Immunohistochemical staining of PMS2  of human FFPE tissue followed by incubation with HRP labeled secondary and development with DAB substrate.

PMS2 [A16-4] Antibody (cGMP).

$ 185.00
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Species: Human
Tested Applications: IHC [IVD]
Available Conjugates:
Isotype: Mouse IgG1, kappa

Product NumberDescriptionPrice
QIVD178-6ml Size: 6 ml, Format: Predilute
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In Stock
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Datasheets and Documentation
Product Datasheet
Certificate of Analysis and Tags (Coming Soon)
Lot Number:

Expiration Date:

Concentration (Write Lyophilized if Lyophilized):

Reconsitution Instructions (Leave Blank if Liquid):

Manufacture Date:


Bioactivity (test results eg. IU/ml):

SKU: QIVD178-6ml
PMS2 General Information
Alternate Names
Molecular Weight
95.8 kDa
Chromosomal Location
p22.1 [chr: 7] [chr_start: 5970925] [chr_end: 6009106] [strand: -1]
Curated Database and Bioinformatic Data
Gene SymbolPMS2
Entrez Gene ID5395
RefSeq Protein Accession(s)NP_001308937; NP_001308943; NP_001308933; NP_001308944; NP_001308934; NP_001308932; NP_001308936; NP_001308940; XP_016885888; NP_000526; NP_001308935; NP_001308939; NP_001308938; NP_001308941; NP_001308942
RefSeq mRNA Accession(s)NM_001322004; NM_001322011; NM_001322012; XM_024446800; NM_001322003; NM_001322009; NM_001322015; NM_001322005; XM_017012342; NM_000535; NM_001322008; NM_001322010; NM_001322014; NM_001322006; NM_001322007; NR_136154; XM_006715744; NM_001322013
RefSeq Genomic Accession(s)NC_000007; NG_008466
UniProt ID(s)P54278
PharmGKB ID(s)PA33448
KEGG Gene ID(s)hsa:5395
Associated Diseases (KEGG IDs)Hereditary non-polyposis colorectal cancer 4 (HNPCC4) [MIM:614337]: An autosomal dominant disease associated with marked increase in cancer susceptibility. It is characterized by a familial predisposition to early-onset colorectal carcinoma (CRC) and extra-colonic tumors of the gastrointestinal, urological and female reproductive tracts. HNPCC is reported to be the most common form of inherited colorectal cancer in the Western world. Clinically, HNPCC is often divided into two subgroups. Type I is characterized by hereditary predisposition to colorectal cancer, a young age of onset, and carcinoma observed in the proximal colon. Type II is characterized by increased risk for cancers in certain tissues such as the uterus, ovary, breast, stomach, small intestine, skin, and larynx in addition to the colon. Diagnosis of classical HNPCC is based on the Amsterdam criteria: 3 or more relatives affected by colorectal cancer, one a first degree relative of the other two; 2 or more generation affected; 1 or more colorectal cancers presenting before 50 years of age; exclusion of hereditary polyposis syndromes. The term 'suspected HNPCC' or 'incomplete HNPCC' can be used to describe families who do not or only partially fulfill the Amsterdam criteria, but in whom a genetic basis for colon cancer is strongly suspected. {ECO:0000269|PubMed:10480359, ECO:0000269|PubMed:11793469, ECO:0000269|PubMed:15887124, ECO:0000269|PubMed:16472587, ECO:0000269|PubMed:16619239, ECO:0000269|PubMed:18178629, ECO:0000269|PubMed:18602922, ECO:0000269|PubMed:19479271, ECO:0000269|PubMed:23709753, ECO:0000269|PubMed:24027009}. The disease is caused by mutations affecting the gene represented in this entry.; Mismatch repair cancer syndrome (MMRCS) [MIM:276300]: An autosomal recessive, rare, childhood cancer predisposition syndrome encompassing a broad tumor spectrum. This includes hematological malignancies, central nervous system tumors, Lynch syndrome-associated malignancies such as colorectal tumors as well as multiple intestinal polyps, embryonic tumors and rhabdomyosarcoma. Multiple cafe-au-lait macules, a feature reminiscent of neurofibromatosis type 1, are often found as first manifestation of the underlying cancer. Areas of skin hypopigmentation have also been reported in MMRCS patients. {ECO:0000269|PubMed:15077197, ECO:0000269|PubMed:17557300, ECO:0000269|PubMed:27435373, ECO:0000269|PubMed:7661930, ECO:0000269|PubMed:9419979}. The disease is caused by mutations affecting the gene represented in this entry.
General Description of PMS2 .
Postmeiotic segregation increased 2 or PMS2 was originally discovered in S. cerevisiae and is part of the mismatch repair system. It resides on 7p22.2 and its gene product partners with MLH1 to help detect mismatches in DNA . Mutations in PMS2 have been reported in about two percent of families with Lynch syndrome (hereditary nonpolyposis colorectal cancer).

Antibody (Suitable for clinical applications)

Sample Type: FFPE Patient Samples.
Tested Applications: IHC. Approved for In Vitro Diagnostic Procedures on FFPE tissues. For tissue collection recommendations, please see datasheet sent with product.
Application Notes
Specification Recommendation
Recommended Dilution (Conc) Only Available as Predilute
Pretreatment EDTA Buffer pH 8.0
Incubation Parameters 30 min at Room Temperature

Prior to use, inspect vial for the presence of any precipitate or other unusual physical properties. These can indicate that the antibody has degraded and is no longer suitable for patient samples. Please run positive and negative controls simultaneously with all patient samples to account and control for errors in laboratory procedure. Use of methods or materials not recommended by enQuire Bio including change to dilution range and detection system should be routinely validated by the user.

Clonality: Monoclonal
Anti-PMS2 Antibody Clone: A16-4
Host and Isotype: Mouse IgG1, kappa
Recommended Positive Control Sample: Colon carcinoma, tonsil
Cellular Localization of Antibody A16-4 Staining: Nuclear
Buffer and Stabilizer: PBS with 1% BSA and 0.05% NaN3
Antibody Concentration: Lot specific. Plese contact tech support for data.
Immunogen: Recombinant human PMS2 (C-terminus)
Storage Conditions: This antibody should be stored refrigerated (2-8°C). This product should not be used past the expiration date printed on the vial.

PMS2 Information for Pathologists


PMS2 is a component of the DNA mismatch repair system. The PMS2 gene (on chromosome 7) encodes an endonuclease that forms a heterodimer with MLH1 to form the MutL alpha complex which is activated upon recognition of DNA mismatches, insertions or deletions by MutS alpha and MutS beta heterodimers. Essential features Germ line mutations in PMS2 are associated with increased risk of colorectal cancer, hereditary nonpolyposis colon cancer, Lynch syndrome, Turcot syndrome and endometrial cancer. Milder microsatellite instability (less risk of developing cancer compared to MLH1 mutations).

Limitations and Warranty

This antibody is manufactured in accordance with clinical good manufacturing practices in an ISO13485:2016 certified production facility. It is intended for multiple uses including in vitro diagnostic use and research use only applications. Please see vial label for expiration date. We strive to always deliver antibodies with a shelf life of at least two years.

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PMS2 [A16-4] Antibody (cGMP).