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  4. PKM2 Antibody

PKM2 Antibody is a Rabbit-derived and non-conjugated IgG polyclonal antibody, targeting to PKM2.

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

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50 μL In-stock
100 μL In-stock
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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

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  • Documentation

Description

PKM2 Antibody is a Rabbit-derived and non-conjugated IgG polyclonal antibody, targeting to PKM2.

Host

Rabbit

Clonality

Polyclonal

Molecular Weight
Predicted band size: 58 kDa;
Observed band size: 58 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 PKM2 AA range 50-100.

Application &
Dilution Ratio
Application Dilution Ratio
WB
WB: Western Blot
1:500-1:1000
IHC-P
IHC-P: Immunohistochemistry-Paraffin
1:50-1:200
ICC/IF
ICC/IF: Immunocytochemistry/Immunofluorescence
1:50-1:200
FC
FC: Flow Cytometry
1:50
Sensitivity Endogenous Purity affinity purified
Conjugation Non-conjugated Modification Unmodified
Isotype IgG  
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.

Verification Image
ALL WB ICC IHC-P FC
  • Western blot analysis of extracts from C6(lane 2(20μg) ,NIH/3T3(lane 3(20μg) and Hela(lane 4(20ug)using PKM2 Antibody (HY-P80870) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature.

  • Immunocytochemistry analysis of A549 cells labeling PKM2 with beta PKM2 Antibody (HY-P80870) at 1/50 dilution. Cells were fixed in 4% paraformaldehyde for 15 minutes at room temperature, then blocked with QuickBlock™ Blocking Buffer for Immunol Staining for 10 min at room temperature. Cells were then incubated with PKM2 Antibody (HY-P80870) at 1/50 dilution in QuickBlock™ Blocking Buffer for Immunol Staining at 4 ℃. Alexa Fluor® 488-conjugated AffiniPure Goat Anti-Rabbit IgG H&L(HY-P8002, Green) was used as the secondary antibody at 1/1,000 dilution. PBS instead of the primary antibody was used as the secondary antibody only control. The Nuclear counterstain was DAPI (Blue).

  • Immunocytochemistry analysis of PC-3 cells labeling PKM2 with beta PKM2 Antibody (HY-P80870) at 1/50 dilution. Cells were fixed in 4% paraformaldehyde for 15 minutes at room temperature, then blocked with QuickBlock™ Blocking Buffer for Immunol Staining for 10 min at room temperature. Cells were then incubated with PKM2 Antibody (HY-P80870) at 1/50 dilution in QuickBlock™ Blocking Buffer for Immunol Staining at 4 ℃. Alexa Fluor® 488-conjugated AffiniPure Goat Anti-Rabbit IgG H&L(HY-P8002, Green) was used as the secondary antibody at 1/1,000 dilution. PBS instead of the primary antibody was used as the secondary antibody only control. The Nuclear counterstain was DAPI (Blue).

  • Immunohistochemical analysis of paraffin-embedded mouse testis tissue using PKM2 Antibody. The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 8 minutes. The tissues were blocked in QuickBlock for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody at 1/100 dilution in 4℃ overnight. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.

  • Immunohistochemical analysis of paraffin-embedded mouse testis tissue using PKM2 Antibody. The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 8 minutes. The tissues were blocked in QuickBlock for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody at 1/100 dilution in 4℃ overnight. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.

  • Flow cytometric analysis of 1X10^6 Hela cells labeling PKM2 Antibody (HY-P80870, red). Cells were fixed with 4% paraformaldehyde and permeabilised with 90% methanol. Then stained with the primary antibody at 1/50 dilution for an hour at 4℃. Alexa Fluor® 488-conjugated AffiniPure Goat Anti-Rabbit IgG H&L (HY-P8002) was used as the secondary antibody at 1/1,000 dilution for 30 minutes at 4℃. Rabbit IgG Isotype Control (HY-P80879, blue) was used as the isotype control, cells without incubation with primary antibody were used as the unlabeled control (black).

