LOCUS       sequence-133318-        4711 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  Express Cas1 and Cas2 for the CRISPR adaptation process in 
            Escherichia coli. Has streptomycin resistance..
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 4711)
  AUTHORS   Yosef I, Goren MG, Qimron U
  TITLE     Proteins and DNA elements essential for the CRISPR adaptation 
            process in Escherichia coli.
  JOURNAL   Nucleic Acids Res. 2012 Jul;40(12):5569-76. doi: 10.1093/nar/gks216.
            Epub 2012 Mar 8.
  PUBMED    22402487
REFERENCE   2  (bases 1 to 4711)
  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"; doi: 
            "10.1093/nar/gks216"; journalName: "Nucleic Acids Res"; date: 
            "2012-07"; volume: "40"; issue: "12"; pages: "5569-76"
COMMENT     Sequence Label: pCas1+2
FEATURES             Location/Qualifiers
     source          1..4711
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     primer_bind     1..20
                     /label=T7
                     /note="T7 promoter, forward primer"
     promoter        1..19
                     /label=T7 promoter
                     /note="promoter for bacteriophage T7 RNA polymerase"
     protein_bind    20..44
                     /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)."
     CDS             1313..1357
                     /codon_start=1
                     /product="affinity and epitope tag derived from pancreatic 
                     ribonuclease A"
                     /label=S-Tag
                     /translation="KETAAAKFERQHMDS"
     primer_bind     complement(1395..1413)
                     /label=T7 Term
                     /note="T7 terminator, reverse primer"
     terminator      1409..1456
                     /label=T7 terminator
                     /note="transcription terminator for bacteriophage T7 RNA 
                     polymerase"
     CDS             complement(1627..2418)
                     /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"
     promoter        complement(2419..2510)
                     /gene="bla"
                     /label=AmpR promoter
     rep_origin      complement(2558..3296)
                     /direction=LEFT
                     /label=CloDF13 ori
                     /note="Plasmids containing the CloDF13 (CDF) origin of 
                     replication can be propagated in E. coli cells that contain
                     additional plasmids with compatible origins."
     CDS             complement(3506..4588)
                     /codon_start=1
                     /gene="lacI"
                     /product="lac repressor"
                     /label=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)."
                     /translation="MKPVTLYDVAEYAGVSYQTVSRVVNQASHVSAKTREKVEAAMAEL
                     NYIPNRVAQQLAGKQSLLIGVATSSLALHAPSQIVAAIKSRADQLGASVVVSMVERSGV
                     EACKAAVHNLLAQRVSGLIINYPLDDQDAIAVEAACTNVPALFLDVSDQTPINSIIFSH
                     EDGTRLGVEHLVALGHQQIALLAGPLSSVSARLRLAGWHKYLTRNQIQPIAEREGDWSA
                     MSGFQQTMQMLNEGIVPTAMLVANDQMALGAMRAITESGLRVGADISVVGYDDTEDSSC
