LOCUS       sequence-201216-        5115 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  Expresses human IL-2 (C125S).
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 5115)
  TITLE     Bacterial expression plasmid for production of histidine-tagged IL2
  JOURNAL   Unpublished
REFERENCE   2  (bases 1 to 5115)
  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: 
            "Unpublished"
COMMENT     Sequence Label: pQE80L-IL2 C125S
FEATURES             Location/Qualifiers
     source          1..5115
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     promoter        join(24..38,39..44,45..61,62..68)
                     /label=T5 promoter
                     /note="bacteriophage T5 promoter for E. coli RNA 
                     polymerase, with embedded lac operator"
     protein_bind    44..60
                     /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)."
     protein_bind    76..92
                     /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)."
     RBS             111..122
                     /note="strong bacterial ribosome binding site (Elowitz and 
                     Leibler, 2000)"
     CDS             141..158
                     /codon_start=1
                     /product="6xHis affinity tag"
                     /label=6xHis
                     /translation="HHHHHH"
     terminator      586..680
                     /label=lambda t0 terminator
                     /note="transcription terminator from phage lambda"
     CDS             724..1383
                     /codon_start=1
                     /gene="cat"
                     /product="chloramphenicol acetyltransferase"
                     /label=CmR
                     /note="confers resistance to chloramphenicol"
                     /translation="MEKKITGYTTVDISQWHRKEHFEAFQSVAQCTYNQTVQLDITAFL
                     KTVKKNKHKFYPAFIHILARLMNAHPEFRMAMKDGELVIWDSVHPCYTVFHEQTETFSS
                     LWSEYHDDFRQFLHIYSQDVACYGENLAYFPKGFIENMFFVSANPWVSFTSFDLNVANM
                     DNFFAPVFTMGKYYTQGDKVLMPLAIQVHHAVCDGFHVGRMLNELQQYCDEWQGGA"
     primer_bind     complement(790..809)
                     /label=CAT-R
                     /note="Chloramphenicol resistance gene, reverse primer"
     terminator      1448..1534
                     /gene="Escherichia coli rrnB"
                     /label=rrnB T1 terminator
                     /note="transcription terminator T1 from the E. coli rrnB 
                     gene"
     CDS             complement(1627..2709)
                     /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     2671..2690
                     /label=LacI-R
                     /note="LacI, reverse primer"
     promoter        complement(2710..2787)
                     /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."
     primer_bind     complement(2871..2893)
                     /label=pGEX 3'
                     /note="pGEX vectors, reverse primer"
     misc_feature    2979..3119
                     /label=bom
                     /note="basis of mobility region from pBR322"
     primer_bind     3034..3053
                     /label=pRS-marker
                     /note="pRS vectors, use to sequence yeast selectable 
                     marker"
     primer_bind     complement(3134..3151)
                     /label=L4440
                     /note="L4440 vector, forward primer"
     rep_origin      complement(3305..3893)
                     /direction=LEFT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     complement(3385..3404)
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     CDS             complement(join(4064..4855,4856..4924))
