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Lin28 peptide (ab64578)

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Overview

Product name

Lin28 peptide
See all Lin28 products (3) ...

Protein description

Synthetic peptide derived from within residues 150 to the C-terminus of Human Lin28.(Note: the amino acid sequence is proprietary)This peptide was used as an immunogen for ab63740 - Lin28 antibody.

Protein length

209 amino acids

Properties

Purity

70 - 90% by HPLC

Form

Liquid

Storage instructions

Shipped at 4°C. Upon delivery aliquot and store at -20°C or -80°C. Avoid repeated freeze / thaw cycles.

Storage buffer

Information available upon request.

Concentration

Concentration information loading...

Applications

Application notes

This peptide can be used with studies using ab63740.

Protein info

Function

Acts as a 'translational enhancer', driving specific mRNAs to polysomes and thus increasing the efficiency of protein synthesis. Its association with the translational machinery and target mRNAs results in an increased number of initiation events per molecule of mRNA and, indirectly, in stabilizing the mRNAs. Binds IGF2 mRNA, MYOD1 mRNA, ARBP/36B4 ribosomal protein mRNA and its own mRNA. Essential for skeletal muscle differentiation program through the translational up-regulation of IGF2 expression (By similarity). Acts as a suppressor of microRNA (miRNA) biogenesis by specifically binding the precursor let-7 (pre-let-7), a miRNA precursor. Acts by binding pre-let-7 and recruiting ZCCHC11/TUT4 uridylyltransferase, leading to the terminal uridylation of pre-let-7. Uridylated pre-let-7 miRNAs fail to be processed by Dicer and undergo degradation. Degradation of pre-let-7 in embryonic stem (ES) cells contributes to the maintenance of ES cells. In contrast, LIN28A down-regulation in neural stem cells by miR-125, allows the processing of pre-let-7. Specifically recognizes the 5'-GGAG-3' motif in the terminal loop of pre-let-7. Also recognizes and binds non pre-let-7 pre-miRNAs that contain the 5'-GGAG-3' motif in the terminal loop, leading to their terminal uridylation and subsequent degradation.

Tissue specificity

Expressed in embryonic stem cells (ES cells), placenta and testis.

Sequence similarities

Belongs to the lin-28 family.
Contains 2 CCHC-type zinc fingers.
Contains 1 CSD (cold-shock) domain.

Developmental stage

Expressed in fetal liver. Expression decreases during differentiation of ES cells or upon induction of neuronal differentiation by retinoic acid.

Domain

The CSD domain is required for function in muscle differentiation.

Cellular localization

Cytoplasm. Nucleus > nucleolus. Nucleolar localization observed in 10-15% of the nuclei in differentiated myotubes (By similarity). Shuttles between the cytoplasm and the nucleus. Localizes to cytoplasmic processing bodies and stress granules.

Target information above from: UniProt accessionQ9H9Z2 The UniProt Consortium
The Universal Protein Resource (UniProt) in 2010
Nucleic Acids Res. 38:D142-D148 (2010).

Information by UniProt

References for Lin28 peptide (ab64578)

ab64578 has not yet been referenced specifically in any publications.

Publishing research using ab64578? Please let us know so that we can cite the reference in this datasheet

Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"