LOCUS       sequence-419894-        4642 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  backbone for gRNA cloning of dpspCas13b tagged by 1xMS2.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 4642)
  AUTHORS   Liu Z, Jillette N, Robson P, Cheng AW
  TITLE     Simultaneous multifunctional transcriptome engineering by CRISPR RNA
            scaffold.
  JOURNAL   Nucleic Acids Res. 2023 Aug 11;51(14):e77. doi: 10.1093/nar/gkad547.
  PUBMED    37395412
REFERENCE   2  (bases 1 to 4642)
  AUTHORS   .
  TITLE     Direct Submission
  JOURNAL   Exported Dec 15, 2025 from SnapGene Server 8.0.1
            https://www.snapgene.com
COMMENT     SGRef: number: 1; type: "Journal Article"; journalName: "Nucleic 
            Acids Res."; date: "2023-08-11"; volume: "51(14):e77. doi"; pages: "
            10.1093/nar/gkad547"
COMMENT     Sequence Label: pCR8-PspCas13b_gRNA[ccdbCam]_1xMS2b
FEATURES             Location/Qualifiers
     source          1..4642
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     primer_bind     92..109
                     /label=L4440
                     /note="L4440 vector, forward primer"
     terminator      complement(268..295)
                     /label=rrnB T2 terminator
                     /note="transcription terminator T2 from the E. coli rrnB 
                     gene"
     terminator      complement(387..473)
                     /gene="Escherichia coli rrnB"
                     /label=rrnB T1 terminator
                     /note="transcription terminator T1 from the E. coli rrnB 
                     gene"
     primer_bind     522..544
                     /label=M13/pUC Forward
                     /note="In lacZ gene"
     primer_bind     536..553
                     /label=M13 Forward
                     /note="In lacZ gene. Also called M13-F20 or M13 (-21) 
                     Forward"
     primer_bind     537..553
                     /label=M13 fwd
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     protein_bind    569..668
                     /gene="mutant version of attL"
                     /label=attL1
                     /bound_moiety="LR Clonase(TM)"
                     /note="recombination site for the Gateway(R) LR reaction"
     promoter        683..931
                     /label=U6 promoter
                     /note="RNA polymerase III promoter for human U6 snRNA 
                     (Domitrovich & Kunkel, 2003)"
     primer_bind     683..703
                     /label=hU6-F
                     /note="Human U6 promoter, forward primer"
     primer_bind     854..873
                     /label=LKO.1 5'
                     /note="Human U6 promoter, forward primer"
     CDS             complement(980..1285)
                     /codon_start=1
                     /gene="ccdB"
                     /product="CcdB, a bacterial toxin that poisons DNA gyrase"
                     /label=ccdB
                     /note="Plasmids containing the ccdB gene cannot be 
                     propagated in standard E. coli strains."
                     /translation="MQFKVYTYKRESRYRLFVDVQSDIIDTPGRRMVIPLASARLLSDK
                     VSRELYPVVHIGDESWRMMTTDMASVPVSVIGEEVADLSHRENDIKNAINLMFWGI"
     primer_bind     complement(1082..1101)
                     /label=ccdB-fwd
                     /note="ccdB gene, forward primer"
     CDS             complement(1627..2286)
                     /codon_start=1
                     /gene="cat"
                     /product="chloramphenicol acetyltransferase"
                     /label=CmR
                     /note="confers resistance to chloramphenicol"
                     /translation="MEKKITGYTTVDISQWHRKEHFEAFQSVAQCTYNQTVQLDITAFL
                     KTVKKNKHKFYPAFIHILARLMNAHPEFRMAMKDGELVIWDSVHPCYTVFHEQTETFSS
                     LWSEYHDDFRQFLHIYSQDVACYGENLAYFPKGFIENMFFVSANPWVSFTSFDLNVANM
                     NNFFAPVFTMGKYYTQGDKVLMPLAIQVHHAVCDGFHVGRMLNELQQYCDEWQGGA"
     primer_bind     2201..2220
