Product Info Summary
| SKU: | PA1537 |
|---|---|
| Size: | 100 μg/vial |
| Reactive Species: | Human, Mouse, Rat |
| Host: | Rabbit |
| Application: | WB |
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Product info
Product Name
Anti-ATF4 Antibody Picoband®
SKU/Catalog Number
PA1537
BA1501-2 is an alternative SKU for this antibody, used in previous lots.
Size
100 μg/vial
Form
Lyophilized
Description
Boster Bio Anti-ATF4 Antibody catalog # PA1537. Tested in WB applications. This antibody reacts with Human, Mouse, Rat. The brand Picoband indicates this is a premium antibody that guarantees superior quality, high affinity, and strong signals with minimal background in Western blot applications. Only our best-performing antibodies are designated as Picoband, ensuring unmatched performance.
Storage & Handling
Store at -20˚C for one year from date of receipt. After reconstitution, at 4˚C for one month. It can also be aliquotted and stored frozen at -20˚C for six months. Avoid repeated freeze-thaw cycles.
Cite This Product
Anti-ATF4 Antibody Picoband® (Boster Biological Technology, Pleasanton CA, USA, Catalog # PA1537)
Host
Rabbit
Contents
Each vial contains antibody formulated with stabilizing components, 0.9mg NaCl, 0.2mg Na2HPO4, 0.05mg Thimerosal, 0.05mg NaN3.
*This antibody is supplied in a stabilized formulation.
Compatibility with conjugation reactions depends on the chemistry of the conjugation method used.
For conjugation methods that are not compatible with the stabilizing components present in this formulation, a carrier-free antibody format is required.
Clonality
Polyclonal
Isotype
Rabbit IgG
Immunogen
A synthetic peptide corresponding to a sequence at the C-terminus of human ATF4, identical to the related rat and mouse sequences.
Cross-reactivity
No cross-reactivity with other proteins
Reactive Species
PA1537 is reactive to ATF4 in Human, Mouse, Rat
Observed Molecular Weight
39 kDa
Calculated molecular weight
38.6 kDa
Background of ATF4
ATF4, Activating Transcription Factor 4, is also know as CREB2. ATF4 belongs to the large ATF/CREB family of transcription factors which bind DNA via their basic region and dimerize via their leucine zipper domain to form a variety of homo- and heterodimers to regulate gene transcription. It is identified that members of this family share significant sequence similarity within a leucine zipper DNA-binding motif and an adjacent basic region. The ATF4 gene is mapped to chromosome 22. Unlike CREB, which activates transcription from CRE-containing promoters, CREB2 functions as a specific repressor of CRE-dependent transcription. The transcriptional repressor activity resides within the C-terminal leucine zipper and basic domain region of the CREB2 protein.
Antibody Validation
Boster validates all antibodies on WB, IHC, ICC, Immunofluorescence, and ELISA with known positive control and negative samples to ensure specificity and high affinity, including thorough antibody incubations.
Application & Images
Applications
PA1537 is guaranteed for WB Boster Guarantee
Assay Dilutions Recommendation
The recommendations below provide a starting point for assay optimization. The actual working concentration varies and should be decided by the user.
Western blot, 0.1-0.5μg/ml, Human, Rat, Mouse
Positive Control
WB: A431 Whole Cell, RAJI Whole Cell, CEM Whole Cell, HUT Whole Cell
Validation Images & Assay Conditions
Click image to see more details
Anti-ATF4 antibody, PA1537, Western blotting
All lanes: Anti ATF4 (PA1537) at 0.5ug/ml
Lane 1: A431 Whole Cell Lysate at 40ug
Lane 2: RAJI Whole Cell Lysate at 40ug
Lane 3: CEM Whole Cell Lysate at 40ug
Lane 4: HUT Whole Cell Lysate at 40ug
Predicted bind size: 39KD
Observed bind size: 39KD
Specific Publications For Anti-ATF4 Antibody Picoband® (PA1537)
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4 Customer Q&As for Anti-ATF4 Antibody Picoband®
Question
We have seen staining in mouse leukemic t-cell. Are there any suggestions? Is anti-ATF4 antibody supposed to stain leukemic t-cell positively?
Verified Customer
Verified customer
Asked: 2020-04-02
Answer
Based on literature leukemic t-cell does express ATF4. Based on Uniprot.org, ATF4 is expressed in lower esophagus, fibroblast, leukemic t-cell, colon, lung, placenta urinary bladder, cervix carcinoma, among other tissues. Regarding which tissues have ATF4 expression, here are a few articles citing expression in various tissues:
Cervix carcinoma, Pubmed ID: 20068231
Colon, Lung, Placenta, and Urinary bladder, Pubmed ID: 15489334
Fibroblast, Pubmed ID: 1847461
Leukemic T-cell, Pubmed ID: 1534408
Boster Scientific Support
Answered: 2020-04-02
Question
Our lab were happy with the WB result of your anti-ATF4 antibody. However we have been able to see positive staining in placenta urinary bladder cytoplasm. using this antibody. Is that expected? Could you tell me where is ATF4 supposed to be expressed?
Verified Customer
Verified customer
Asked: 2019-07-22
Answer
Based on literature, placenta urinary bladder does express ATF4. Generally ATF4 expresses in cytoplasm. Regarding which tissues have ATF4 expression, here are a few articles citing expression in various tissues:
Cervix carcinoma, Pubmed ID: 20068231
Colon, Lung, Placenta, and Urinary bladder, Pubmed ID: 15489334
Fibroblast, Pubmed ID: 1847461
Leukemic T-cell, Pubmed ID: 1534408
Boster Scientific Support
Answered: 2019-07-22
Question
My lab would like using your anti-ATF4 antibody for cellular calcium ion homeostasis studies. Has this antibody been tested with western blotting on a431 whole cell lysate? We would like to see some validation images before ordering.
Verified Customer
Verified customer
Asked: 2019-03-20
Answer
Thanks for your inquiry. This PA1537 anti-ATF4 antibody is validated on a431 whole cell lysate, raji whole cell lysate, cem whole cell lysate, hut whole cell lysate. It is guaranteed to work for WB in human, mouse, rat. Our Boster guarantee will cover your intended experiment even if the sample type has not been be directly tested.
Boster Scientific Support
Answered: 2019-03-20
Question
We are currently using anti-ATF4 antibody PA1537 for mouse tissue, and we are content with the WB results. The species of reactivity given in the datasheet says human, mouse, rat. Is it possible that the antibody can work on primate tissues as well?
M. Li
Verified customer
Asked: 2017-11-09
Answer
The anti-ATF4 antibody (PA1537) has not been tested for cross reactivity specifically with primate tissues, but there is a good chance of cross reactivity. We have an innovator award program that if you test this antibody and show it works in primate you can get your next antibody for free. Please contact me if I can help you with anything.
Boster Scientific Support
Answered: 2017-11-09


