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MLH1 antibody (MutL Homolog 1, Colon Cancer, Nonpolyposis Type 2 (E. Coli))

Details for Product anti-MLH1 Antibody No. ABIN967315, Supplier: Log in to see
Antigen
  • CG11482
  • Dmel\\CG11482
  • dmlh-1
  • dmlh1
  • zgc:66301
  • MLH1
  • LOC100232198
  • 1110035C23Rik
  • AI317206
  • AI325952
  • AI561766
  • COCA2
  • FCC2
  • HNPCC
  • HNPCC2
  • hMLH1
Alternatives
anti-Human MLH1 antibody for Immunohistochemistry (Frozen Sections)
Reactivity
Human
140
40
39
7
5
2
1
1
1
1
1
1
Host
Mouse
93
49
Clonality (Clone)
Monoclonal ()
Conjugate
This MLH1 antibody is un-conjugated
3
3
3
2
2
2
1
1
1
1
1
1
1
1
1
Application
Immunohistochemistry (Frozen Sections) (IHC (fro)), Immunohistochemistry (Paraffin-embedded Sections) (IHC (p)), Western Blotting (WB)
101
41
28
21
20
19
12
11
9
7
3
2
1
1
1
1
Supplier
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Brand BD Pharmingen™
Immunogen Human recombinant MLH
Clone G168
Isotype IgG1
Characteristics 1. Since applications vary, each investigator should titrate the reagent to obtain optimal results.
2. Caution: Sodium azide yields highly toxic hydrazoic acid under acidic conditions. Dilute azide compounds in running water before discarding to avoid accumulation of potentially explosive deposits in plumbing.
3. Source of all serum proteins is from USDA inspected abattoirs located in the United States.
4. Please refer to us for technical protocols.
Purification The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography.
Alternative Name MLH1 (MLH1 Antibody Abstract)
Background The repair of mismatched DNA is essential to maintaining the integrity of genetic information over time. In bacteria the DNA repair process is accomplished by the MutL, MutH, and MutS proteins. The MutS protein initially recognizes and binds to mismatched DNA. Following this, MutH, an endonuclease, and MutL form a complex with MutS and carry out an excision repair mechanism. When bacteria are deficient in one of these enzymes a mutator phenotype arises characterized by genetic instability. The important role played by DNA repair enzymes is emphasized by the fact that they are highly conserved from bacteria to yeast to mammals. In yeast the proteins are called MutS homolog 2 (MSH2), MutL homolog (MLH1), and PMS1 which is also a homolog of MutL. MSH2 is involved in the initial recognition of mismatched nucleotides during the replication mismatch repair process. It is thought that after MSH2 binds to a mismatched DNA duplex it is joined by a heterodimer of MLH1 and PMS1 which together help facilitate the later steps in mismatch repair. Biochemical studies of the human homologs of DNA mismatch repair enzymes MLH1, PMS2, and MSH2 indicate that human MSH2 protein can bind mispaired DNA, and that human MLH1 and PMS2 can exist as a heterodimer. These and other studies support the conservation of eukaryotic DNA mismatch repair mechanisms. The G168-15 antibody recognizes human MLH1 (80-85 kDa). Full-length human recombinant MLH was expressed as a fusion protein, affinity purified, and used as immunogen.
Molecular Weight 80-85 kDa
Research Area Cancer, DNA/RNA
Pathways DNA Damage Repair
Application Notes Applications include western blot analysis (0.5-2.0 µg/ml) and immunohistochemical staining of frozen and paraffin-embedded tissue sections (5-20 µg/ml). Jurkat control lysate [50 µg (1 µg/µl)] is provided as a western blot control (store lysate at -20°C). Additional Jurkat control lysate (ABIN968537) is sold separately. Intestine or normal colon is suggested as a positive control for immunohistochemical staining. In intestine, staining is primarily nuclear and is seen in the crypts of Lieberkuhn, similar to that described in the literature. Both nuclear and cytoplasmic staining have been observed in a variety of other normal and tumor tissue and cell types. Clone G168-728 (ABIN967392) is recommended for immunoprecipitation of MLH1.
Comment

Related Products: ABIN968537, ABIN967392, ABIN967389

Restrictions For Research Use only
Format Liquid
Concentration 0.25 mg/mL
Buffer Aqueous buffered solution containing BSA, glycerol, and ≤0.09 % sodium azide.
Preservative Sodium azide
Precaution of Use This product contains Sodium azide: a POISONOUS AND HAZARDOUS SUBSTANCE which should be handled by trained staff only.
Storage -20 °C
Storage Comment Store undiluted at -20°C.
Supplier Images
Western Blotting (WB) image for anti-MLH1 antibody (MutL Homolog 1, Colon Cancer, Nonpolyposis Type 2 (E. Coli)) (ABIN967315) Western blot analysis of MLH1. Lysate from Jurkat cells were probed with anti-MLH1 (c...
 image for anti-MLH1 antibody (MutL Homolog 1, Colon Cancer, Nonpolyposis Type 2 (E. Coli)) (ABIN967315) anti-MutL Homolog 1, Colon Cancer, Nonpolyposis Type 2 (E. Coli) (MLH1) antibody (Image 2)
Western Blotting (WB) image for anti-MLH1 antibody (MutL Homolog 1, Colon Cancer, Nonpolyposis Type 2 (E. Coli)) (ABIN967315) anti-MutL Homolog 1, Colon Cancer, Nonpolyposis Type 2 (E. Coli) (MLH1) antibody (Image 3)
Product cited in: Baker, Plug, Prolla et al.: "Involvement of mouse Mlh1 in DNA mismatch repair and meiotic crossing over." in: Nature genetics, Vol. 13, Issue 3, pp. 336-42, 1996 (PubMed).

Cleaver: "It was a very good year for DNA repair." in: Cell, Vol. 76, Issue 1, pp. 1-4, 1994 (PubMed).

Prolla, Christie, Liskay: "Dual requirement in yeast DNA mismatch repair for MLH1 and PMS1, two homologs of the bacterial mutL gene." in: Molecular and cellular biology, Vol. 14, Issue 1, pp. 407-15, 1994 (PubMed).

Prolla, Pang, Alani et al.: "MLH1, PMS1, and MSH2 interactions during the initiation of DNA mismatch repair in yeast." in: Science (New York, N.Y.), Vol. 265, Issue 5175, pp. 1091-3, 1994 (PubMed).

Fishel, Ewel, Lee et al.: "Binding of mismatched microsatellite DNA sequences by the human MSH2 protein." in: Science (New York, N.Y.), Vol. 266, Issue 5189, pp. 1403-5, 1994 (PubMed).

Li, Modrich: "Restoration of mismatch repair to nuclear extracts of H6 colorectal tumor cells by a heterodimer of human MutL homologs." in: Proceedings of the National Academy of Sciences of the United States of America, Vol. 92, Issue 6, pp. 1950-4, 1995 (PubMed).

Su, Modrich: "Escherichia coli mutS-encoded protein binds to mismatched DNA base pairs." in: Proceedings of the National Academy of Sciences of the United States of America, Vol. 83, Issue 14, pp. 5057-61, 1986 (PubMed).

Background publications Wilson, Ewel, Duguid et al.: "Differential cellular expression of the human MSH2 repair enzyme in small and large intestine." in: Cancer research, Vol. 55, Issue 22, pp. 5146-50, 1995 (PubMed).