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spcas9 protein  (Addgene inc)


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    Structured Review

    Addgene inc spcas9 protein
    Spcas9 Protein, supplied by Addgene inc, used in various techniques. Bioz Stars score: 94/100, based on 61 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/pet+28b+cas9+his/pET-28b-Cas9-His+(Plasmid+%2347327)/bio_rxiv__64898__2026__03__18__712093-371-0-6
    Average 94 stars, based on 61 article reviews
    spcas9 protein - by Bioz Stars, 2026-09
    94/100 stars

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    Related Articles

    Conjugation Assay:

    Article Title: A platform to deliver single and bi-specific Cas9/guide RNA to perturb genes in vitro and in vivo.
    Article Snippet: .. Generation and conjugation of cell-penetrating PS-Cas9 The recombinant Cas9 protein was produced in Escherichia coli. pET-28b-Cas9-His was a gift from Alex Schier (Addgene plasmid #47327; http://n2t.net/addgene:47327; RRID:Addgene_47327).101 To generate cell-penetrating Cas9 without interfering with its enzymatic activity, a cysteine was inserted at the C terminus after the His-tag fusion by site-directed mutagenesis (Figure S1A). ..

    Recombinant:

    Article Title: A platform to deliver single and bi-specific Cas9/guide RNA to perturb genes in vitro and in vivo.
    Article Snippet: .. Generation and conjugation of cell-penetrating PS-Cas9 The recombinant Cas9 protein was produced in Escherichia coli. pET-28b-Cas9-His was a gift from Alex Schier (Addgene plasmid #47327; http://n2t.net/addgene:47327; RRID:Addgene_47327).101 To generate cell-penetrating Cas9 without interfering with its enzymatic activity, a cysteine was inserted at the C terminus after the His-tag fusion by site-directed mutagenesis (Figure S1A). ..

    Article Title: Pamoic acid and carbenoxolone specifically inhibit CRISPR/Cas9 in bacteria, mammalian cells, and mice in a DNA topology-specific manner
    Article Snippet: .. All plasmids and primers used in the cloning experiments and oligonucleotides are summarized in Additional file 1: Table S2 and S3, respectively. pET-28b-Cas9-His and p6 × His_NLS-SaCas9 were obtained from Addgene (Cambridge, MA) for the recombinant expression of Spy Cas9 (Addgene, #47,327) [ ] and Sau Cas9 (Addgene, #101,086) [ ] in E. coli (Additional file 1: Table S2). .. A series of plasmids with various mutations on Spy Cas9 (pET-28b-Cas9-D10A, pET-28b-Cas9-H840A, pET-28b-dCas9 or pET-28b-Cas9-VQR) (Additional file 1: Table S2) were constructed with site-directed mutagenesis method according to Strategene’s instructions by using KOD-plus (TOYOBO, Osaka, Japan) and DpnI (New England Biolabs, NEB, Lincoln, NE), based on the pET-28b-Cas9-His template and the respective primer sets (No. 1–8, Additional file 1: Table S3).

    Article Title: Pamoic acid and carbenoxolone specifically inhibit CRISPR/Cas9 in bacteria, mammalian cells, and mice in a DNA topology-specific manner.
    Article Snippet: .. All plasmids and primers used in the cloning experiments and oligonucleotides are summarized in Additional file 1: Table S2 and S3, respectively. pET-28b-Cas9-His and p6 × His_NLS-SaCas9 were obtained from Addgene (Cambridge, MA) for the recombinant expression of SpyCas9 (Addgene, #47,327) [90] and SauCas9 (Addgene, #101,086) [91] in E. coli (Additional file 1: Table S2). .. A series of plasmids with various mutations on SpyCas9 (pET-28b-Cas9-D10A, pET-28b-Cas9-H840A, pET-28b-dCas9 or pET-28bCas9-VQR) (Additional file 1: Table S2) were constructed with site-directed mutagenesis method according to Strategene’s instructions by using KOD-plus (TOYOBO, Osaka, Japan) and DpnI (New England Biolabs, NEB, Lincoln, NE), based on the pET-28b-Cas9His template and the respective primer sets (No. 1–8, Additional file 1: Table S3).

    Article Title: An optimized SpCas9 high-fidelity variant for direct protein delivery
    Article Snippet: A derivative of pX330 (Addgene #42230) where the sgRNA cassette has been removed by NdeI digestion was used to express SpCas9 in mammalian cells (pX-Cas9). pX-Cas9 plasmids encoding the different mutants were obtained by site-directed mutagenesis of the WT pXCas9 plasmid using the ODNs reported in Table S2. sgRNAs were expressed from a pUC19 plasmid containing a U6-driven sgRNA expression cassette. .. Desired spacer sequences were cloned as annealed ODNs (Table S1) into a double BbsI site immediately upstream of the sgRNA scaffold according to previously published cloning strategies.35 To express SpCas9 in bacterial cells for recombinant protein production, a modified version of the pET-28b-Cas9-His (Addgene #47327) was used. ..

