LOCUS       sequence-214920-        6921 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  Protein expression and purification of CBX3_Chromo-shadow.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 6921)
  AUTHORS   Teyra J, Kelil A, Jain S, Helmy M, Jajodia R, Hooda Y, Gu J, D'Cruz 
            AA, Nicholson SE, Min J, Sudol M, Kim PM, Bader GD, Sidhu SS
  TITLE     Large-scale survey and database of high affinity ligands for peptide
            recognition modules.
  JOURNAL   Mol Syst Biol. 2020 Dec;16(12):e9310. doi: 10.15252/msb.20199310.
  PUBMED    33438817
REFERENCE   2  (bases 1 to 6921)
  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: "Mol Syst 
            Biol."; date: "2020-12"; volume: "16(12):e9310. doi"; pages: " 
            10.15252/msb.20199310"
COMMENT     Sequence Label: pHH0103_CBX3_Chromo-shadow
FEATURES             Location/Qualifiers
     source          1..6921
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     promoter        join(1..6,7..22,23..29)
                     /label=tac promoter
                     /note="strong E. coli promoter; hybrid between the trp and 
                     lac UV5 promoters"
     protein_bind    37..53
                     /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)."
     primer_bind     42..64
                     /label=M13/pUC Reverse
                     /note="In lacZ gene"
     CDS             138..155
                     /codon_start=1
                     /product="6xHis affinity tag"
                     /label=6xHis
                     /translation="HHHHHH"
     CDS             171..824
                     /codon_start=1
                     /product="glutathione S-transferase from Schistosoma 
                     japonicum"
                     /label=GST
                     /translation="MSPILGYWKIKGLVQPTRLLLEYLEEKYEEHLYERDEGDKWRNKK
                     FELGLEFPNLPYYIDGDVKLTQSMAIIRYIADKHNMLGGCPKERAEISMLEGAVLDIRY
                     GVSRIAYSKDFETLKVDFLSKLPEMLKMFEDRLCHKTYLNGDHVTHPDFMLYDALDVVL
                     YMDPMCLDAFPKLVCFKKRIEAIPQIDKYLKSSKYIAWPLQGWQATFGGGDHPPK"
     primer_bind     782..804
                     /label=pGEX 5'
                     /note="pGEX vectors, Glutathione-S-transferase, forward 
                     primer"
     CDS             831..854
                     /codon_start=1
                     /product="recognition and cleavage site for human 
                     rhinovirus 3C and PreScission proteases"
                     /label=HRV 3C site
                     /translation="LEVLFQGP"
     CDS             867..884
                     /codon_start=1
                     /product="thrombin recognition and cleavage site"
                     /label=thrombin site
                     /translation="LVPRGS"
     terminator      1116..1163
                     /label=fd terminator
                     /note="central terminator from bacteriophage fd (Otsuka and
                     Kunisawa, 1982)"
     rep_origin      complement(2756..3211)
                     /direction=LEFT
                     /label=f1 ori
                     /note="f1 bacteriophage origin of replication; arrow 
                     indicates direction of (+) strand synthesis"
     primer_bind     complement(2893..2914)
                     /label=F1ori-F
                     /note="F1 origin, forward primer"
     primer_bind     3105..3124
                     /label=F1ori-R
                     /note="F1 origin, reverse primer"
     primer_bind     complement(3253..3275)
                     /label=pGEX 3'
                     /note="pGEX vectors, reverse primer"
     misc_feature    3361..3501
                     /label=bom
                     /note="basis of mobility region from pBR322"
     primer_bind     3416..3435
                     /label=pRS-marker
                     /note="pRS vectors, use to sequence yeast selectable 
                     marker"
     primer_bind     complement(3516..3533)
                     /label=L4440
                     /note="L4440 vector, forward primer"
     rep_origin      complement(3687..4274)
                     /direction=LEFT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     CDS             complement(join(4445..5236,5237..5305))
                     /codon_start=1
                     /gene="bla"
                     /product="beta-lactamase"
                     /label=AmpR
                     /note="confers resistance to ampicillin, carbenicillin, and
                     related antibiotics"
                     /translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGYI
                     ELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRVDAGQEQLGRRIHYSQNDLVEYS
                     PVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRW
                     EPELNEAIPNDERDTTMPAAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSA
                     LPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGAS
                     LIKHW"
     primer_bind     5068..5087
                     /label=Amp-R
                     /note="Ampicillin resistance gene, reverse primer"
     promoter        complement(5306..5410)
                     /gene="bla"
                     /label=AmpR promoter
     primer_bind     5478..5496
                     /label=pBRforEco
                     /note="pBR322 vectors, upsteam of EcoRI site, forward 
                     primer"
     promoter        5519..5596
                     /gene="lacI (mutant)"
                     /label=lacIq promoter
                     /note="In the lacIq allele, a single base change in the 
                     promoter boosts expression of the lacI gene about 10-fold."