                     /label=CAT-R
                     /note="Chloramphenicol resistance gene, reverse primer"
     promoter        complement(join(2340..2346,2347..2364,2365..2370))
                     /label=lac UV5 promoter
                     /note="E. coli lac promoter with an ""up"" mutation"
     protein_bind    complement(2521..2620)
                     /gene="mutant version of attL"
                     /label=attL2
                     /bound_moiety="LR Clonase(TM)"
                     /note="recombination site for the Gateway(R) LR reaction"
     primer_bind     complement(2637..2656)
                     /label=T7
                     /note="T7 promoter, forward primer"
     promoter        complement(2638..2656)
                     /label=T7 promoter
                     /note="promoter for bacteriophage T7 RNA polymerase"
     primer_bind     complement(2661..2677)
                     /label=M13 rev
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     primer_bind     complement(2661..2677)
                     /label=M13 Reverse
                     /note="In lacZ gene. Also called M13-rev"
     CDS             3108..3899
                     /codon_start=1
                     /gene="aadA"
                     /product="aminoglycoside adenylyltransferase (Murphy, 
                     1985)"
                     /label=SmR
                     /note="confers resistance to spectinomycin and 
                     streptomycin"
                     /translation="MREAVIAEVSTQLSEVVGVIERHLEPTLLAVHLYGSAVDGGLKPH
                     SDIDLLVTVTVRLDETTRRALINDLLETSASPGESEILRAVEVTIVVHDDIIPWRYPAK
                     RELQFGEWQRNDILAGIFEPATIDIDLAILLTKAREHSVALVGPAAEELFDPVPEQDLF
                     EALNETLTLWNSPPDWAGDERNVVLTLSRIWYSAVTGKIAPKDVAADWAMERLPAQYQP
                     VILEARQAYLGQEEDRLASRADQLEEFVHYVKGEITKVVGK"
     rep_origin      3992..4580
                     /direction=RIGHT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     4481..4500
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
ORIGIN
        1 ctttcctgcg ttatcccctg attctgtgga taaccgtatt accgcctttg agtgagctga
       61 taccgctcgc cgcagccgaa cgaccgagcg cagcgagtca gtgagcgagg aagcggaaga
      121 gcgcccaata cgcaaaccgc ctctccccgc gcgttggccg attcattaat gcagctggca
      181 cgacaggttt cccgactgga aagcgggcag tgagcgcaac gcaattaata cgcgtaccgc
      241 tagccaggaa gagtttgtag aaacgcaaaa aggccatccg tcaggatggc cttctgctta
      301 gtttgatgcc tggcagttta tggcgggcgt cctgcccgcc accctccggg ccgttgcttc
      361 acaacgatca aatccgctcc cggcggattt gtcctactca ggagagcgtt caccgacaaa
      421 caacagataa aacgaaaggc ccagtattcc gactgagcct ttcgttttat ttgatgcctg
      481 gcagttccct actctcgcgt taacgctagc atggatgttt tcccagtcac gacgttgtaa
      541 aacgacggcc agtcttaagc tcgggcccca aataatgatt ttattttgac tgatagtgac
      601 ctgttcgttg caacaaattg atgagcaatg cttttttata atgccaactt tgtacaaaaa
      661 agcaggctcc gaattcaccg gtgagggcct atttcccatg attccttcat atttgcatat
      721 acgatacaag gctgttagag agataattgg aattaatttg actgtaaaca caaagatatt
      781 agtacaaaat acgtgacgta gaaagtaata atttcttggg tagtttgcag ttttaaaatt
      841 atgttttaaa atggactatc atatgcttac cgtaacttga aagtatttcg atttcttggc
      901 tttatatatc ttgtggaaag gacgaaacac cgggtcttcg tcgacctgca gactggctgt
      961 gtataaggga gcctgacatt tatattcccc agaacatcag gttaatggcg tttttgatgt
     1021 cattttcgcg gtggctgaga tcagccactt cttccccgat aacggacacc ggcacactgg
     1081 ccatatcggt ggtcatcatg cgccagcttt catccccgat atgcaccacc gggtaaagtt
     1141 cacgggagac tttatctgac agcagacgtg cactggccag ggggatcacc atccgtcgcc
     1201 cgggcgtgtc aataatatca ctctgtacat ccacaaacag acgataacgg ctctctcttt
     1261 tataggtgta aaccttaaac tgcatttcac cagcccctgt tctcgtcagc aaaagagccg
     1321 ttcatttcaa taaaccgggc gacctcagcc atcccttcct gattttccgc tttccagcgt
     1381 tcggcacgca gacgacgggc ttcattctgc atggttgtgc ttaccagacc ggagatattg
     1441 acatcatata tgccttgagc aactgatagc tgtcgctgtc aactgtcact gtaatacgct
