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CAS9PROT

Sigma-Aldrich

Cas9 Protein

from Streptococcus pyogenes, recombinant, expressed in E. coli, 1X NLS

Synonyme(s) :

Cas9, SpCas9, SpyCas9

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About This Item

Code UNSPSC :
12352202
Nomenclature NACRES :
NA.51

Produit recombinant

expressed in E. coli

Niveau de qualité

300

Pureté

≥95% (SDS-PAGE)

Forme

lyophilized powder

Conditionnement

pkg of 1 kit (3 components)

Application(s)

CRISPR

Conditions d'expédition

wet ice

Température de stockage

−20°C

Description générale

CAS9, also known as cas5 and csn1, is the signature gene of the type II clustered regularly interspaced short palindromic repeats (CRISPR)-RuvC (RNase H-like fold) cas system. CAS9 contains 1388 amino acids. This protein is predicted to contain a RuvC/ ribonuclease (RNase) H domain involved in crRNA maturation and McrA/HNH signature domain involved in the DNA degradation step.
Recombinant Cas9 protein from Streptococcus pyogenes (~160 KD) is a ready-to-use reagent for genome engineering experiments. When combined with target-specific guide RNAs, wild type Streptococcus pyogenes Cas9 protein will act as a targeted nuclease suitable for transfection of cell cultures and for the accelerated development of genetically-modified animals via one-cell embryo injection.

Application

Functional Genomics/Target Validation/Genome Editing

Actions biochimiques/physiologiques

CAS9 plays a vital role in plasmid DNA interference. It is the only cas protein needed to deliver resistance against foreign DNA. CAS9 stimulates both RNA-guided genome editing and gene regulation in various organisms, but it can facilitate only one activity at a time within any given cell.

Caractéristiques et avantages

  • Highly specific
  • Highly active
  • Ready-to-inject/transfect

Conditionnement

pkg of 50 μg (≥ 300 pmol)
pkg of 250 μg (≥ 1500 pmol)

Composants

Each kit consists of:
  • one vial of Cas9 recombinant protein
  • one vial containing 1 mL of 1× dilution buffer
  • one vial containing 1 mL of nuclease-free water with glycerol

Principe

CRISPR/Cas systems are employed by bacteria and archaea as a defense against invading viruses and plasmids. Recently, the type II CRISPR/Cas system from the bacterium Streptococcus pyogenes has been engineered to function in eukaryotic systems using two molecular components: a single Cas9 protein and a non-coding guide RNA (gRNA). The Cas9 endonuclease can be programmed with a gRNA, directing a DNA double-strand break (DSB) at a desired genomic location. Similar to DSBs induced by zinc finger nucleases (ZFNs), the cell then activates endogenous DNA repair processes, either non-homologous end joining (NHEJ) or homology-directed repair (HDR), to heal the targeted DSB.

Reconstitution

Lyophilized S. pyogenes Cas9 protein should be resuspended in the Reconstitution solution provided to desired concentration. Gently tap tube to completely dissolve lyophilized powder, incubate for 10 minutes on ice, and spin tube to bring material to bottom of tube.

Autres remarques

Use our CRISPR Selection Tool to order gRNA

Check out our other MISSION® Cas9 Proteins at SigmaAldrich.com/CRISPRproteins

Informations légales

CRISPR Use License Agreement
MISSION is a registered trademark of Merck KGaA, Darmstadt, Germany

Composants de kit seuls

Réf. du produit
Description
  • Cas9-NLS from Streptococcus pyogenes, expressed in Escherichia coli
  • Dilution buffer for Cas9 proteins
  • Reconstitution solution for Cas9 proteins

Code de la classe de stockage

10 - Combustible liquids

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.

Consulter la Bibliothèque de documents

Joseph Andrew Whitley et al.
Journal of extracellular vesicles, 11(4), e12196-e12196 (2022-04-07)
CRISPR/Cas9 genome editing is a very promising avenue for the treatment of a variety of genetic diseases. However, it is still very challenging to encapsulate CRISPR/Cas9 machinery for delivery. Protein N-myristoylation is an irreversible co/post-translational modification that results in the
Yu Shirai et al.
Cell reports methods, 2(5), 100215-100215 (2022-06-01)
Current approaches for insect gene editing require microinjection of materials into early embryos. This severely limits the application of gene editing to a great number of insect species, especially to those whose reproduction systems preclude access to early embryos for
Aaron A Smargon et al.
Nature communications, 13(1), 1125-1125 (2022-03-04)
CRISPR-Cas9 expression independent of its cognate synthetic guide RNA (gRNA) causes widespread genomic DNA damage in human cells. To investigate whether Cas9 can interact with endogenous human RNA transcripts independent of its guide, we perform eCLIP (enhanced CLIP) of Cas9
Ana Carolina Seni-Silva et al.
BMC genomics, 23(1), 123-123 (2022-02-14)
The Natterin protein family was first discovered in the venom of the medically significant fish Thalassophryne nattereri, and over the last decade natterin-like genes have been identified in various organisms, notably performing immune-related functions. Previous findings support natterin-like genes as
Matthew D Newton et al.
Methods in molecular biology (Clifton, N.J.), 2478, 349-378 (2022-09-06)
The discovery of CRISPR/Cas9 as an easily programmable endonuclease heralds a new era of genetic manipulation. With this comes the prospect of novel gene therapy approaches, and the potential to cure previously untreatable genetic diseases. However, reports of spurious off-target
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