LOCUS       sequence-455005-        2944 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  Cloning backbone for CasRx crRNA (U6 promoter).
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 2944)
  AUTHORS   Cheng ECK, Lam JKC, Kwon SC
  TITLE     Cytosolic CRISPR RNAs for efficient application of RNA-targeting 
            CRISPR-Cas systems.
  JOURNAL   EMBO Rep. 2025 Feb 26. doi: 10.1038/s44319-025-00399-4.
  PUBMED    40011676
REFERENCE   2  (bases 1 to 2944)
  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: "EMBO Rep. 
            2025 Feb 26. doi: 10.1038/s44319-025-00399-4."
COMMENT     Sequence Label: pU6-CasRx-non-targeting (pEZ18)
FEATURES             Location/Qualifiers
     source          1..2944
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     primer_bind     complement(12..29)
                     /label=L4440
                     /note="L4440 vector, forward primer"
     rep_origin      complement(183..771)
                     /direction=LEFT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     complement(263..282)
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     CDS             complement(join(942..1733,1734..1802))
                     /codon_start=1
                     /gene="bla"
                     /product="beta-lactamase"
                     /label=AmpR
                     /note="confers resistance to ampicillin, carbenicillin, and
                     related antibiotics"
                     /translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGYI
                     ELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRIDAGQEQLGRRIHYSQNDLVEYS
                     PVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRW
                     EPELNEAIPNDERDTTMPVAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSA
                     LPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGAS
                     LIKHW"
     primer_bind     1565..1584
                     /label=Amp-R
                     /note="Ampicillin resistance gene, reverse primer"
     promoter        complement(1803..1907)
                     /gene="bla"
                     /label=AmpR promoter
     primer_bind     1975..1993
                     /label=pBRforEco
                     /note="pBR322 vectors, upsteam of EcoRI site, forward 
                     primer"
     primer_bind     complement(2031..2053)
                     /label=pGEX 3'
                     /note="pGEX vectors, reverse primer"
     primer_bind     2153..2172
                     /label=pRS-marker
                     /note="pRS vectors, use to sequence yeast selectable 
                     marker"
     primer_bind     2366..2388
                     /label=M13/pUC Forward
                     /note="In lacZ gene"
     primer_bind     2380..2397
                     /label=M13 Forward
                     /note="In lacZ gene. Also called M13-F20 or M13 (-21) 
                     Forward"
     primer_bind     2381..2397
                     /label=M13 fwd
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     promoter        2404..2652
                     /label=U6 promoter
                     /note="RNA polymerase III promoter for human U6 snRNA 
                     (Domitrovich & Kunkel, 2003)"
     primer_bind     2404..2424
                     /label=hU6-F
                     /note="Human U6 promoter, forward primer"
     primer_bind     2575..2594
                     /label=LKO.1 5'
                     /note="Human U6 promoter, forward primer"
     misc_RNA        2654..2683
                     /label=RfxCas13d DR30
                     /note="5' processed 30-base direct repeat for an RfxCas13d 
                     gRNA (Konermann et al., 2018)"
     primer_bind     complement(2725..2741)
                     /label=M13 rev
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     primer_bind     complement(2725..2741)
                     /label=M13 Reverse
                     /note="In lacZ gene. Also called M13-rev"
     primer_bind     complement(2738..2760)
                     /label=M13/pUC Reverse
                     /note="In lacZ gene"
     protein_bind    2749..2765
                     /label=lac operator
                     /bound_moiety="lac repressor encoded by lacI"
                     /note="The lac repressor binds to the lac operator to 
                     inhibit transcription in E. coli. This inhibition can be 
                     relieved by adding lactose or 
                     isopropyl-beta-D-thiogalactopyranoside (IPTG)."
     promoter        complement(join(2773..2779,2780..2797,2798..2803))
                     /label=lac promoter
                     /note="promoter for the E. coli lac operon"
     protein_bind    2818..2839
                     /label=CAP binding site
                     /bound_moiety="E. coli catabolite activator protein"
                     /note="CAP binding activates transcription in the presence 
                     of cAMP."