    Produced:

    Article Title: A platform to deliver single and bi-specific Cas9/guide RNA to perturb genes in vitro and in vivo.
    Article Snippet: .. Generation and conjugation of cell-penetrating PS-Cas9 The recombinant Cas9 protein was produced in Escherichia coli. pET-28b-Cas9-His was a gift from Alex Schier (Addgene plasmid #47327; http://n2t.net/addgene:47327; RRID:Addgene_47327).101 To generate cell-penetrating Cas9 without interfering with its enzymatic activity, a cysteine was inserted at the C terminus after the His-tag fusion by site-directed mutagenesis (Figure S1A). ..

    Plasmid Preparation:

    Article Title: A platform to deliver single and bi-specific Cas9/guide RNA to perturb genes in vitro and in vivo.
    Article Snippet: .. Generation and conjugation of cell-penetrating PS-Cas9 The recombinant Cas9 protein was produced in Escherichia coli. pET-28b-Cas9-His was a gift from Alex Schier (Addgene plasmid #47327; http://n2t.net/addgene:47327; RRID:Addgene_47327).101 To generate cell-penetrating Cas9 without interfering with its enzymatic activity, a cysteine was inserted at the C terminus after the His-tag fusion by site-directed mutagenesis (Figure S1A). ..

    Article Title: Simplified Protocol for the Purification of Native Cas Nucleases for DNA-Free Genome Editing
    Article Snippet: .. 1. pET-28b-Cas9-His (Addgene, Cambridge, MA, USA; plasmid no. 47327). .. 2. pET-dCas9-VP64-6xHis (Addgene, Cambridge, MA, USA; plasmid no. 62935).

    Activity Assay:

    Article Title: A platform to deliver single and bi-specific Cas9/guide RNA to perturb genes in vitro and in vivo.
    Article Snippet: .. Generation and conjugation of cell-penetrating PS-Cas9 The recombinant Cas9 protein was produced in Escherichia coli. pET-28b-Cas9-His was a gift from Alex Schier (Addgene plasmid #47327; http://n2t.net/addgene:47327; RRID:Addgene_47327).101 To generate cell-penetrating Cas9 without interfering with its enzymatic activity, a cysteine was inserted at the C terminus after the His-tag fusion by site-directed mutagenesis (Figure S1A). ..

    Mutagenesis:

    Article Title: A platform to deliver single and bi-specific Cas9/guide RNA to perturb genes in vitro and in vivo.
    Article Snippet: .. Generation and conjugation of cell-penetrating PS-Cas9 The recombinant Cas9 protein was produced in Escherichia coli. pET-28b-Cas9-His was a gift from Alex Schier (Addgene plasmid #47327; http://n2t.net/addgene:47327; RRID:Addgene_47327).101 To generate cell-penetrating Cas9 without interfering with its enzymatic activity, a cysteine was inserted at the C terminus after the His-tag fusion by site-directed mutagenesis (Figure S1A). ..

    Cloning:

    Article Title: Pamoic acid and carbenoxolone specifically inhibit CRISPR/Cas9 in bacteria, mammalian cells, and mice in a DNA topology-specific manner
    Article Snippet: .. All plasmids and primers used in the cloning experiments and oligonucleotides are summarized in Additional file 1: Table S2 and S3, respectively. pET-28b-Cas9-His and p6 × His_NLS-SaCas9 were obtained from Addgene (Cambridge, MA) for the recombinant expression of Spy Cas9 (Addgene, #47,327) [ ] and Sau Cas9 (Addgene, #101,086) [ ] in E. coli (Additional file 1: Table S2). .. A series of plasmids with various mutations on Spy Cas9 (pET-28b-Cas9-D10A, pET-28b-Cas9-H840A, pET-28b-dCas9 or pET-28b-Cas9-VQR) (Additional file 1: Table S2) were constructed with site-directed mutagenesis method according to Strategene’s instructions by using KOD-plus (TOYOBO, Osaka, Japan) and DpnI (New England Biolabs, NEB, Lincoln, NE), based on the pET-28b-Cas9-His template and the respective primer sets (No. 1–8, Additional file 1: Table S3).

    Article Title: Pamoic acid and carbenoxolone specifically inhibit CRISPR/Cas9 in bacteria, mammalian cells, and mice in a DNA topology-specific manner.
    Article Snippet: .. All plasmids and primers used in the cloning experiments and oligonucleotides are summarized in Additional file 1: Table S2 and S3, respectively. pET-28b-Cas9-His and p6 × His_NLS-SaCas9 were obtained from Addgene (Cambridge, MA) for the recombinant expression of SpyCas9 (Addgene, #47,327) [90] and SauCas9 (Addgene, #101,086) [91] in E. coli (Additional file 1: Table S2). .. A series of plasmids with various mutations on SpyCas9 (pET-28b-Cas9-D10A, pET-28b-Cas9-H840A, pET-28b-dCas9 or pET-28bCas9-VQR) (Additional file 1: Table S2) were constructed with site-directed mutagenesis method according to Strategene’s instructions by using KOD-plus (TOYOBO, Osaka, Japan) and DpnI (New England Biolabs, NEB, Lincoln, NE), based on the pET-28b-Cas9His template and the respective primer sets (No. 1–8, Additional file 1: Table S3).

