Recombinant Human 60S ribosomal protein L11 (RPL11)

Code CSB-YP020115HU
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Source Yeast
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Code CSB-EP020115HU
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Source E.coli
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Code CSB-EP020115HU-B
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP020115HU
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Source Baculovirus
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Code CSB-MP020115HU
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Source Mammalian cell
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Product Details

>85% (SDS-PAGE)
Target Names
Uniprot No.
Alternative Names
60S ribosomal protein L11; Cell growth inhibiting protein 34; Cell growth inhibiting protein34; CLL associated antigen KW 12; CLL associated antigen KW12; CLL-associated antigen KW-12; DBA 7; DBA7; GIG 34; GIG34; L11; Ribosomal protein L11; RL11_HUMAN; RPL 11; Rpl11
Homo sapiens (Human)
Expression Region
Target Protein Sequence
Protein Length
Full Length of Mature Protein
Tag Info
Tag type will be determined during the manufacturing process.
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer before Lyophilization
Tris/PBS-based buffer, 6% Trehalose, pH 8.0
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time
Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Please contact us to get it.

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Target Background

Component of the ribosome, a large ribonucleoprotein complex responsible for the synthesis of proteins in the cell. The small ribosomal subunit (SSU) binds messenger RNAs (mRNAs) and translates the encoded message by selecting cognate aminoacyl-transfer RNA (tRNA) molecules. The large subunit (LSU) contains the ribosomal catalytic site termed the peptidyl transferase center (PTC), which catalyzes the formation of peptide bonds, thereby polymerizing the amino acids delivered by tRNAs into a polypeptide chain. The nascent polypeptides leave the ribosome through a tunnel in the LSU and interact with protein factors that function in enzymatic processing, targeting, and the membrane insertion of nascent chains at the exit of the ribosomal tunnel. As part of the 5S RNP/5S ribonucleoprotein particle it is an essential component of the LSU, required for its formation and the maturation of rRNAs. It also couples ribosome biogenesis to p53/TP53 activation. As part of the 5S RNP it accumulates in the nucleoplasm and inhibits MDM2, when ribosome biogenesis is perturbed, mediating the stabilization and the activation of TP53. Promotes nucleolar location of PML.
Gene References into Functions
  1. PICT-1 is a major nucleolar sensor of the DNA damage repair response and an important upstream regulator of p53 via the RPL11-MDM2-p53 pathway. PMID: 27829214
  2. A novel pathogenic mutation in RPL11 identified in a patient diagnosed with diamond Blackfan anemia as a young adult. PMID: 27667165
  3. RPL splicing variant is associated with Diamond-Blackfan anemia. PMID: 28742285
  4. Simulation of HEY1 Ser-68 phosphorylation prevents its interaction with p53, RPL11 and MDM2 and abolishes HEY1 migration to nucleolar caps upon ribosomal stress. Our findings uncover a novel mechanism for cross-talk between Notch signalling and nucleolar stress PMID: 27129302
  5. Data suggest 5S ribosomal RNA is a direct target of miR-150 and miR-383 in esophageal squamous cell carcinoma (ESCC); overexpression of miR-150 and miR-383 inhibits ESCC cell proliferation in vitro and in vivo and intensifies RPL11/c-Myc interaction. PMID: 26606907
  6. Data indicate that ribosomal protein (L11) promotes the recruitment of microRNA-130a (miR-130a) to oncoprotein c-Myc in response to UV irradiation treatment. PMID: 25544755
  7. Data indicate that ribosomal protein L11 (RPL11)-expressing cells proliferated more rapidly than the ribosomal protein L11 (RPL11)-expressing cells. PMID: 25829192
  8. levels of branched-chain aminotransferase-1 (BCAT1) transcripts are significantly decreased on the polysomes of both RPS19 and RPL11 cells and that translation of BCAT1 protein is especially impaired in cells with small RP gene mutations PMID: 24463277
  9. Findings suggest that PICT1 has a crucial role in gastric cancer progression by regulating the MDM2-TP53 pathway through RPL11. PMID: 24045667
  10. RPL11 mutations led to a dramatic decrease in progenitor cell proliferation and a delayed erythroid differentiation with a marked increase in apoptosis and G0/1 cell cycle arrest with activation of p53. PMID: 22833095
  11. The studies provide insights on how nucleolar stress through L11 and NEDD8 can activate the transcriptional activity of p53. PMID: 22081073
  12. ARF activates p53, at least partly by induction of ribosomal stress, which results in L11 suppression of MDM2 PMID: 22467867
  13. Hydrophilic residues are crucial for ribosomal protein L11 (RPL11) interaction with zinc finger domain of MDM2 and p53 protein activation PMID: 21903592
  14. Results identify a novel regulatory paradigm wherein L11 plays a critical role in controlling c-myc mRNA turnover via recruiting miR-24/miRISC in response to ribosomal stress. PMID: 21807902
  15. Data report that depletion of L37 leads to cell cycle arrest in a MDM2/L11- and p53-dependent manner. PMID: 20935493
  16. L11 suppresses c-Myc-dependent and RNA polymerase III-catalyzed transcription of 5 S rRNA and tRNA genes in response to ribosomal stress, ensuring a tight coordination between c-Myc activity and ribosomal biogenesis. PMID: 20194507
  17. cells survey the maturation of the small and large ribosomal subunits by separate molecular routes, which may merge in an L11-dependent signaling pathway for p53 stabilization. PMID: 20056613
  18. L11 functions as a negative regulator of HDM2 and there might exist in vivo an L11-HDM2-p53 pathway for monitoring ribosomal integrity PMID: 14612427
  19. L11 is not regulated by transcription or protein stability and its level remains relatively constant during serum starvation, which induces translocation of L11 from the nucleolus to the nucleoplasm, where it participates in a complex with HDM2 PMID: 15152193
  20. differentially regulates the levels of ubiquitinated p53 and MDM2 and inhibits the turnover and activity of MDM2 through a post-ubiquitination mechanism PMID: 16803902
  21. These results identify L11 as a feedback inhibitor of c-Myc and suggest a novel role for L11 in regulating c-Myc-enhanced ribosomal biogenesis. PMID: 17599065
  22. Transcription factor YY1 participates in activation transcription of the human ribosomal protein L11 gene PMID: 18389627
  23. RPL11 mutations are associated with abnormal thumbs in Diamond-Blackfan anemia patients. PMID: 19061985
  24. Mutations in RPL11 were identified in two patients from 2 out of 28 families (7.1%). PMID: 19191325
  25. The cell selectively upregulates the translation of mRNAs with a polypyrimidine tract at their 5'-transcriptional start site (5'-TOP mRNAs), including that encoding rpL11, on impairment of 40S ribosome biogenesis. PMID: 19287375
  26. identify NEDD8 as a crucial regulator of L11 RP signalling to p53. A decrease in L11 NEDDylation during nucleolar stress causes relocalization of L11 from the nucleolus to the nucleoplasm. PMID: 19713960

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Involvement in disease
Diamond-Blackfan anemia 7 (DBA7)
Subcellular Location
Nucleus, nucleolus. Cytoplasm.
Protein Families
Universal ribosomal protein uL5 family
Database Links

HGNC: 10301

OMIM: 604175

KEGG: hsa:6135

STRING: 9606.ENSP00000363676

UniGene: Hs.719951

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