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POLA1 Antibody (N-Term)

Purified Rabbit Polyclonal Antibody (Pab)

     
  • 1 - POLA1 Antibody (N-Term) AP22317a
    Anti-POLA1 Antibody (N-Term) at 1:2000 dilution + 293T/17 whole cell lysate Lysates/proteins at 20 µg per lane. Secondary Goat Anti-Rabbit IgG, (H+L), Peroxidase conjugated at 1/10000 dilution. Predicted band size : 166 kDa Blocking/Dilution buffer: 5% NFDM/TBST.
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Product info
Application
  • Applications Legend:
  • E=ELISA
  • WB=Western Blotting
  • IHC=Immunohistochemistry
  • IHC-P=Immunohistochemistry (Paraffin)
  • IP=Immunoprecipitation
  • IF=Immunofluorescence
  • IC=Immunochemistry
  • ICC=Immunocytochemistry
  • FC=Flow Cytometry
  • DB=Dot Blot
WB, E
Primary Accession P09884
Other Accession P33609, O89042
Reactivity Human
Predicted Mouse, Rat
Host Rabbit
Clonality polyclonal
Isotype Rabbit Ig
Calculated MW 165913 Da
Additional info
Gene ID 5422
Other Names DNA polymerase alpha catalytic subunit, 2.7.7.7, DNA polymerase alpha catalytic subunit p180, POLA1, POLA
Target/Specificity This POLA1 antibody is generated from a rabbit immunized with a KLH conjugated synthetic peptide between 1-33 amino acids from the human region of human POLA1.
Dilution WB~~1:2000
StorageMaintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
PrecautionsPOLA1 Antibody (N-Term) is for research use only and not for use in diagnostic or therapeutic procedures.
Protein Information
Name POLA1
Synonyms POLA
Function Plays an essential role in the initiation of DNA replication. During the S phase of the cell cycle, the DNA polymerase alpha complex (composed of a catalytic subunit POLA1/p180, a regulatory subunit POLA2/p70 and two primase subunits PRIM1/p49 and PRIM2/p58) is recruited to DNA at the replicative forks via direct interactions with MCM10 and WDHD1. The primase subunit of the polymerase alpha complex initiates DNA synthesis by oligomerising short RNA primers on both leading and lagging strands. These primers are initially extended by the polymerase alpha catalytic subunit and subsequently transferred to polymerase delta and polymerase epsilon for processive synthesis on the lagging and leading strand, respectively. The reason this transfer occurs is because the polymerase alpha has limited processivity and lacks intrinsic 3' exonuclease activity for proofreading error, and therefore is not well suited for replicating long complexes.
Cellular Location Nucleus.

BACKGROUND

Plays an essential role in the initiation of DNA replication. During the S phase of the cell cycle, the DNA polymerase alpha complex (composed of a catalytic subunit POLA1/p180, a regulatory subunit POLA2/p70 and two primase subunits PRIM1/p49 and PRIM2/p58) is recruited to DNA at the replicative forks via direct interactions with MCM10 and WDHD1. The primase subunit of the polymerase alpha complex initiates DNA synthesis by oligomerising short RNA primers on both leading and lagging strands. These primers are initially extended by the polymerase alpha catalytic subunit and subsequently transferred to polymerase delta and polymerase epsilon for processive synthesis on the lagging and leading strand, respectively. The reason this transfer occurs is because the polymerase alpha has limited processivity and lacks intrinsic 3' exonuclease activity for proofreading error, and therefore is not well suited for replicating long complexes.

REFERENCES

Wong S.W.,et al.EMBO J. 7:37-47(1988).
Pearson B.E.,et al.Mol. Cell. Biol. 11:2081-2095(1991).
Hsi K.-L.,et al.Nucleic Acids Res. 18:6231-6237(1990).
Smale S.T.,et al.Mol. Cell. Biol. 6:4077-4087(1986).
Lee S.S.,et al.Proc. Natl. Acad. Sci. U.S.A. 92:7882-7886(1995).

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