• Featured Product
  • KD/KO Validated

CoraLite® Plus 488-conjugated STAT1 Monoclonal antibody

STAT1 Monoclonal Antibody for IF

Host / Isotype

Mouse / IgG2a

Reactivity

Human

Applications

IF

Conjugate

CoraLite® Plus 488 Fluorescent Dye

CloneNo.

1F7C6

Cat no : CL488-66545

Synonyms

DKFZp686B04100, ISGF 3, STAT1, STAT91



Tested Applications

Positive IF detected inHEK-293 cells

Recommended dilution

ApplicationDilution
Immunofluorescence (IF)IF : 1:50-1:500
It is recommended that this reagent should be titrated in each testing system to obtain optimal results.
Sample-dependent, check data in validation data gallery

Product Information

CL488-66545 targets STAT1 in IF applications and shows reactivity with Human samples.

Tested Reactivity Human
Host / Isotype Mouse / IgG2a
Class Monoclonal
Type Antibody
Immunogen STAT1 fusion protein Ag0199
Full Name signal transducer and activator of transcription 1, 91kDa
Calculated molecular weight 83 kDa
Observed molecular weight 84 kDa
GenBank accession numberBC002704
Gene symbol STAT1
Gene ID (NCBI) 6772
RRIDAB_2919342
Conjugate CoraLite® Plus 488 Fluorescent Dye
Excitation/Emission maxima wavelengths493 nm / 522 nm
Form Liquid
Purification Method Protein A purification
Storage Buffer PBS with 50% Glycerol, 0.05% Proclin300, 0.5% BSA, pH 7.3.
Storage ConditionsStore at -20°C. Avoid exposure to light. Aliquoting is unnecessary for -20oC storage. 20ul sizes contain 0.1% BSA.

Background Information

What is the molecular weight of STAT1? Are there any isoforms of STAT1? Is STAT1 post-translationally modified?

The molecular weight of STAT1 is 91 kDa for full-length STAT1α and 84 kDa for STAT1β, which is devoid of the C-terminal activation domain (PMID: 1502203). Phosphorylation of STAT1 regulates STAT1 activity. Phosphorylation of Tyr701 by Janus kinases (JAKs) triggers STAT1 homo- and hetero-dimerization with other STAT family members and also causes nuclear translocation, while phosphorylation of Ser727 is needed for full activation (PMID: 10851062). STAT1β lacks Ser727 and has therefore been considered to be inactive or acting in a dominant negative manner to STAT1α, although it has been further shown to be capable of transcription activation in vivo (PMID: 24710278).

 What is the subcellular localization of STAT1?

STAT1 is present in the cytoplasm and in the nucleus. Translocation of STAT1 from the cytoplasm to the nucleus is required for its regulation of gene expression and is dependent on phosphorylation (see above). However, low levels of unphosphorylated STAT1, often referred to as U-STAT1, can also be found in the nucleus, where U-STAT1 regulates the stability of heterochromatin by binding to chromatin in monomeric or dimeric states (PMID: 18840523).

 What is the tissue expression pattern of STAT1?

STAT1 is ubiquitously expressed.


Protocols

Product Specific Protocols
IF protocol for CL Plus 488 STAT1 antibody CL488-66545Download protocol
Standard Protocols
Click here to view our Standard Protocols