ABE2601-100UG | Anti-DNA helicase B (HELB)

新着ABE2601-100UG
100 μg  
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      概要

      Replacement Information

      主要スペック表

      Species ReactivityKey ApplicationsHostFormatAntibody Type
      H WB Rb Purified Polyclonal Antibody
      Description
      Catalogue NumberABE2601-100UG
      DescriptionAnti-DNA helicase B (HELB)
      Alternate Names
      • DNA helicase B
      • hDHB
      Background InformationDNA helicase B (UniProt: Q8NG08; also known as EC: 3.6.4.12, hDHB) is encoded by the HELB gene (Gene ID: 92797) in human. DNA helicase B is highly expressed in testis and thymus and weaker expression is observed in liver, spleen, kidney, and brain. It is predominantly nuclear, however, following phosphorylation at serine 967 by CDK2 during the G1/S transition it is exported into the cytoplasm. Following DNA damage, it is recruited to sites of double-strand breaks by the RPA complex. Its recruitment to single-stranded DNA following DNA damage leads to inhibition of nucleases catalyzing resection, such as EXO1, BLM and DNA2, possibly via the 5'-3' ssDNA translocase activity of HELB. As cells approach S phase, DNA end resection is promoted by the nuclear export of HELB following its phosphorylation. Its nuclear export signal is localized to amino acids 1055-1078. It uses either magnesium or manganese ions to support its helicase activity and the DNA helicase B activity is inhibited by salt concentrations higher than 100 mM. It binds strongly to single-stranded DNA in the absence of ATP, but dissociates readily in the presence of 1 mM ATP. Two isoforms of DNA helicase B have been reported that are produced by alternative splicing.
      References
      Product Information
      FormatPurified
      PresentationPurified rabbit polyclonal antibody in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide.
      Applications
      ApplicationAnti-DNA helicase B (HELB) Antibody, Cat. No. ABE2601, is a highly specific rabbit polyclonal antibody that targets DNA helicase B (HELB) and has been tested for use in Western Blotting.
      Key Applications
      • Western Blotting
      Application NotesWestern Blotting Analysis: A representative lot detected DNA helicase B (HELB) in U2OS cells transfected with a non-targeting siRNA (CTRL) or siRNAs targeting protein and HeLa cells transfected with non-targeting (siCTRL) or HELB-targeting (siHELB) siRNAs (Tkac, J., et. al. (2016). Mol Cell. 61(3):405-418).
      Biological Information
      ImmunogenMBP-conjugated recombinant fragment corresponding to the first 199 amino acids from the N-terminal region of human DNA helicase B.
      EpitopeN-terminus
      ConcentrationPlease refer to lot specific datasheet.
      HostRabbit
      SpecificityThis rabbit polyclonal antibody specifically detects DNA helicase B in human cells.
      IsotypeIgG
      Species Reactivity
      • Human
      Species Reactivity NoteHuman.
      Antibody TypePolyclonal Antibody
      Entrez Gene Number
      Gene Symbol
      • HELB
      Purification MethodAffinity Purified
      UniProt Number
      Molecular Weight~145 kDa observed; 123.25 kDa calculated. Uncharacterized bands may be observed in some lysate(s).
      Physicochemical Information
      Dimensions
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Safety Information
      Product Usage Statements
      Quality AssuranceEvaluated by Western Blotting in siRNA control & siRNA HELB U2OS cell lysate.

      Western Blotting Analysis: 2 µg/mL of this antibody detected DNA helicase B (HELB) in lysate from U2OS cells treated with non-targeting siRNA, but not in lysates from siRNA HELB treated U2OS cells.


      Usage Statement
      • Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
      Storage and Shipping Information
      Storage ConditionsStable for 1 year at 2-8°C from date of receipt.
      Packaging Information
      Material Size100 μg
      Transport Information
      Supplemental Information
      Specifications