                     YIPPLTTIKQDFRLLGQTSVDRLLQLSQGQAVKGNQLLPVSLVKRKTTLAPNTQTASPR
                     ALADSLMQLARQVSRLESGQ"
     primer_bind     4550..4569
                     /label=LacI-R
                     /note="LacI, reverse primer"
     promoter        complement(4589..4666)
                     /gene="lacI"
                     /label=lacI promoter
ORIGIN
        1 taatacgact cactataggg gaattgtgag cggataacaa ttcccctgta gaaataattt
       61 tgtttaactt taataaggag atataccatg acctggcttc cccttaatcc cattccactc
      121 aaagatcgcg tctccatgat ctttctgcaa tatgggcaga tcgatgtaat agatggcgcg
      181 tttgtactta tcgacaagac agggatccgc actcatattc ctgttggctc ggttgcctgc
      241 atcatgctgg aacctggtac acgggtttcg catgcagctg tacgcctggc tgcgcaagtt
      301 ggaacattgt tggtatgggt gggggaagcg ggcgttcgtg tttatgcttc tggtcagcct
      361 ggaggtgcgc gttcagataa gctgctctat caggcaaaac ttgctctgga tgaagatttg
      421 cgtctgaagg tcgtacgtaa aatgtttgaa cttcggtttg gagaacctgc gcctgcccgg
      481 cgctccgtag agcaactcag aggtatagaa ggcagtcgcg tgcgggcaac ctacgcactt
      541 ctggcgaagc aatacggcgt gacatggaat ggacgtcgct acgatccgaa agactgggaa
      601 aagggcgata cgatcaacca atgcattagc gctgcaactt cctgtttata cggcgtaact
      661 gaagcggcga tacttgcagc tggttatgca ccagctattg ggtttgtgca tacaggaaag
      721 cctctttcct ttgtttacga tattgcagac atcattaaat ttgacactgt tgtaccgaaa
      781 gcttttgaga tagcgcgtcg taaccctggt gagccggacc gggaagtccg tttggcgtgc
      841 agggatattt ttcgcagtag taaaacatta gccaaattga ttccgcttat agaggacgtg
      901 cttgccgctg gagaaataca accgccggcc ccacctgaag atgcacagcc tgttgccatt
      961 ccgcttcctg tttcactggg agatgcaggc catcggagta gctgaaatga gtatgttggt
     1021 cgtggtcact gaaaatgtac ctccgcgctt acgaggcaga ttagccatct ggttgttgga
     1081 ggtacgtgca ggggtatatg taggtgatgt atccgcaaaa attcgtgaaa tgatctggga
     1141 acaaatagct ggactggcgg aagaaggcaa tgtagtgatg gcatgggcaa cgaatacgga
     1201 aacgggattt gagttccaga catttgggtt aaacaggcgt accccggtag atttggatgg
     1261 tttaaggttg gtgtcttttt tacctgtttg agcggccgca ctcgagtctg gtaaagaaac
     1321 cgctgctgcg aaatttgaac gccagcacat ggactcgtct actagcgcag cttaattaac
     1381 ctaggctgct gccaccgctg agcaataact agcataaccc cttggggcct ctaaacgggt
     1441 cttgaggggt tttttgctga aacctcaggc atttgagaag cacacggtca cactgcttcc
     1501 ggtagtcaat aaaccggtaa accagcaata gacataagcg gctatttaac gaccctgccc
     1561 tgaaccgacg accgggtcat cgtggccgga tcttgcggcc cctcggcttg aacgaattgt
     1621 tagacattat ttgccgacta ccttggtgat ctcgcctttc acgtagtgga caaattcttc
     1681 caactgatct gcgcgcgagg ccaagcgatc ttcttcttgt ccaagataag cctgtctagc
     1741 ttcaagtatg acgggctgat actgggccgg caggcgctcc attgcccagt cggcagcgac
     1801 atccttcggc gcgattttgc cggttactgc gctgtaccaa atgcgggaca acgtaagcac
     1861 tacatttcgc tcatcgccag cccagtcggg cggcgagttc catagcgtta aggtttcatt
     1921 tagcgcctca aatagatcct gttcaggaac cggatcaaag agttcctccg ccgctggacc
     1981 taccaaggca acgctatgtt ctcttgcttt tgtcagcaag atagccagat caatgtcgat
     2041 cgtggctggc tcgaagatac ctgcaagaat gtcattgcgc tgccattctc caaattgcag
     2101 ttcgcgctta gctggataac gccacggaat gatgtcgtcg tgcacaacaa tggtgacttc
     2161 tacagcgcgg agaatctcgc tctctccagg ggaagccgaa gtttccaaaa ggtcgttgat
