNTA1 (By similarity). Interacts (via SH3 domains) with REPS1 (By similarity). Interacts (via SH3 domains) with PIK3C2B (PubMed:11533253). Interacts with CBL and CBLB (PubMed:10022120, PubMed:10086340). Interacts with AJUBA and CLNK (By similarity). Interacts (via SH2 domain) with TEK/TIE2 (tyrosine phosphorylated) (By similarity). Interacts with SHB, INPP5D/SHIP1, SKAP1 and SKAP2 (PubMed:10942756, PubMed:12171928, PubMed:8723348, PubMed:9108392, PubMed:9484780). Interacts with PTPN11 (By similarity). Interacts with PRNP (By similarity). Interacts with RALGPS1 (PubMed:10747847). Interacts with HCST (PubMed:16582911). Interacts with KDR (By similarity). Interacts with FLT1 (tyrosine-phosphorylated) (By similarity). Interacts with GAPT and PTPRE (PubMed:10980613, PubMed:18559951). Interacts (via SH2 domain) with KIF26A (PubMed:19914172). Interacts (via SH3 2) with GAB2 (PubMed:19523899). Interacts with ADAM15 (PubMed:18296648). Interacts with THEMIS2 (By similarity). Interacts (via SH2 domain) with AXL (phosphorylated) (PubMed:19815557, PubMed:9178760). Interacts (via SH2 domain) with KIT (phosphorylated) (PubMed:15526160, PubMed:16129412). Interacts with PTPRJ and BCR (PubMed:12475979, PubMed:15302586). Interacts with PTPN23 (PubMed:21179510). Interacts with FLT4 (tyrosine phosphorylated) (PubMed:15102829). Interacts with EPHB1 and SHC1; activates the MAPK/ERK cascade to regulate cell migration (PubMed:12925710, PubMed:8798570). Part of a complex including TNK2, GRB2, LTK and one receptor tyrosine kinase (RTK) such as AXL and PDGFRL, in which GRB2 promotes RTK recruitment by TNK2 (PubMed:19815557, PubMed:9178760). Interacts (via SH2 domain) with CSF1R (tyrosine phosphorylated) (PubMed:8262059). Interacts with ERBB4 (PubMed:10867024). Interacts with NTRK1 (phosphorylated upon ligand-binding) (PubMed:15488758). Interacts with PTK2/FAK1 (tyrosine phosphorylated) (PubMed:9148935). Interacts with PTK2B/PYK2 (tyrosine phosphorylated) (PubMed:20521079). Interacts (via SH3 domains) with GAREM1 isoform 1 (via proline-rich domain and tyrosine phosphorylated); the interaction occurs upon EGF stimulation (PubMed:19509291). Interacts with DAB2 (By similarity). Interacts with TESPA1 (PubMed:22561606). Interacts with PLCG1, LAT and THEMIS upon TCR activation in thymocytes; the association is weaker in the absence of TESPA1 (By similarity). Interacts with CD28 (PubMed:24098653). Interacts with RAB13; may recruit RAB13 to the leading edge of migrating endothelial cells where it can activate RHOA (By similarity). Interacts with ASAP3 (phosphorylated form) (PubMed:22027826). Interacts (via SH2 domain) with PTPRH (phosphorylated form) (By similarity). Interacts with PTPRO (phosphorylated form) (By similarity). Interacts with PTPRB (phosphorylated form) (By similarity). Interacts (via SH3 domain 2) with PRR14 (via proline-rich region) (PubMed:27041574). Interacts with FCRL6 (tyrosine phosphorylated form) (PubMed:20933011). Interacts with RHEX (via tyrosine-phosphorylated form) (PubMed:25092874). Interacts with DENND2B (PubMed:29030480). Interacts with SPRY2 (PubMed:17974561). Interacts with LRRC8A (By similarity). Interacts with PEAK1 (PubMed:35687021). Interacts with CD28 (By similarity). Interacts with FCRL1 (By similarity). Interacts with PCNA (PubMed:38459011). Interacts with CD19 (PubMed:29523808). Interacts with BECN1 (PubMed:38182563). Interacts with RAD51; the interaction inhibits RAD51 ATPase to stabilize RAD51-DNA complex at stalled replication forks. Interacts with MRE11; this interaction recruits MRE11 to the DNA damage sites (PubMed:34348893). Interacts with RIPK1 ans SQSTM1; these interactions play a critical role in regulating programmed necrosis (PubMed:35831301). Interacts with AGO2; this interaction is important for the formation of a ternary complex containing GRB2, AGO2 and DICER1 (PubMed:37328606). Interacts with TIGIT; this interaction inhibits PI3K and MAPK signaling cascades (PubMed:23154388). Interacts with CD226; this interaction leads to activation of VAV1, PI3K and PLCG1 (By similarity)
Database

Entrez Gene: 2885 Human ; 14784 Mouse ; 81504 Rat

SwissProt: P62993 Human ; Q60631 Mouse ; P62994 Rat

OMIM: 108355 Human

Research Field

Signal Transduction
Synonyms
GRB2; ASH; Growth factor receptor-bound protein 2; Adapter protein GRB2; Protein Ash; SH2/SH3 adapter GRB2
Documentation
User Guide for Antibodies (1077 KB)

GRB2 Antibody (YA748) Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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