     CDS             5597..6679
                     /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     complement(5616..5635)
                     /label=LacI-R
                     /note="LacI, reverse primer"
ORIGIN
        1 ttgacaatta atcatcggct cgtataatgt gtggaattgt gagcggataa caatttcaca
       61 caggaaacag ccagtccgtt taggtgtttt cacgagcact tcaccaacaa ggaccataga
      121 ttatgaaaat cgaagaacac catcaccatc accattccag cggtaagctt atgtccccta
      181 tactaggtta ttggaaaatt aagggccttg tgcaacccac tcgacttctt ttggaatatc
      241 ttgaagaaaa atatgaagag catttgtatg agcgcgatga aggtgataaa tggcgaaaca
      301 aaaagtttga attgggtttg gagtttccca atcttcctta ttatattgat ggtgatgtta
      361 aattaacaca gtctatggcc atcatacgtt atatagctga caagcacaac atgttgggtg
      421 gttgtccaaa agagcgtgca gagatttcaa tgcttgaagg agcggttttg gatattagat
      481 acggtgtttc gagaattgca tatagtaaag actttgaaac tctcaaagtt gattttctta
      541 gcaagctacc tgaaatgctg aaaatgttcg aagatcgttt atgtcataaa acatatttaa
      601 atggtgatca tgtaacccat cctgacttca tgttgtatga cgctcttgat gttgttttat
      661 acatggaccc aatgtgcctg gatgcgttcc caaaattagt ttgttttaaa aaacgtattg
      721 aagctatccc acaaattgat aagtacttga aatccagcaa gtatatagca tggcctttgc
      781 agggctggca agccacgttt ggtggtggcg accatcctcc aaaatcggat ctggaagttc
      841 tgttccaggg gcccctgtcc agcggtctgg ttccgcgtgg ttccggtacc gcggcccagc
      901 cggccgatgc agcagataaa ccgcgtggct ttgcccgtgg cctggacccg gaacgtatta
      961 ttggtgcgac cgattcgagt ggtgaactga tgtttctgat gaaatggaag gatagcgacg
     1021 aagcagatct ggtgctggcg aaagaagcca acatgaagtg cccgcagatt gttatcgcgt
     1081 tctatgaaga acgtctgacc gcggccgcat aataaaccga tacaattaaa ggctcctttt
     1141 ggagcctttt ttttggagat tttcaacgtg aaaaaattat tattcgcaat tcctttagtt
     1201 gttcctttct attctcactc cgctgaaact gttgaaagtt gtttagcaaa accccataca
     1261 gaaaattcat ttactaacgt ctggaaagac gacaaaactt tagatcgtta cgctaactat
     1321 gagggctgtc tgtggaatgc tacaggcgtt gtagtttgta ctggtgacga aactcagtgt
     1381 ctagctagag tggcggtggc tctggttccg gtgattttga ttatgaaaag atggcaaacg
     1441 ctaataaggg ggctatgacc gaaaatgccg atgaaaacgc gctacagtct gacgctaaag
     1501 gcaaacttga ttctgtcgct actgattacg gtgctgctat cgatggtttc attggtgacg
     1561 tttccggcct tgctaatggt aatggtgcta ctggtgattt tgctggctct aattcccaaa
     1621 tggctcaagt cggtgacggt gataattcac ctttaatgaa taatttccgt caatatttac
     1681 cttccctccc tcaatcggtt gaatgtcgcc cttttgtctt tggcgctggt aaaccatatg
     1741 aattttctat tgattgtgac aaaataaact tattccgtgg tgtctttgcg tttcttttat
     1801 atgttgccac ctttatgtat gtattttcta cgtttgctaa catactgcgt aataaggagt
     1861 cttaatcatg ccagttcttt tggctagcgc cgccctatac cttgtctgcc tccccgcgtt
     1921 gcgtcgcggt gcatggagcc gggccacctc gacctgaatg gaagccggcg gcacctcgct
     1981 aacggattca ccactccaag aattggagcc aatcaattct tgcggagaac tgtgaatgcg
     2041 caaaccaacc cttggcagaa catatccatc gcgtccgcca tctccagcag ccgcacgcgg
     2101 cgcatctcgg gcagcgttgg gtcctggcca cgggtgcgca tgatcgtgct cctgtcgttg
     2161 aggacccggc taggctggcg gggttgcctt actggttagc agaatgaatc accgatacgc
