Recombinant Human Lin28B protein (Tagged)
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Recombinant Human Lin28B protein (Tagged) is a Human Full Length protein, in the 2 to 250 aa range, expressed in HEK 293 cells, with >70%, suitable for SDS-PAGE.
View Alternative Names
CSDD2, LIN28B, Protein lin-28 homolog B, Lin-28B
- SDS-PAGE
Supplier Data
SDS-PAGE - Recombinant Human Lin28B protein (Tagged) (AB271600)
SDS-PAGE analysis of 2 μg ab271600.
Reactivity data
Sequence info
Properties and storage information
Shipped at conditions
Appropriate short-term storage conditions
Appropriate long-term storage conditions
Storage information
Specifications
Form
Liquid
General info
Function
Suppressor of microRNA (miRNA) biogenesis, including that of let-7 and possibly of miR107, miR-143 and miR-200c. Binds primary let-7 transcripts (pri-let-7), including pri-let-7g and pri-let-7a-1, and sequester them in the nucleolus, away from the microprocessor complex, hence preventing their processing into mature miRNA (PubMed : 22118463). Does not act on pri-miR21 (PubMed : 22118463). The repression of let-7 expression is required for normal development and contributes to maintain the pluripotent state of embryonic stem cells by preventing let-7-mediated differentiation. When overexpressed, recruits ZCCHC11/TUT4 uridylyltransferase to pre-let-7 transcripts, leading to their terminal uridylation and degradation (PubMed : 19703396). This activity might not be relevant in vivo, as LIN28B-mediated inhibition of let-7 miRNA maturation appears to be ZCCHC11-independent (PubMed : 22118463). Interaction with target pre-miRNAs occurs via an 5'-GGAG-3' motif in the pre-miRNA terminal loop. Mediates MYC-induced let-7 repression (By similarity). When overexpressed, isoform 1 stimulates growth of the breast adenocarcinoma cell line MCF-7. Isoform 2 has no effect on cell growth.
Sequence similarities
Belongs to the lin-28 family.
Subcellular localisation
Nucleus
Target data
Product promise
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