     1501 gcttcatagc atacctcttt tttacatact tcgggtatac atatcagtat atattcttat
     1561 accgcaaaaa tcagcgcgca aatacgcata ctgttatctg gcttttagta agccggatcc
     1621 agatctttac gccccgccct gccactcatc gcagtactgt tgtaattcat taagcattct
     1681 gccgacatgg aagccatcac aaacggcatg atgaacctga atcgccagcg gcatcagcac
     1741 cttgtcgcct tgcgtataat atttgcccat ggtgaaaacg ggggcgaaga agttgttcat
     1801 attggccacg tttaaatcaa aactggtgaa actcacccag ggattggctg agacgaaaaa
     1861 catattctca ataaaccctt tagggaaata ggccaggttt tcaccgtaac acgccacatc
     1921 ttgcgaatat atgtgtagaa actgccggaa atcgtcgtgg tattcactcc agagcgatga
     1981 aaacgtttca gtttgctcat ggaaaacggt gtaacaaggg tgaacactat cccatatcac
     2041 cagctcaccg tctttcattg ccatacggaa ttccggatga gcattcatca ggcgggcaag
     2101 aatgtgaata aaggccggat aaaacttgtg cttatttttc tttacggtct ttaaaaaggc
     2161 cgtaatatcc agctgaacgg tctggttata ggtacattga gcaactgact gaaatgcctc
     2221 aaaatgttct ttacgatgcc attgggatat atcaacggtg gtatatccag tgattttttt
     2281 ctccatttta gcttccttag ctcctgaaaa tctcgacgga tcctaactca aaatccacac
     2341 attatacgag ccggaagcat aaagtgtaaa gcctggggtg cctaatgcgg ccgcgaagac
     2401 ctgttgtgga aggtccagtt ttgaggggct attacaacca attgggtctc cagatgcgta
     2461 caccatcagg gtacgcagat ctcgtattcg tttttttggc gcgccttaat taagaattcg
     2521 acccagcttt cttgtacaaa gttggcatta taaaaaataa ttgctcatca atttgttgca
     2581 acgaacaggt cactatcagt caaaataaaa tcattatttg ccatccagct gatatcccct
     2641 atagtgagtc gtattacatg gtcatagctg tttcctggca gctctggccc gtgtctcaaa
     2701 atctctgatg ttacattgca caagataaaa atatatcatc atgcctcctc tagaccagcc
     2761 aggacagaaa tgcctcgact tcgctgctac ccaaggttgc cgggtgacgc acaccgtgga
     2821 aacggatgaa ggcacgaacc cagtggacat aagcctgttc ggttcgtaag ctgtaatgca
     2881 agtagcgtat gcgctcacgc aactggtcca gaaccttgac cgaacgcagc ggtggtaacg
     2941 gcgcagtggc ggttttcatg gcttgttatg actgtttttt tggggtacag tctatgcctc
     3001 gggcatccaa gcagcaagcg cgttacgccg tgggtcgatg tttgatgtta tggagcagca
     3061 acgatgttac gcagcagggc agtcgcccta aaacaaagtt aaacattatg agggaagcgg
     3121 tgatcgccga agtatcgact caactatcag aggtagttgg cgtcatcgag cgccatctcg
     3181 aaccgacgtt gctggccgta catttgtacg gctccgcagt ggatggcggc ctgaagccac
     3241 acagtgatat tgatttgctg gttacggtga ccgtaaggct tgatgaaaca acgcggcgag
     3301 ctttgatcaa cgaccttttg gaaacttcgg cttcccctgg agagagcgag attctccgcg
     3361 ctgtagaagt caccattgtt gtgcacgacg acatcattcc gtggcgttat ccagctaagc
     3421 gcgaactgca atttggagaa tggcagcgca atgacattct tgcaggtatc ttcgagccag
     3481 ccacgatcga cattgatctg gctatcttgc tgacaaaagc aagagaacat agcgttgcct
     3541 tggtaggtcc agcggcggag gaactctttg atccggttcc tgaacaggat ctatttgagg
     3601 cgctaaatga aaccttaacg ctatggaact cgccgcccga ctgggctggc gatgagcgaa
     3661 atgtagtgct tacgttgtcc cgcatttggt acagcgcagt aaccggcaaa atcgcgccga
     3721 aggatgtcgc tgccgactgg gcaatggagc gcctgccggc ccagtatcag cccgtcatac
     3781 ttgaagctag acaggcttat cttggacaag aagaagatcg cttggcctcg cgcgcagatc
     3841 agttggaaga atttgtccac tacgtgaaag gcgagatcac caaggtagtc ggcaaataac
     3901 cctcgagcca cccatgacca aaatccctta acgtgagtta cgcgtcgttc cactgagcgt
     3961 cagaccccgt agaaaagatc aaaggatctt cttgagatcc tttttttctg cgcgtaatct
     4021 gctgcttgca aacaaaaaaa ccaccgctac cagcggtggt ttgtttgccg gatcaagagc
     4081 taccaactct ttttccgaag gtaactggct tcagcagagc gcagatacca aatactgttc
     4141 ttctagtgta gccgtagtta ggccaccact tcaagaactc tgtagcaccg cctacatacc
     4201 tcgctctgct aatcctgtta ccagtggctg ctgccagtgg cgataagtcg tgtcttaccg
     4261 ggttggactc aagacgatag ttaccggata aggcgcagcg gtcgggctga acggggggtt
     4321 cgtgcacaca gcccagcttg gagcgaacga cctacaccga actgagatac ctacagcgtg
     4381 agctatgaga aagcgccacg cttcccgaag ggagaaaggc ggacaggtat ccggtaagcg
     4441 gcagggtcgg aacaggagag cgcacgaggg agcttccagg gggaaacgcc tggtatcttt
     4501 atagtcctgt cgggtttcgc cacctctgac ttgagcgtcg atttttgtga tgctcgtcag
     4561 gggggcggag cctatggaaa aacgccagca acgcggcctt tttacggttc ctggcctttt
     4621 gctggccttt tgctcacatg tt
//