     2221 gagcgaacgt gaagcgactg ctgctgcaaa acgtctgcga cctgagcaac aacatgaatg
     2281 gtcttcggtt tccgtgtttc gtaaagtctg gaaacgcgga agtcagcgcc ctgcaccatt
     2341 atgttccgga tctgcatcgc aggatgctgc tggctaccct gtggaacacc tacatctgta
     2401 ttaacgaagc gctggcattg accctgagtg atttttctct ggtcccgccg catccatacc
     2461 gccagttgtt taccctcaca acgttccagt aaccgggcat gttcatcatc agtaacccgt
     2521 atcgtgagca tcctctctcg tttcatcggt atcattaccc ccatgaacag aaatccccct
     2581 tacacggagg catcagtgac caaacaggaa aaaaccgccc ttaacatggc ccgctttatc
     2641 agaagccaga cattaacgct tctggagaaa ctcaacgagc tggacgcgga tgaacaggca
     2701 gacatctgtg aatcgcttca cgaccacgct gatgagcttt accgcaggat ccgcgaaatt
     2761 gtaagcgtta atattttgtt aaaattcgcg ttaaattttt gttaaatcag ctcatttttt
     2821 aaccaatagg ccgaaatcgg caaaatccct tataaatcaa aagaatagac cgagataggg
     2881 ttgagtgttg ttccagtttg gaacaagagt ccactattaa agaacgtgga ctccaacgtc
     2941 aaagggcgaa aaaccgtcta tcagggcgat ggcccactac gtgaaccatc accctaatca
     3001 agttttttgg ggtcgaggtg ccgtaaagca ctaaatcgga accctaaagg gagcccccga
     3061 tttagagctt gacggggaaa gccggcgaac gtggcgagaa aggaagggaa gaaagcgaaa
     3121 ggagcgggcg ctagggcgct ggcaagtgta gcggtcacgc tgcgcgtaac caccacaccc
     3181 gccgcgctta atgcgccgct acagggcgcg tcgcggatcc tgcctcgcgc gtttcggtga
     3241 tgacggtgaa aacctctgac acatgcagct cccggagacg gtcacagctt gtctgtaagc
     3301 ggatgccggg agcagacaag cccgtcaggg cgcgtcagcg ggtgttggcg ggtgtcgggg
     3361 cgcagccatg acccagtcac gtagcgatag cggagtgtat actggcttaa ctatgcggca
     3421 tcagagcaga ttgtactgag agtgcaccat atgcggtgtg aaataccgca cagatgcgta
     3481 aggagaaaat accgcatcag gcgctcttcc gcttcctcgc tcactgactc gctgcgctcg
     3541 gtcgttcggc tgcggcgagc ggtatcagct cactcaaagg cggtaatacg gttatccaca
     3601 gaatcagggg ataacgcagg aaagaacatg tgagcaaaag gccagcaaaa ggccaggaac
     3661 cgtaaaaagg ccgcgttgct ggcgtttttc cataggctcc gcccccctga cgagcatcac
     3721 aaaaatcgac gctcaagtca gaggtggcga aacccgacag gactataaag ataccagggt
     3781 ttccccctgg aagctccctc gtgcgctctc ctgttccgac cctgccgctt accggatacc
     3841 tgtccgcctt tctcccttcg ggaagcgtgg cgctttctca tagctcacgc tgtaggtatc
     3901 tcagttcggt gtaggtcgtt cgctccaagc tgggctgtgt gcacgaaccc cccgttcagc
     3961 ccgaccgctg cgccttatcc ggtaactatc gtcttgagtc caacccggta agacacgact
     4021 tatcgccact ggcagcagcc actggtaaca ggattagcag agcgaggtat gtaggcggtg
     4081 ctacagagtt cttgaagtgg tggcctaact acggctacac tagaaggaca gtatttggta
     4141 tctgcgctct gctgaagcca gttaccttcg gaaaaagagt tggtagctct tgatccggca
     4201 aacaaaccac cgctggtagc ggtggttttt ttgtttgcaa gcagcagatt acgcgcagaa
     4261 aaaaaggatc tcaagaagat cctttgatct tttctacggg gtctgacgct cagtggaacg
     4321 aaaactcacg ttaagggatt ttggtcatga gattatcaaa aaggatcttc acctagatcc
     4381 ttttaaatta aaaatgaagt tttaaatcaa tctaaagtat atatgagtaa acttggtctg
     4441 acagttacca atgcttaatc agtgaggcac ctatctcagc gatctgtcta tttcgttcat
     4501 ccatagttgc ctgactcccc gtcgtgtaga taactacgat acgggagggc ttaccatctg
