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PCR primers for off-targets of ATGGCGTCCGCGCCGGATGC GGG

In the table below, Illumina Nextera Handle sequences have been added and highlighted in bold. Primers for the on-target have been added for convenience. The table below is sorted by the CFD off-target score. Sites with very low CFD scores < 0.02 are unlikely to be cleaved, see our study Haeussler et al. 2016, Figure 2.

In the protocol by Matthew Canver, Harvard, two PCRs are run: one PCR to amplify the potential off-target, then a second PCR to extend the handles with Illumina barcodes. Please click here to download the protocol. Alternatively, you can have a look at Fu et al, 2014.

If a primer was not found, the reason is usually that the region around the off-target is too repetitive. To avoid unspecific primers, all repeats are masked for the primer design (not for off-target search). If you think that we should change the parameters here or should use different primer3 settings, please let us know.

Maximum amplicon length:     Primer Tm:

NamePrimer Sequence Tm CFD Score
mm0_exon_Pop5_chr5_115238028_F TCGTCGGCAGCGTCGAGCGTGGAGATTGACAGGG 60.4 1.00
mm0_exon_Pop5_chr5_115238028_R GTCTCGTGGGCTCGGTTACCTGTGCTTGAACCGCA 60.1 1.00
mm4_exon_Trappc10_chr10_78200699_F TCGTCGGCAGCGTCCTTCCTGTGGAGCTCTGGTG 60.0 0.20
mm4_exon_Trappc10_chr10_78200699_R GTCTCGTGGGCTCGGAAGCATCGGTCTTCCCACTG 60.0 0.20
mm4_exon_Cdc34-ps_chr11_94742557_F TCGTCGGCAGCGTCCCGAGTACTGCGTGAAGACC 60.4 0.18
mm4_exon_Cdc34-ps_chr11_94742557_R GTCTCGTGGGCTCGGGACTCTTCGGGCCAAAGTCA 59.9 0.18
mm4_exon_Tada1_chr1_166379303_F Primer3: not found at this Tm N.d. 0.15
mm4_exon_Tada1_chr1_166379303_R Primer3: not found at this Tm N.d. 0.15
mm4_exon_BC042782_chr4_95075771_F Primer3: not found at this Tm N.d. 0.07
mm4_exon_BC042782_chr4_95075771_R Primer3: not found at this Tm N.d. 0.07
mm3_intergenic_Aldh1l2|A230046K03Rik_chr10_83543844_F TCGTCGGCAGCGTCGCCCTGAGAACAGTCGTGAA 59.9 0.06
mm3_intergenic_Aldh1l2|A230046K03Rik_chr10_83543844_R GTCTCGTGGGCTCGGCTGGGAAAGCGAGTCGACC 60.4 0.06
mm3_intergenic_Tmem132c|Slc15a4_chr5_127578328_F TCGTCGGCAGCGTCCACCTCCAAAAGCCCTTTGC 59.9 0.05
mm3_intergenic_Tmem132c|Slc15a4_chr5_127578328_R GTCTCGTGGGCTCGGGTGGGCCAGGAGCTGATAAT 59.5 0.05
mm4_intron_Zfp429_chr13_67396367_F TCGTCGGCAGCGTCCCTGATTCTGAGTTTCTTTAGAGGG 58.8 0.02
mm4_intron_Zfp429_chr13_67396367_R GTCTCGTGGGCTCGGAGCATGCCTCCTTTGCTCTT 59.9 0.02
mm4_exon_Pole4_chr6_82652816_F TCGTCGGCAGCGTCCTCTTCCTCTCTGGGCGTCC 61.6 0.01
mm4_exon_Pole4_chr6_82652816_R GTCTCGTGGGCTCGGAGAGGCGTGGTCTCTACCC 60.3 0.01
mm4_exon_Ccnl1_chr3_65957618_F Primer3: not found at this Tm N.d. 0.00
mm4_exon_Ccnl1_chr3_65957618_R Primer3: not found at this Tm N.d. 0.00

Off-target amplicon sequences with primers

These only list off-targets that have primers in the table above. Primers underlined, off-targets in bold.

mm0_exon_Pop5_chr5_115238028 GAGCGTGGAGATTGACAGGGCACGCTGCCTGTCCGAGCCTAGTGCCGCCTTCCTCCCGCATCCGGCGCGGACGCCATGGT
GCGGTTCAAGCACAGGTAA
mm4_exon_Trappc10_chr10_78200699 CTTCCTGTGGAGCTCTGGTGTCCCCGGAACACTGGTGTCCCCGCCAGATGCTGGAGCTGAAGGTAAAGACAGAACCTCCA
GCTCAAACTCGATCACGTGGTACGCAGGTGCAGTGGGAAGACCGATGCTT
mm4_exon_Cdc34-ps_chr11_94742557 CCGAGTACTGCGTGAAGACCAAGGCGCCGGCGCCGGATGAGGGCTCGGACCTCTTCGACTACTACGTGGACGGCGAAGTG
GAGGAGGCCGACAGCTGCTTTGGGGATGAAGAGGATGACTTTGGCCCGAAGAGTC
mm3_intergenic_Aldh1l2|A230046K03Rik_chr10_83543844 GCCCTGAGAACAGTCGTGAACGGCAGCGAGACCAGGAAAGGATGCAGGATGCCAACGGCAGCCATCACTATGGCGGCCGC
GCCGGGAGCAGG
CGGTCGACTCGCTTTCCCAG
mm3_intergenic_Tmem132c|Slc15a4_chr5_127578328 CACCTCCAAAAGCCCTTTGCTTCTCCTTCAAAAGATCTCCTGCAGCCGGGGCCGACGCCATTAGGGTGAATTATCAGCTC
CTGGCCCAC
mm4_intron_Zfp429_chr13_67396367 CCTGATTCTGAGTTTCTTTAGAGGGAAAACATGAAACTGAATAGAGAAACAATTTCATTAACAAATGTGGTCCACGCCTG
ATGCCGG
TGCATTTCTAACAGTCCCACAAGAGCAAAGGAGGCATGCT
mm4_exon_Pole4_chr6_82652816 CTCTTCCTCTCTGGGCGTCCCGCTCCCAGCAGCCGCCGCTGCCGCCATCCCCTCCCGAAACGTGTGGCGCGCGGTCGCTG
ACTGAGCGCGCGCACGCGATTTCGGCCCCTTTCCCGCGCCGGGTAGAGACCACGCCTCT

Input file for Crispresso

Crispresso, written by Luca Pinello, is a software package to quantify the Cas9-induced mutations on off- or on-targets.

Click here to download an amplicon input file for Crispresso. For each off-target, it includes the off-target name, its PCR amplicon and the guide sequence. Keep a copy of this file.

After sequencing, run CRISPRessoPooled. The tool will map the reads to the amplicons and analyse the mutations:
CRISPRessoPooled -r1 Reads1.fastq.gz -r2 Reads2.fastq.gz -f crisporAmplicons_ozJbN0W08qlgEBn3RvZK.txt --name MY_EXPERIMENT

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