MRPS21 Overexpression Lysate


Western Blot: MRPS21 Overexpression Lysate (Adult Normal) [NBL1-13292] Left-Empty vector transfected control cell lysate (HEK293 cell lysate); Right -Over-expression Lysate for MRPS21.

Product Details

Reactivity HuSpecies Glossary
Applications WB

Order Details

MRPS21 Overexpression Lysate Summary

Transient overexpression lysate of mitochondrial ribosomal protein S21 (MRPS21), nuclear gene encoding mitochondrial protein, transcript variant 1 The lysate was created in HEK293T cells, using Plasmid ID RC203193 and based on accession number NM_031901. The protein contains a C-MYC/DDK Tag.


Application Notes
This product is intended for use as a positive control in Western Blot.

You will receive 1 vial of lysate (100ug), 1 vial of empty vector negative control (100ug), and 1 vial of 2xSDS sample buffer (250ul).
Theoretical MW
10.6 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Packaging, Storage & Formulations

Store at -80C. Avoid freeze-thaw cycles.
RIPA buffer

Lysate Details for Array



HEK293T cells in 10-cm dishes were transiently transfected with a non-lipid polymer transfection reagent specially designed and manufactured for large volume DNA transfection. Transfected cells were cultured for 48hrs before collection. The cells were lysed in modified RIPA buffer (25mM Tris-HCl pH7.6, 150mM NaCl, 1% NP-40, 1mM EDTA, 1xProteinase inhibitor cocktail mix, 1mM PMSF and 1mM Na3VO4, and then centrifuged to clarify the lysate. Protein concentration was measured by BCA protein assay kit.This product is manufactured by and sold under license from OriGene Technologies and its use is limited solely for research purposes.

Alternate Names for MRPS21 Overexpression Lysate

  • 28S ribosomal protein S21, mitochondrial
  • mitochondrial 28S ribosomal protein S21
  • mitochondrial ribosomal protein S21
  • MRP-S21
  • RPMS21
  • S21mt


Mammalian mitochondrial ribosomal proteins are encoded by nuclear genes and help in protein synthesis within the mitochondrion. Mitochondrial ribosomes (mitoribosomes) consist of a small 28S subunit and a large 39S subunit. They have an estimated 75% protein to rRNA composition compared to prokaryotic ribosomes, where this ratio is reversed. Another difference between mammalian mitoribosomes and prokaryotic ribosomes is that the latter contain a 5S rRNA. Among different species, the proteins comprising the mitoribosome differ greatly in sequence, and sometimes in biochemical properties, which prevents easy recognition by sequence homology. This gene encodes a 28S subunit protein that belongs to the ribosomal protein S21P family. Pseudogenes corresponding to this gene are found on chromosomes 1p, 1q, 9p, 10p, 10q, 16q, and 17q. Available sequence data analyses identified splice variants that differ in the 5' UTR; both transcripts encode the same protein. Transcript Variant: This variant (1) is the predominant transcript. Variants 1 and 2 both encode the same protein.


This product is for research use only and is not approved for use in humans or in clinical diagnosis. Lysates are guaranteed for 6 months from date of receipt.

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Gene Symbol MRPS21