     4561 gccccagtgc tgcaatgata ccgcgagacc cacgctcacc ggctccagat ttatcagcaa
     4621 taaaccagcc agccggaagg gccgagcgca gaagtggtcc tgcaacttta tccgcctcca
     4681 tccagtctat taattgttgc cgggaagcta gagtaagtag ttcgccagtt aatagtttgc
     4741 gcaacgttgt tgccattgct gcaggcatcg tggtgtcacg ctcgtcgttt ggtatggctt
     4801 cattcagctc cggttcccaa cgatcaaggc gagttacatg atcccccatg ttgtgcaaaa
     4861 aagcggttag ctccttcggt cctccgatcg ttgtcagaag taagttggcc gcagtgttat
     4921 cactcatggt tatggcagca ctgcataatt ctcttactgt catgccatcc gtaagatgct
     4981 tttctgtgac tggtgagtac tcaaccaagt cattctgaga atagtgtatg cggcgaccga
     5041 gttgctcttg cccggcgtca acacgggata ataccgcgcc acatagcaga actttaaaag
     5101 tgctcatcat tggaaaacgt tcttcggggc gaaaactctc aaggatctta ccgctgttga
     5161 gatccagttc gatgtaaccc actcgtgcac ccaactgatc ttcagcatct tttactttca
     5221 ccagcgtttc tgggtgagca aaaacaggaa ggcaaaatgc cgcaaaaaag ggaataaggg
     5281 cgacacggaa atgttgaata ctcatactct tcctttttca atattattga agcatttatc
     5341 agggttattg tctcatgagc ggatacatat ttgaatgtat ttagaaaaat aaacaaatag
     5401 gggttccgcg cacatttccc cgaaaagtgc cacctgacgt ctaagaaacc attattatca
     5461 tgacattaac ctataaaaat aggcgtatca cgaggccctt tcgtcttcaa gaattcccga
     5521 caccatcgaa tggtgcaaaa cctttcgcgg tatggcatga tagcgcccgg aagagagtca
     5581 attcagggtg gtgaatgtga aaccagtaac gttatacgat gtcgcagagt atgccggtgt
     5641 ctcttatcag accgtttccc gcgtggtgaa ccaggccagc cacgtttctg cgaaaacgcg
     5701 ggaaaaagtg gaagcggcga tggcggagct gaattacatt cccaaccgcg tggcacaaca
     5761 actggcgggc aaacagtcgt tgctgattgg cgttgccacc tccagtctgg ccctgcacgc
     5821 gccgtcgcaa attgtcgcgg cgattaaatc tcgcgccgat caactgggtg ccagcgtggt
     5881 ggtgtcgatg gtagaacgaa gcggcgtcga agcctgtaaa gcggcggtgc acaatcttct
     5941 cgcgcaacgc gtcagtgggc tgatcattaa ctatccgctg gatgaccagg atgccattgc
     6001 tgtggaagct gcctgcacta atgttccggc gttatttctt gatgtctctg accagacacc
     6061 catcaacagt attattttct cccatgaaga cggtacgcga ctgggcgtgg agcatctggt
     6121 cgcattgggt caccagcaaa tcgcgctgtt agcgggccca ttaagttctg tctcggcgcg
     6181 tctgcgtctg gctggctggc ataaatatct cactcgcaat caaattcagc cgatagcgga
     6241 acgggaaggc gactggagtg ccatgtccgg ttttcaacaa accatgcaaa tgctgaatga
     6301 gggcatcgtt cccactgcga tgctggttgc caacgatcag atggcgctgg gcgcaatgcg
     6361 cgccattacc gagtccgggc tgcgcgttgg tgcggatatc tcggtagtgg gatacgacga
     6421 taccgaagac agctcatgtt atatcccgcc gttaaccacc atcaaacagg attttcgcct
     6481 gctggggcaa accagcgtgg accgcttgct gcaactctct cagggccagg cggtgaaggg
     6541 caatcagctg ttgcccgtct cactggtgaa aagaaaaacc accctggcgc ccaatacgca
     6601 aaccgcctct ccccgcgcgt tggccgattc attaatgcag ctggcacgac aggtttcccg
     6661 actggaaagc gggcagtgag cgcaacgcaa ttaatgtaag ttagctcact cattaggcac
     6721 aattctcatg tttgacagct tatcatcgac tgcacggtgc accaatgctt ctggcgtcag
     6781 gcagccatcg gaagctgtgg tatggctgtg caggtcgtaa atcactgcat aattcgtgtc
     6841 gctcaaggcg cactcccgtt ctggataatg ttttttgcgc cgacatcata acggttctgg
     6901 caaatattct gaaatgagct g
//