ORIGIN
        1 tcttccgctt cctcgctcac tgactcgctg cgctcggtcg ttcggctgcg gcgagcggta
       61 tcagctcact caaaggcggt aatacggtta tccacagaat caggggataa cgcaggaaag
      121 aacatgtgag caaaaggcca gcaaaaggcc aggaaccgta aaaaggccgc gttgctggcg
      181 tttttccata ggctccgccc ccctgacgag catcacaaaa atcgacgctc aagtcagagg
      241 tggcgaaacc cgacaggact ataaagatac caggcgtttc cccctggaag ctccctcgtg
      301 cgctctcctg ttccgaccct gccgcttacc ggatacctgt ccgcctttct cccttcggga
      361 agcgtggcgc tttctcatag ctcacgctgt aggtatctca gttcggtgta ggtcgttcgc
      421 tccaagctgg gctgtgtgca cgaacccccc gttcagcccg accgctgcgc cttatccggt
      481 aactatcgtc ttgagtccaa cccggtaaga cacgacttat cgccactggc agcagccact
      541 ggtaacagga ttagcagagc gaggtatgta ggcggtgcta cagagttctt gaagtggtgg
      601 cctaactacg gctacactag aagaacagta tttggtatct gcgctctgct gaagccagtt
      661 accttcggaa aaagagttgg tagctcttga tccggcaaac aaaccaccgc tggtagcggt
      721 ggtttttttg tttgcaagca gcagattacg cgcagaaaaa aaggatctca agaagatcct
      781 ttgatctttt ctacggggtc tgacgctcag tggaacgaaa actcacgtta agggattttg
      841 gtcatgagat tatcaaaaag gatcttcacc tagatccttt taaattaaaa atgaagtttt
      901 aaatcaatct aaagtatata tgagtaaact tggtctgaca gttaccaatg cttaatcagt
      961 gaggcaccta tctcagcgat ctgtctattt cgttcatcca tagttgcctg actccccgtc
     1021 gtgtagataa ctacgatacg ggagggctta ccatctggcc ccagtgctgc aatgataccg
     1081 cgagacccac gctcaccggc tccagattta tcagcaataa accagccagc cggaagggcc
     1141 gagcgcagaa gtggtcctgc aactttatcc gcctccatcc agtctattaa ttgttgccgg
     1201 gaagctagag taagtagttc gccagttaat agtttgcgca acgttgttgc cattgctaca
     1261 ggcatcgtgg tgtcacgctc gtcgtttggt atggcttcat tcagctccgg ttcccaacga
     1321 tcaaggcgag ttacatgatc ccccatgttg tgcaaaaaag cggttagctc cttcggtcct
     1381 ccgatcgttg tcagaagtaa gttggccgca gtgttatcac tcatggttat ggcagcactg
     1441 cataattctc ttactgtcat gccatccgta agatgctttt ctgtgactgg tgagtactca
     1501 accaagtcat tctgagaata gtgtatgcgg cgaccgagtt gctcttgccc ggcgtcaata
     1561 cgggataata ccgcgccaca tagcagaact ttaaaagtgc tcatcattgg aaaacgttct
     1621 tcggggcgaa aactctcaag gatcttaccg ctgttgagat ccagttcgat gtaacccact
     1681 cgtgcaccca actgatcttc agcatctttt actttcacca gcgtttctgg gtgagcaaaa
     1741 acaggaaggc aaaatgccgc aaaaaaggga ataagggcga cacggaaatg ttgaatactc
     1801 atactcttcc tttttcaata ttattgaagc atttatcagg gttattgtct catgagcgga
     1861 tacatatttg aatgtattta gaaaaataaa caaatagggg ttccgcgcac atttccccga
     1921 aaagtgccac ctgacgtcta agaaaccatt attatcatga cattaaccta taaaaatagg
     1981 cgtatcacga ggccctttcg tctcgcgcgt ttcggtgatg acggtgaaaa cctctgacac
     2041 atgcagctcc cggagacggt cacagcttgt ctgtaagcgg atgccgggag cagacaagcc
     2101 cgtcagggcg cgtcagcggg tgttggcggg tgtcggggct ggcttaacta tgcggcatca
     2161 gagcagattg tactgagagt gcaccatatg cggtgtgaaa taccgcacag atgcgtaagg
     2221 agaaaatacc gcatcaggcg ccattcgcca ttcaggctgc gcaactgttg ggaagggcga
     2281 tcggtgcggg cctcttcgct attacgccag ctggcgaaag ggggatgtgc tgcaaggcga
     2341 ttaagttggg taacgccagg gttttcccag tcacgacgtt gtaaaacgac ggccagtgaa
     2401 ttcgagggcc tatttcccat gattccttca tatttgcata tacgatacaa ggctgttaga
     2461 gagataattg gaattaattt gactgtaaac acaaagatat tagtacaaaa tacgtgacgt
     2521 agaaagtaat aatttcttgg gtagtttgca gttttaaaat tatgttttaa aatggactat
     2581 catatgctta ccgtaacttg aaagtatttc gatttcttgg ctttatatat cttgtggaaa
     2641 ggacgaaaca ccgaacccct accaactggt cggggtttga aacgggtctt cgagaagacc
     2701 ttttttaagc ttggcgtaat catggtcata gctgtttcct gtgtgaaatt gttatccgct
     2761 cacaattcca cacaacatac gagccggaag cataaagtgt aaagcctggg gtgcctaatg
     2821 agtgagctaa ctcacattaa ttgcgttgcg ctcactgccc gctttccagt cgggaaacct
     2881 gtcgtgccag ctgcattaat gaatcggcca acgcgcgggg agaggcggtt tgcgtattgg
     2941 gcgc
//
