All Photos(6)



Anti-MIER1 antibody produced in rabbit

enhanced validation

Prestige Antibodies® Powered by Atlas Antibodies, affinity isolated antibody, buffered aqueous glycerol solution

Anti-Early response 1, Anti-hmi-er1, Anti-Mi-er1, Anti-Mesoderm induction early response protein 1, Anti-Er1
Human Protein Atlas Number:

biological source


Quality Level

antibody form

affinity isolated antibody

antibody product type

primary antibodies



product line

Prestige Antibodies® Powered by Atlas Antibodies


buffered aqueous glycerol solution

species reactivity



antibody small pack of 25 μL

enhanced validation

orthogonal RNAseq
Learn more about Antibody Enhanced Validation


immunofluorescence: 0.25-2 μg/mL
immunohistochemistry: 1:50-1:200

immunogen sequence




UniProt accession no.

shipped in

wet ice

storage temp.


Gene Information

human ... MIER1(57708)

General description

MIER1 (Mesoderm induction early response 1) is a nuclear protein isolated from Xenopus laevis embryonic cells as a fibroblast growth factor early response gene. It has two isoforms, MIER1 α and β. In humans, it is expressed in all tumor cell lines and tumor tissue.


Mesoderm induction early response protein 1 recombinant protein epitope signature tag (PrEST)


All Prestige Antibodies Powered by Atlas Antibodies are developed and validated by the Human Protein Atlas (HPA) project ( as a result, are supported by the most extensive characterization in the industry.

The Human Protein Atlas project can be subdivided into three efforts: Human Tissue Atlas, Cancer Atlas, and Human Cell Atlas. The antibodies that have been generated in support of the Tissue and Cancer Atlas projects have been tested by immunohistochemistry against hundreds of normal and disease tissues and through the recent efforts of the Human Cell Atlas project, many have been characterized by immunofluorescence to map the human proteome not only at the tissue level but now at the subcellular level. These images and the collection of this vast data set can be viewed on the Human Protein Atlas (HPA) site by clicking on the Image Gallery link. To view these protocols and other useful information about Prestige Antibodies and the HPA, visit

Biochem/physiol Actions

MIER1 (Mesoderm induction early response 1) is a transcriptional regulator that may repress transcription by blocking the function of histone acetyltransferase. It participates in the chromatin remodeling by interacting with Creb-binding protein (CBP). Its N-terminal domain interacts with CBP, which further brings about acidic activation. During transcriptional regulation, it binds to the GAL4 DNA binding domain to repress transcriptional signals. Study shows that MIER1 expression is linked to the neoplastic state of human breast carcinoma.

Features and Benefits

Prestige Antibodies® are highly characterized and extensively validated antibodies with the added benefit of all available characterization data for each target being accessible via the Human Protein Atlas portal linked just below the product name at the top of this page. The uniqueness and low cross-reactivity of the Prestige Antibodies® to other proteins are due to a thorough selection of antigen regions, affinity purification, and stringent selection. Prestige antigen controls are available for every corresponding Prestige Antibody and can be found in the linkage section.

Every Prestige Antibody is tested in the following ways:
  • IHC tissue array of 44 normal human tissues and 20 of the most common cancer type tissues.
  • Protein array of 364 human recombinant protein fragments.


Corresponding Antigen APREST73798.

Physical form

Solution in phosphate-buffered saline, pH 7.2, containing 40% glycerol and 0.02% sodium azide

Legal Information

Prestige Antibodies is a registered trademark of Sigma-Aldrich Co. LLC


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 Class Code

10 - Combustible liquids

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

Goran Lakisic et al.
PLoS genetics, 12(3), e1005898-e1005898 (2016-03-05)
BAHD1 is a vertebrate protein that promotes heterochromatin formation and gene repression in association with several epigenetic regulators. However, its physiological roles remain unknown. Here, we demonstrate that ablation of the Bahd1 gene results in hypocholesterolemia, hypoglycemia and decreased body...
Zhihu Ding et al.
Molecular and cellular biology, 23(1), 250-258 (2002-12-17)
mi-er1 (previously called er1) was first isolated from Xenopus laevis embryonic cells as a novel fibroblast growth factor-regulated immediate-early gene. Xmi-er1 was shown to encode a nuclear protein with an N-terminal acidic transcription activation domain. The human orthologue of mi-er1...
Tina M Blackmore et al.
BMC research notes, 1, 68-68 (2008-08-30)
Mier1 encodes a novel transcriptional regulator and was originally isolated as a fibroblast growth factor early response gene. Two major protein isoforms have been identified, MIER1alpha and beta, which differ in their C-terminal sequence. Previously, we demonstrated that both isoforms...
G D Paterno et al.
Gene, 222(1), 77-82 (1998-11-14)
We recently cloned and characterized a novel immediate-early gene, called er1, from Xenopus embryos whose expression levels were increased during mesoderm induction by fibroblast growth factor (FGF). We describe here the isolation and expression pattern of the human er1 sequence....

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

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