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  5. XLF Antibody (YA2300)

XLF Antibody (YA2300) is a Rabbit-derived and non-conjugated IgG monoclonal antibody, targeting to XLF.

For research use only. We do not sell to patients.

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Top Publications Citing Use of Products
  • WB: Western Blot;
  • IHC-P: Immunohistochemistry-Paraffin;
  • IHC-F: Immunohistochemistry-Frozen;
  • ICC/IF: Immunocytochemistry/Immunofluorescence;
  • IF-Tissue: Immunofluorescence-Tissue;
  • mIHC: Multiplex Immunohistochemical;
  • IP: Immunoprecipitation;
  • ChIP: Chromatin Immunoprecipitation;
  • FC: Flow Cytometry;
  • ELISA: Enzyme Linked Immunosorbent Assay

  • Product Detail

  • Background

  • Documentation

Description

XLF Antibody (YA2300) is a Rabbit-derived and non-conjugated IgG monoclonal antibody, targeting to XLF.
Host

Rabbit
Clonality

Recombinant, Monoclonal
Molecular Weight
Predicted band size: 33 kDa;
Observed band size: 39 kDa
Note: Due to possible protein modifications or aggregation, the molecular weight should be confirmed by actual measurement, and the predicted value is for reference only.
Species Reactivity
Human, Mouse, Rat
SwissProt ID
Gene ID
Immunogen

A synthesized peptide derived from human XLF aa150-299/299.
Application &
Dilution Ratio
Application Dilution Ratio
WB
WB: Western Blot
1:500-1:1000
IHC-P
IHC-P: Immunohistochemistry-Paraffin
1:50-1:100
ICC/IF
ICC/IF: Immunocytochemistry/Immunofluorescence
1:50-1:200
FC
FC: Flow Cytometry
1:50-1:100
Sensitivity Endogenous Purity Affinity Purified
Conjugation Non-conjugated Modification Unmodified
Isotype IgG  
Appearance

Liquid
Formulation

Supplied in rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol.
Storage & Stability

Stored at -20°C for 1 year. Avoid repeated freeze / thaw cycles.
Shipping

Shipping with blue ice.
Background
Function：DNA repair protein involved in DNA non-homologous end joining (NHEJ); it is required for double-strand break (DSB) repair and V(D)J recombination and is also involved in telomere maintenance (PubMed:16439204, PubMed:16439205, PubMed:17317666, PubMed:17470781, PubMed:17717001, PubMed:18158905, PubMed:18644470, PubMed:20558749, PubMed:26100018, PubMed:28369633). Plays a key role in NHEJ by promoting the ligation of various mismatched and non-cohesive ends (PubMed:17470781, PubMed:17717001, PubMed:19056826). Together with PAXX, collaborates with DNA polymerase lambda (POLL) to promote joining of non-cohesive DNA ends (PubMed:25670504, PubMed:30250067). May act in concert with XRCC5-XRCC6 (Ku) to stimulate XRCC4-mediated joining of blunt ends and several types of mismatched ends that are non-complementary or partially complementary (PubMed:16439204, PubMed:16439205, PubMed:17317666, PubMed:17470781). In some studies, has been shown to associate with XRCC4 to form alternating helical filaments that bridge DNA and act like a bandage, holding together the broken DNA until it is repaired (PubMed:21768349, PubMed:21775435, PubMed:22228831, PubMed:22287571, PubMed:26100018, PubMed:27437582, PubMed:28500754). Alternatively, it has also been shown that rather than forming filaments, a single NHEJ1 dimer interacts through both head domains with XRCC4 to promote the close alignment of DNA ends (By similarity). The XRCC4-NHEJ1/XLF subcomplex binds to the DNA fragments of a DSB in a highly diffusive manner and robustly bridges two independent DNA molecules, holding the broken DNA fragments in close proximity to one other (PubMed:27437582, PubMed:28500754). The mobility of the bridges ensures that the ends remain accessible for further processing by other repair factors (PubMed:27437582). Binds DNA in a length-dependent manner (PubMed:17317666, PubMed:18158905)
Subcellular Localization：Nucleus; Chromosome
Expression：
Tissue_specificity:Ubiquitously expressed
Isoforms & Post-Translational Modification：Q9H9Q4 has 2 isomers: Q9H9Q4-1: 33337 Da (predicted); Q9H9Q4-2: 35291 Da (predicted).
Phosphorylated by PRKDC at the C-terminus in response to DNA damage (PubMed:18644470, PubMed:22228831, PubMed:28500754). Phosphorylations by PRKDC at the C-terminus of XRCC4 and NHEJ1/XLF are highly redundant and regulate ability of the XRCC4-NHEJ1/XLF subcomplex to bridge DNA (PubMed:22228831, PubMed:28500754). Phosphorylation does not prevent interaction with XRCC4 but disrupts ability to bridge DNA and promotes detachment from DNA (PubMed:22228831, PubMed:28500754)
Subunit：Homodimer; mainly exists as a homodimer when not associated with XRCC4 (PubMed:18046455, PubMed:18158905, PubMed:25574025, PubMed:25670504, PubMed:25941166). Interacts with XRCC4; the interaction is direct and is mediated via a head-to-head interaction between N-terminal head regions (PubMed:16439205, PubMed:17567543, PubMed:18158905, PubMed:20558749, PubMed:21768349, PubMed:21775435, PubMed:21936820, PubMed:22228831, PubMed:22287571, PubMed:22658747, PubMed:26100018, PubMed:27437582). Component of the core long-range non-homologous end joining (NHEJ) complex (also named DNA-PK complex) composed of PRKDC, LIG4, XRCC4, XRCC6/Ku70, XRCC5/Ku86 and NHEJ1/XLF (PubMed:16571728, PubMed:17317666, PubMed:33854234, PubMed:34352203, PubMed:17567543). Additional component of the NHEJ complex includes PAXX (PubMed:25574025, PubMed:25941166). Following autophosphorylation, PRKDC dissociates from DNA, leading to formation of the short-range NHEJ complex, composed of LIG4, XRCC4, XRCC6/Ku70, XRCC5/Ku86 and NHEJ1/XLF (PubMed:33854234). Interacts with POLL (DNA polymerase lambda); promoting POLL recruitment to double-strand breaks (DSBs) and stimulation of the end-filling activity of POLL (PubMed:30250067)
Database

Entrez Gene: 79840 Human ; 75570 Mouse ; 363251 Rat

SwissProt: Q9H9Q4 Human ; Q3KNJ2 Mouse ; Q6AYI4 Rat

OMIM: 611291 Human

Research Field

Epigenetics and Nuclear Signaling
Synonyms
Cernunno; Nhej1; Non homologous end joining factor 1; Protein cernunnos; XLF; XRCC4 like factor
Documentation
User Guide for Antibodies (1077 KB)

XLF Antibody (YA2300) Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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