    Article Title: An optimized SpCas9 high-fidelity variant for direct protein delivery
    Article Snippet: A derivative of pX330 (Addgene #42230) where the sgRNA cassette has been removed by NdeI digestion was used to express SpCas9 in mammalian cells (pX-Cas9). pX-Cas9 plasmids encoding the different mutants were obtained by site-directed mutagenesis of the WT pXCas9 plasmid using the ODNs reported in Table S2. sgRNAs were expressed from a pUC19 plasmid containing a U6-driven sgRNA expression cassette. .. Desired spacer sequences were cloned as annealed ODNs (Table S1) into a double BbsI site immediately upstream of the sgRNA scaffold according to previously published cloning strategies.35 To express SpCas9 in bacterial cells for recombinant protein production, a modified version of the pET-28b-Cas9-His (Addgene #47327) was used. ..

    Expressing:

    Article Title: Pamoic acid and carbenoxolone specifically inhibit CRISPR/Cas9 in bacteria, mammalian cells, and mice in a DNA topology-specific manner
    Article Snippet: .. All plasmids and primers used in the cloning experiments and oligonucleotides are summarized in Additional file 1: Table S2 and S3, respectively. pET-28b-Cas9-His and p6 × His_NLS-SaCas9 were obtained from Addgene (Cambridge, MA) for the recombinant expression of Spy Cas9 (Addgene, #47,327) [ ] and Sau Cas9 (Addgene, #101,086) [ ] in E. coli (Additional file 1: Table S2). .. A series of plasmids with various mutations on Spy Cas9 (pET-28b-Cas9-D10A, pET-28b-Cas9-H840A, pET-28b-dCas9 or pET-28b-Cas9-VQR) (Additional file 1: Table S2) were constructed with site-directed mutagenesis method according to Strategene’s instructions by using KOD-plus (TOYOBO, Osaka, Japan) and DpnI (New England Biolabs, NEB, Lincoln, NE), based on the pET-28b-Cas9-His template and the respective primer sets (No. 1–8, Additional file 1: Table S3).

    Article Title: Pamoic acid and carbenoxolone specifically inhibit CRISPR/Cas9 in bacteria, mammalian cells, and mice in a DNA topology-specific manner.
    Article Snippet: .. All plasmids and primers used in the cloning experiments and oligonucleotides are summarized in Additional file 1: Table S2 and S3, respectively. pET-28b-Cas9-His and p6 × His_NLS-SaCas9 were obtained from Addgene (Cambridge, MA) for the recombinant expression of SpyCas9 (Addgene, #47,327) [90] and SauCas9 (Addgene, #101,086) [91] in E. coli (Additional file 1: Table S2). .. A series of plasmids with various mutations on SpyCas9 (pET-28b-Cas9-D10A, pET-28b-Cas9-H840A, pET-28b-dCas9 or pET-28bCas9-VQR) (Additional file 1: Table S2) were constructed with site-directed mutagenesis method according to Strategene’s instructions by using KOD-plus (TOYOBO, Osaka, Japan) and DpnI (New England Biolabs, NEB, Lincoln, NE), based on the pET-28b-Cas9His template and the respective primer sets (No. 1–8, Additional file 1: Table S3).

    Clone Assay:

    Article Title: An optimized SpCas9 high-fidelity variant for direct protein delivery
    Article Snippet: A derivative of pX330 (Addgene #42230) where the sgRNA cassette has been removed by NdeI digestion was used to express SpCas9 in mammalian cells (pX-Cas9). pX-Cas9 plasmids encoding the different mutants were obtained by site-directed mutagenesis of the WT pXCas9 plasmid using the ODNs reported in Table S2. sgRNAs were expressed from a pUC19 plasmid containing a U6-driven sgRNA expression cassette. .. Desired spacer sequences were cloned as annealed ODNs (Table S1) into a double BbsI site immediately upstream of the sgRNA scaffold according to previously published cloning strategies.35 To express SpCas9 in bacterial cells for recombinant protein production, a modified version of the pET-28b-Cas9-His (Addgene #47327) was used. ..

    Modification:

    Article Title: An optimized SpCas9 high-fidelity variant for direct protein delivery
    Article Snippet: A derivative of pX330 (Addgene #42230) where the sgRNA cassette has been removed by NdeI digestion was used to express SpCas9 in mammalian cells (pX-Cas9). pX-Cas9 plasmids encoding the different mutants were obtained by site-directed mutagenesis of the WT pXCas9 plasmid using the ODNs reported in Table S2. sgRNAs were expressed from a pUC19 plasmid containing a U6-driven sgRNA expression cassette. .. Desired spacer sequences were cloned as annealed ODNs (Table S1) into a double BbsI site immediately upstream of the sgRNA scaffold according to previously published cloning strategies.35 To express SpCas9 in bacterial cells for recombinant protein production, a modified version of the pET-28b-Cas9-His (Addgene #47327) was used. ..



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