user-defined upper limit for the number of target sequences returned
Alignment
region of similarity between target and query sequences
E-value
a BLAST statistic representing the significance of an alignment, values close to zero
indicate high sequence similarity with low probability of the similarity occurring by chance
Identities
the number of exact nucleotide matches over the alignment, expressed as a fraction
and a percentage
Query Coverage
the length of the query sequence that matches the target sequence in the
alignment
Bit Score
a BLAST statistic measuring the quality of an alignment, higher values indicate a
more significant match
Span
the length of the alignment, including gaps
About Search by Sequence
Search by Sequence performs a nucleotide-nucleotide BLAST search against Addgene’s plasmid sequence database.
BLAST returns plasmids with similarity to the query sequence.
Results are sorted by E-value, a statistic from BLAST that describes the significance of a match.
Lower values are considered better matches.
FASTA headers and numbers at the beginning of each line will be removed.
The query should only contain DNA characters.
The minimum query length is 30 nucleotides. Support for short sequence queries is under development.
Tips for Success
Inspect the percent identity, query coverage, and alignment details to determine if a result match is satisfactory.
Visit the corresponding plasmid webpage to view additional details about a matching plasmid.
If no results are returned, try a different isoform or region of the desired sequence. There may not be a match in our database.
You can adjust the Max Results setting on the results page from 25 to 500. If many sequences share the same top E-value,
only a truncated set of equally high-scoring matches will be shown. Set the Max Results to 500 to see more matches.
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Functional studies using RNAi; rescue experiments; substituting protein for its different form. miRNA cassette with nuclear EGFP expression marker; your protein of interest with C-terminal mCherry.
Protein Barcode (Pro-Code) for vector/cell tracking. Contains U6 trRNA cassette for sgRNA cloning. Enables phenotypic CRISPR screens at a single cell resolution (using cytometry).
Protein Barcode (Pro-Code) for vector/cell tracking. Contains U6 trRNA cassette for sgRNA cloning. Enables phenotypic CRISPR screens at a single cell resolution (using cytometry).
Protein Barcode (Pro-Code) for vector/cell tracking. Contains U6 trRNA cassette for sgRNA cloning. Enables phenotypic CRISPR screens at a single cell resolution (using cytometry).
Functional studies using RNAi; rescue experiments; substituting protein for its different form. miRNA cassette with nuclear mCherry expression marker; your protein of interest with N-terminal EGFP.
Functional studies using RNAi; rescue experiments; substituting protein for its different form. miRNA cassette with nuclear mCherry expression marker; your protein of interest with N-terminal FLAG.
Expresses sgRNA cassette (BsmBI cloning site) and EF1-A driven eSpCas9 linked via P2A with mRuby2 and dominant negative mtp53 for enhanced survival of hES after DSB
Lentiviral vector for overexpressing transcription factor ORFs with unique 24-bp barcodes. Barcodes facilitate identification of transcription factors in pooled screens.
Plant expression vector for direct cloning of synthetic trans-acting siRNAs into Arabidopsis thaliana TAS1c precursor downstream 3'D1[+]. Contains AtMIR173 for syntasi expression in any plant species.
Expresses human codon-optimized inactive xCas9-NG fused to a transcriptional activator VPR in mammalian cells. For cloning of sgRNAs using BsmBI. Contains a barcode downstream of sgRNA cassette.
Targeting vector to introduce an Halotag cassette at the mouse Rad21 locus using NEOMYCINE selection. Designed for using with sgRNA CCACGGTTCCATATTATCTG
Protein Barcode (Pro-Code) for vector/cell tracking. Contains U6 trRNA cassette for sgRNA cloning. Enables phenotypic CRISPR screens at a single cell resolution (using cytometry).
Expresses firefly luciferase under the control of a strong ubiquitous promoter EF1a along with a WPRE cassette. Backbone is compatible with both baculoviral and human production methods of AAV.
Expresses human codon-optimized inactive xCas9-NG fused to a transcriptional repressor KRAB in mammalian cells. For cloning of sgRNAs using BsmBI. Contains a barcode downstream of sgRNA cassette.
Protein Barcode (Pro-Code) for vector/cell tracking. Contains U6 trRNA cassette for sgRNA cloning. Enables phenotypic CRISPR screens at a single cell resolution (using cytometry).
Protein Barcode (Pro-Code) for vector/cell tracking. Contains U6 trRNA cassette for sgRNA cloning. Enables phenotypic CRISPR screens at a single cell resolution (using cytometry).
Functional studies using RNAi; rescue experiments; substituting protein for its different form. miRNA cassette with nuclear EGFP expression marker; your protein of interest with C-terminal FLAG.
Protein Barcode (Pro-Code) for vector/cell tracking. Contains U6 trRNA cassette for sgRNA cloning. Enables phenotypic CRISPR screens at a single cell resolution (using cytometry).
Protein Barcode (Pro-Code) for vector/cell tracking. Contains U6 trRNA cassette for sgRNA cloning. Enables phenotypic CRISPR screens at a single cell resolution (using cytometry).