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AB74014

Anti-MCM4 (phospho S54) antibody

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(1 Publication)

Rabbit Polyclonal MCM4 phospho S54 antibody. Suitable for WB and reacts with African green monkey samples. Cited in 1 publication. Immunogen corresponding to Synthetic Peptide within Human MCM4 phospho S54.

View Alternative Names

CDC21, MCM4, DNA replication licensing factor MCM4, CDC21 homolog, P1-CDC21

1 Images
Western blot - Anti-MCM4 (phospho S54) antibody (AB74014)
  • WB

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Western blot - Anti-MCM4 (phospho S54) antibody (AB74014)

All lanes:

Western blot - Anti-MCM4 (phospho S54) antibody (ab74014) at 1/500 dilution

Lane 1:

Extracts from COS-7 cells treated with nocodazole (1uM, 16hours) at 5 µg

Lane 2:

Extracts from COS-7 cells treated with nocodazole (1uM, 16hours) at 5 µg with immunising phosphopeptide

Predicted band size: 97 kDa

Observed band size: 20 kDa,88 kDa

false

Key facts

Host species

Rabbit

Clonality

Polyclonal

Isotype

IgG

Carrier free

No

Reacts with

African green monkey

Applications

WB

applications

Immunogen

Synthetic Peptide within Human MCM4 phospho S54. The exact immunogen used to generate this antibody is proprietary information.

P33991

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Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Species", "Dilution Info", "Notes"], "tabs": { "all-applications": {"fullname" : "All Applications", "shortname": "All Applications"}, "WB" : {"fullname" : "Western blot", "shortname":"WB"} }, "product-promise": { "all": "all", "testedAndGuaranteed": "tested", "guaranteed": "expected", "predicted": "predicted", "notRecommended": "not-recommended" } }, "values": { "Mouse": { "WB-species-checked": "predicted", "WB-species-dilution-info": "", "WB-species-notes": "" }, "African green monkey": { "WB-species-checked": "testedAndGuaranteed", "WB-species-dilution-info": "1/500 - 1/1000", "WB-species-notes": "<p></p>" } } }
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Properties and storage information

Form
Liquid
Purification technique
Affinity purification Immunogen
Purification notes
ab74014 was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific phosphopeptide. The antibody against non-phosphopeptide was removed by chromatography using non-phosphopeptide corresponding to the phosphorylation site.
Storage buffer
pH: 7.4 Preservative: 0.02% Sodium azide Constituents: PBS, 50% Glycerol (glycerin, glycerine), 0.87% Sodium chloride
Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
-20°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle
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Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

MCM4 or Minichromosome Maintenance Complex Component 4 is a part of the MCM2-7 complex which is essential for the initiation and progression of DNA replication. It has a molecular mass of approximately 95 kDa. MCM4 functions as a DNA helicase unwinding DNA strands to allow replication forks to progress. This protein is expressed in various tissues with higher levels detected in dividing cells indicating its role in cell proliferation.
Biological function summary

MCM4 is a critical player in cell cycle regulation as it participates in the formation of the pre-replicative complex during the G1 phase of the cell cycle. Its function becomes evident as it interacts within the MCM2-7 hexameric complex important for helicase activity and stability. This complex prevents DNA re-replication within a single cell cycle ensuring the maintenance of genomic integrity.

Pathways

Several cellular mechanisms engage MCM4 particularly the DNA replication and cell cycle pathways. MCM4 associates with proteins like CDC45 and GINS within the CMG complex facilitating the activation and elongation phases of DNA replication. This relationship places MCM4 at the heart of orchestrating proper DNA synthesis and mitotic entry.

Researchers have linked MCM4 abnormalities to cancer progression and genomic instability. Overexpression or mutations in MCM4 disrupts normal replication processes heightening the risk for various cancers including breast and ovarian cancer. It also demonstrates interaction with the tumor suppressor protein p53 suggesting its involvement in processes that underpin malignancies linked to failed checkpoint control.
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Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:
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Target data

Acts as a component of the MCM2-7 complex (MCM complex) which is the replicative helicase essential for 'once per cell cycle' DNA replication initiation and elongation in eukaryotic cells. Core component of CDC45-MCM-GINS (CMG) helicase, the molecular machine that unwinds template DNA during replication, and around which the replisome is built (PubMed : 16899510, PubMed : 25661590, PubMed : 32453425, PubMed : 34694004, PubMed : 34700328, PubMed : 35585232, PubMed : 9305914). The active ATPase sites in the MCM2-7 ring are formed through the interaction surfaces of two neighboring subunits such that a critical structure of a conserved arginine finger motif is provided in trans relative to the ATP-binding site of the Walker A box of the adjacent subunit. The six ATPase active sites, however, are likely to contribute differentially to the complex helicase activity (PubMed : 16899510, PubMed : 25661590, PubMed : 32453425, PubMed : 9305914).
See full target information MCM4 phospho S54
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Publications (1)

Recent publications for all applications. Explore the full list and refine your search

Cancer biology & therapy 26:2471631 PubMed39992057

2025

CXCR4 confers stemness and radioresistance in chordoma cells.

Applications

Unspecified application

Species

Unspecified reactive species

Chan-Woong Jung,Jeong-Yub Kim,Myung-Jin Park
View all publications
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