     2221 caaagctcgc cgcgttgttt catcaagcct tacggtcacc gtaaccagca aatcaatatc
     2281 actgtgtggc ttcaggccgc catccactgc ggagccgtac aaatgtacgg ccagcaacgt
     2341 cggttcgaga tggcgctcga tgacgccaac tacctctgat agttgagtcg atacttcggc
     2401 gatcaccgct tccctcatac tcttcctttt tcaatattat tgaagcattt atcagggtta
     2461 ttgtctcatg agcggataca tatttgaatg tatttagaaa aataaacaaa tagctagctc
     2521 actcggtcgc tacgctccgg gcgtgagact gcggcgggcg ctgcggacac atacaaagtt
     2581 acccacagat tccgtggata agcaggggac taacatgtga ggcaaaacag cagggccgcg
     2641 ccggtggcgt ttttccatag gctccgccct cctgccagag ttcacataaa cagacgcttt
     2701 tccggtgcat ctgtgggagc cgtgaggctc aaccatgaat ctgacagtac gggcgaaacc
     2761 cgacaggact taaagatccc caccgtttcc ggcgggtcgc tccctcttgc gctctcctgt
     2821 tccgaccctg ccgtttaccg gatacctgtt ccgcctttct cccttacggg aagtgtggcg
     2881 ctttctcata gctcacacac tggtatctcg gctcggtgta ggtcgttcgc tccaagctgg
     2941 gctgtaagca agaactcccc gttcagcccg actgctgcgc cttatccggt aactgttcac
     3001 ttgagtccaa cccggaaaag cacggtaaaa cgccactggc agcagccatt ggtaactggg
     3061 agttcgcaga ggatttgttt agctaaacac gcggttgctc ttgaagtgtg cgccaaagtc
     3121 cggctacact ggaaggacag atttggttgc tgtgctctgc gaaagccagt taccacggtt
     3181 aagcagttcc ccaactgact taaccttcga tcaaaccacc tccccaggtg gttttttcgt
     3241 ttacagggca aaagattacg cgcagaaaaa aaggatctca agaagatcct ttgatctttt
     3301 ctactgaacc gctctagatt tcagtgcaat ttatctcttc aaatgtagca cctgaagtca
     3361 gccccatacg atataagttg taattctcat gttagtcatg ccccgcgccc accggaagga
     3421 gctgactggg ttgaaggctc tcaagggcat cggtcgagat cccggtgcct aatgagtgag
     3481 ctaacttaca ttaattgcgt tgcgctcact gcccgctttc cagtcgggaa acctgtcgtg
     3541 ccagctgcat taatgaatcg gccaacgcgc ggggagaggc ggtttgcgta ttgggcgcca
     3601 gggtggtttt tcttttcacc agtgagacgg gcaacagctg attgcccttc accgcctggc
     3661 cctgagagag ttgcagcaag cggtccacgc tggtttgccc cagcaggcga aaatcctgtt
     3721 tgatggtggt taacggcggg atataacatg agctgtcttc ggtatcgtcg tatcccacta
     3781 ccgagatgtc cgcaccaacg cgcagcccgg actcggtaat ggcgcgcatt gcgcccagcg
     3841 ccatctgatc gttggcaacc agcatcgcag tgggaacgat gccctcattc agcatttgca
     3901 tggtttgttg aaaaccggac atggcactcc agtcgccttc ccgttccgct atcggctgaa
     3961 tttgattgcg agtgagatat ttatgccagc cagccagacg cagacgcgcc gagacagaac
     4021 ttaatgggcc cgctaacagc gcgatttgct ggtgacccaa tgcgaccaga tgctccacgc
     4081 ccagtcgcgt accgtcttca tgggagaaaa taatactgtt gatgggtgtc tggtcagaga
     4141 catcaagaaa taacgccgga acattagtgc aggcagcttc cacagcaatg gcatcctggt
     4201 catccagcgg atagttaatg atcagcccac tgacgcgttg cgcgagaaga ttgtgcaccg
     4261 ccgctttaca ggcttcgacg ccgcttcgtt ctaccatcga caccaccacg ctggcaccca
     4321 gttgatcggc gcgagattta atcgccgcga caatttgcga cggcgcgtgc agggccagac
     4381 tggaggtggc aacgccaatc agcaacgact gtttgcccgc cagttgttgt gccacgcggt
     4441 tgggaatgta attcagctcc gccatcgccg cttccacttt ttcccgcgtt ttcgcagaaa
     4501 cgtggctggc ctggttcacc acgcgggaaa cggtctgata agagacaccg gcatactctg
     4561 cgacatcgta taacgttact ggtttcacat tcaccaccct gaattgactc tcttccgggc
     4621 gctatcatgc cataccgcga aaggttttgc gccattcgat ggtgtccggg atctcgacgc
     4681 tctcccttat gcgactcctg cattaggaaa t
//
