Tested Applications
| Positive WB detected in | A549 cells, 293 cell, C6 cells, HEK-293 cells, HeLa cells, N/A, Recombinant protein, HEK-293T cells, MCF-7 cells, mouse stomach tissue | 
| Positive IP detected in | A549 cells, MCF-7 cells | 
| Positive IHC detected in | human lung cancer tissue, human colon cancer tissue Note: suggested antigen retrieval with TE buffer pH 9.0; (*) Alternatively, antigen retrieval may be performed with citrate buffer pH 6.0  | 
| Positive IF/ICC detected in | HeLa cells, MCF-7 cells | 
Recommended dilution
| Application | Dilution | 
|---|---|
| Western Blot (WB) | WB : 1:2000-1:12000 | 
| Immunoprecipitation (IP) | IP : 0.5-4.0 ug for 1.0-3.0 mg of total protein lysate | 
| Immunohistochemistry (IHC) | IHC : 1:100-1:400 | 
| Immunofluorescence (IF)/ICC | IF/ICC : 1:50-1:500 | 
| It is recommended that this reagent should be titrated in each testing system to obtain optimal results. | |
| Sample-dependent, Check data in validation data gallery. | |
Published Applications
| KD/KO | See 17 publications below | 
| WB | See 247 publications below | 
| IHC | See 43 publications below | 
| IF | See 42 publications below | 
| IP | See 12 publications below | 
| CoIP | See 8 publications below | 
| ChIP | See 2 publications below | 
Product Information
15822-1-AP targets PKM2-specific in WB, IHC, IF/ICC, IP, CoIP, ChIP, ELISA applications and shows reactivity with human, mouse, rat samples.
| Tested Reactivity | human, mouse, rat | 
| Cited Reactivity | human, mouse, rat, chicken, bovine | 
| Host / Isotype | Rabbit / IgG | 
| Class | Polyclonal | 
| Type | Antibody | 
| Immunogen | 
                                             Peptide Predict reactive species | 
                                    
| Full Name | PKM pyruvate kinase, muscle | 
| Calculated Molecular Weight | 58 kDa | 
| Observed Molecular Weight | 58 kDa | 
| GenBank Accession Number | NM_002654 | 
| Gene Symbol | PKM | 
| Gene ID (NCBI) | 5315 | 
| RRID | AB_1851537 | 
| Conjugate | Unconjugated | 
| Form | Liquid | 
| Purification Method | Antigen affinity purification | 
| UNIPROT ID | P14618 | 
| Storage Buffer | PBS with 0.02% sodium azide and 50% glycerol, pH 7.3. | 
| Storage Conditions | Store at -20°C. Stable for one year after shipment. Aliquoting is unnecessary for -20oC storage. 20ul sizes contain 0.1% BSA. | 
Background Information
PKM, also named as OIP3, PK2, PK3, PKM, p58, THBP1, CTHBP and Tumor M2-PK, belongs to the pyruvate kinase family. It is glycolytic enzyme that catalyzes the transfer of a phosphoryl group from phosphoenolpyruvate (PEP) to ADP, generating ATP. It stimulates POU5F1-mediated transcriptional activation. PKM plays a general role in caspase independent cell death of tumor cells. PKM has 2 isoforms named as PKM1/M2. The activity of the M2 isoform (but not the M1 isoform) can be inhibited by tyrosine kinase signalling in tumourcells. The primary pyruvate kinase isoform before tumour development is PK-M1; however, the primary isoform from four independent tumours is PK-M2 (PMID:18337823). The immunogen of this antibody is M2 isoform and this antibody is specific to PKM2 isoform. This antibody can detect PKM2 monomer, dimer and tetramer (PMID: 36196894).
Protocols
| Product Specific Protocols | |
|---|---|
| IF protocol for PKM2-specific antibody 15822-1-AP | Download protocol | 
| IHC protocol for PKM2-specific antibody 15822-1-AP | Download protocol | 
| IP protocol for PKM2-specific antibody 15822-1-AP | Download protocol | 
| WB protocol for PKM2-specific antibody 15822-1-AP | Download protocol | 
| Standard Protocols | |
|---|---|
| Click here to view our Standard Protocols | 
Publications
| Species | Application | Title | 
|---|---|---|
Nature The M2 splice isoform of pyruvate kinase is important for cancer metabolism and tumour growth.
  | ||
Cell Metab Acetate enables metabolic fitness and cognitive performance during sleep disruption | ||
Mol Cell p53 induces circFRMD4A to suppress cancer development through glycolytic reprogramming and cuproptosis | ||
Mol Cell The long noncoding RNA glycoLINC assembles a lower glycolytic metabolon to promote glycolysis. | ||
Biomaterials PKM2 allosteric converter: A self-assembly peptide for suppressing renal cell carcinoma and sensitizing chemotherapy | 
Reviews
The reviews below have been submitted by verified Proteintech customers who received an incentive for providing their feedback.
FH Swati (Verified Customer) (09-26-2025)  | Shows a clear band around 58 kDa. No non specific bands observed. 
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FH Pallavi (Verified Customer) (03-31-2025)  | i used 1:5000 anti-PKM2 15522-1-AP for western blot on purified protein and it worked perfectly. 
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FH Shinford (Verified Customer) (09-24-2023)  | The antibody concentration of 1:1000 worked well, and bands could be detected in a variety of cell lines. There were slight non-specific bands in some tissue and organ cells. 
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FH Kristian (Verified Customer) (06-07-2021)  | PKM2 (red) is detected in proximale tubules where HIF1A-signaling is activated. 
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FH Kishor (Verified Customer) (02-22-2019)  | I am very much satisfied with almost all antibodies from Proteintech. This antibody is working very good at 1:1000 dilution for human cancer and primary cells. 
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