Background
Function:Catalyzes the final rate-limiting step of glycolysis by mediating the transfer of a phosphoryl group from phosphoenolpyruvate (PEP) to ADP, generating ATP (PubMed:15996096, PubMed:1854723, PubMed:20847263). The ratio between the highly active tetrameric form and nearly inactive dimeric form determines whether glucose carbons are channeled to biosynthetic processes or used for glycolytic ATP production (PubMed:15996096, PubMed:1854723, PubMed:20847263). The transition between the 2 forms contributes to the control of glycolysis and is important for tumor cell proliferation and survival (PubMed:15996096, PubMed:1854723, PubMed:20847263); Isoform specifically expressed during embryogenesis that has low pyruvate kinase activity by itself and requires allosteric activation by D-fructose 1,6-bisphosphate (FBP) for pyruvate kinase activity (PubMed:18337823, PubMed:20847263). In addition to its pyruvate kinase activity in the cytoplasm, also acts as a regulator of transcription in the nucleus by acting as a protein kinase (PubMed:18191611, PubMed:21620138, PubMed:22056988, PubMed:22306293, PubMed:22901803, PubMed:24120661). Translocates into the nucleus in response to various signals, such as EGF receptor activation, and homodimerizes, leading to its conversion into a protein threonine- and tyrosine-protein kinase (PubMed:22056988, PubMed:22306293, PubMed:22901803, PubMed:24120661, PubMed:26787900). Catalyzes phosphorylation of STAT3 at 'Tyr-705' and histone H3 at 'Thr-11' (H3T11ph), leading to activate transcription (PubMed:22306293, PubMed:22901803, PubMed:24120661). Its ability to activate transcription plays a role in cancer cells by promoting cell proliferation and promote tumorigenesis (PubMed:18337823, PubMed:22901803, PubMed:26787900). Promotes the expression of the immune checkpoint protein CD274 in BMAL1-deficient macrophages (By similarity). May also act as a translation regulator for a subset of mRNAs, independently of its pyruvate kinase activity: associates with subpools of endoplasmic reticulum-associated ribosomes, binds directly to the mRNAs translated at the endoplasmic reticulum and promotes translation of these endoplasmic reticulum-destined mRNAs (By similarity). Plays a role in caspase independent cell death of tumor cells (PubMed:17308100); Pyruvate kinase isoform expressed in adult tissues, which replaces isoform M2 after birth (PubMed:18337823). In contrast to isoform M2, has high pyruvate kinase activity by itself and does not require allosteric activation by D-fructose 1,6-bisphosphate (FBP) for activity (PubMed:20847263)
Subcellular Localization:Cytoplasm; Nucleus; Cytoplasm
Expression:
Tissue_specificity:It is specifically expressed in proliferating cells, such as embryonic stem cells, embryonic cancer cells, and cancer cells; it is expressed in adult tissues (PubMed:18337823) . It is not expressed in tumor cells (PubMed:18337823) .
Isoforms & Post-Translational Modification:P14618 has 3 isomers: P14618-1: 57937 Da (predicted); P14618-2: 58062 Da (predicted); P14618-3: 56273 Da (predicted).
ISGylated;Under hypoxia, hydroxylated by EGLN3;Acetylation at Lys-305 is stimulated by high glucose concentration, it decreases enzyme activity and promotes its lysosomal-dependent degradation via chaperone-mediated autophagy;Acetylated at Lys-433 by EP300, leading to impair phosphoenolpyruvate substrate-binding and promote its homodimerization and subsequent translocation to the nucleus (PubMed:24120661). Deacetylation at Lys-433 by SIRT6 promotes its nuclear export into the cytoplasm, leading to suppress its nuclear localization and oncogenic function (PubMed:26787900);S-nitrosylation at Cys-423 and Cys-424 inhibits homotetramerization and pyruvate kinase activity (PubMed:30487609). S-nitrosylation is indirectly inhibited by AKR1A1 which degrades S-nitroso-CoA, a cofactor required to S-nitrosylate proteins (PubMed:30487609);FGFR1-dependent tyrosine phosphorylation is reduced by interaction with TRIM35
Subunit:Monomer and homotetramer; exists as a monomer in the absence of D-fructose 1,6-bisphosphate (FBP), and reversibly associates to form a homotetramer in the presence of FBP (PubMed:15996096, PubMed:18298799, PubMed:18337815, PubMed:1854723, PubMed:23064226, PubMed:2813362). The monomeric form binds 3,3',5-triiodo-L-thyronine (T3) (PubMed:15996096). Tetramer formation induces pyruvate kinase activity (PubMed:15996096, PubMed:18298799, PubMed:18337815, PubMed:1854723, PubMed:23064226, PubMed:2813362). The tetrameric form has high affinity for the substrate and is associated within the glycolytic enzyme complex (PubMed:15996096, PubMed:18298799, PubMed:18337815, PubMed:1854723, PubMed:23064226, PubMed:2813362). FBP stimulates the formation of tetramers from dimers (PubMed:15996096, PubMed:18298799, PubMed:18337815, PubMed:1854723, PubMed:23064226, PubMed:2813362). Homodimer; exists in a dimeric form in tumor cells and the dimeric form has less affinity for the phosphoenolpyruvate substrate (PubMed:22306293, PubMed:24120661). The homodimer converts into a protein kinase (PubMed:22306293, PubMed:24120661). Interacts with HERC1, POU5F1 and PML (PubMed:12650930, PubMed:18191611). Interacts with EGLN3; the interaction hydroxylates PKM under hypoxia and enhances binding to HIF1A (PubMed:21483450, PubMed:21620138). Interacts with HIF1A; the interaction is enhanced by binding of EGLN3, promoting enhanced transcription activity under hypoxia (PubMed:21620138). Interacts with TRIM35; this interaction prevents FGFR1-dependent tyrosine phosphorylation (PubMed:25263439). Interacts with JMJD8 (PubMed:27199445). Interacts with TRAF4 (PubMed:32268273). Interacts with (phosphorylated) CTNNB1; leading to activate transcription (PubMed:22056988). Interacts with TSC22D2; the interaction results in reduced nuclear levels of PKM isoform M2, leading to repression of cyclin CCND1 transcription and reduced cell growth (PubMed:27573352)
RRID
Database

Entrez Gene: 5315 Human ;

SwissProt: P14618 Human ;

OMIM: 179050 Human

Research Field

Signal Transduction

Synonyms
PKM; OIP3; PK2; PK3; PKM2; Pyruvate kinase isozymes M1/M2; Cytosolic thyroid hormone-binding protein; CTHBP; Opa-interacting protein 3; OIP-3; Pyruvate kinase 2/3; Pyruvate kinase muscle isozyme; Thyroid hormone-binding protein 1; THBP1; Tu
Documentation

PKM2 Antibody 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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PKM2 Antibody
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HY-P80870
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