                     /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     4687..4706
                     /label=Amp-R
                     /note="Ampicillin resistance gene, reverse primer"
     promoter        complement(4925..5029)
                     /gene="bla"
                     /label=AmpR promoter
     primer_bind     5097..5115
                     /label=pBRforEco
                     /note="pBR322 vectors, upsteam of EcoRI site, forward 
                     primer"
ORIGIN
        1 cctttcgtct tcacctcgag aaatcataaa aaatttattt gctttgtgag cggataacaa
       61 ttataataga ttcaattgtg agcggataac aatttcacac agaattcatt aaagaggaga
      121 aattaactat gagaggatcg catcaccatc accatcacgg atccgcacct acttcaagtt
      181 ctacaaagaa aacacagcta caactggagc atttactgct ggatttacag atgattttga
      241 atggaattaa taattacaag aatcccaaac tcaccaggat gctcacattt aagttttaca
      301 tgcccaagaa ggccacagaa ctgaaacatc ttcagtgtct agaagaagaa ctcaaacctc
      361 tggaggaagt gctaaattta gctcaaagca aaaactttca cttaagaccc agggacttaa
      421 tcagcaatat caacgtaata gttctggaac taaagggatc tgaaacaaca ttcatgtgtg
      481 aatatgctga tgagacagca accattgtag aatttctgaa cagatggatt accttttccc
      541 aaagcatcat ctcaacactg acttaagctt aattagctga gcttggactc ctgttgatag
      601 atccagtaat gacctcagaa ctccatctgg atttgttcag aacgctcggt tgccgccggg
      661 cgttttttat tggtgagaat ccaagctagc ttggcgagat tttcaggagc taaggaagct
      721 aaaatggaga aaaaaatcac tggatatacc accgttgata tatcccaatg gcatcgtaaa
      781 gaacattttg aggcatttca gtcagttgct caatgtacct ataaccagac cgttcagctg
      841 gatattacgg cctttttaaa gaccgtaaag aaaaataagc acaagtttta tccggccttt
      901 attcacattc ttgcccgcct gatgaatgct catccggaat ttcgtatggc aatgaaagac
      961 ggtgagctgg tgatatggga tagtgttcac ccttgttaca ccgttttcca tgagcaaact
     1021 gaaacgtttt catcgctctg gagtgaatac cacgacgatt tccggcagtt tctacacata
     1081 tattcgcaag atgtggcgtg ttacggtgaa aacctggcct atttccctaa agggtttatt
     1141 gagaatatgt ttttcgtctc agccaatccc tgggtgagtt tcaccagttt tgatttaaac
     1201 gtggccaata tggacaactt cttcgccccc gttttcacca tgggcaaata ttatacgcaa
     1261 ggcgacaagg tgctgatgcc gctggcgatt caggttcatc atgccgtttg tgatggcttc
     1321 catgtcggca gaatgcttaa tgaattacaa cagtactgcg atgagtggca gggcggggcg
     1381 taattttttt aaggcagtta ttggtgccct taaacgcctg gggtaatgac tctctagctt
     1441 gaggcatcaa ataaaacgaa aggctcagtc gaaagactgg gcctttcgtt ttatctgttg
     1501 tttgtcggtg aacgctctcc tgagtaggac aaatccgccc tctagattac gtgcagtcga
     1561 tgataagctg tcaaacatga gaattgtgcc taatgagtga gctaacttac attaattgcg
     1621 ttgcgctcac tgcccgcttt ccagtcggga aacctgtcgt gccagctgca ttaatgaatc
     1681 ggccaacgcg cggggagagg cggtttgcgt attgggcgcc agggtggttt ttcttttcac
     1741 cagtgagacg ggcaacagct gattgccctt caccgcctgg ccctgagaga gttgcagcaa
     1801 gcggtccacg ctggtttgcc ccagcaggcg aaaatcctgt ttgatggtgg ttaacggcgg
     1861 gatataacat gagctgtctt cggtatcgtc gtatcccact accgagatat ccgcaccaac
     1921 gcgcagcccg gactcggtaa tggcgcgcat tgcgcccagc gccatctgat cgttggcaac
     1981 cagcatcgca gtgggaacga tgccctcatt cagcatttgc atggtttgtt gaaaaccgga
     2041 catggcactc cagtcgcctt cccgttccgc tatcggctga atttgattgc gagtgagata
     2101 tttatgccag ccagccagac gcagacgcgc cgagacagaa cttaatgggc ccgctaacag
     2161 cgcgatttgc tggtgaccca atgcgaccag atgctccacg cccagtcgcg taccgtcttc
     2221 atgggagaaa ataatactgt tgatgggtgt ctggtcagag acatcaagaa ataacgccgg
     2281 aacattagtg caggcagctt ccacagcaat ggcatcctgg tcatccagcg gatagttaat
     2341 gatcagccca ctgacgcgtt gcgcgagaag attgtgcacc gccgctttac aggcttcgac
     2401 gccgcttcgt tctaccatcg acaccaccac gctggcaccc agttgatcgg cgcgagattt
     2461 aatcgccgcg acaatttgcg acggcgcgtg cagggccaga ctggaggtgg caacgccaat
     2521 cagcaacgac tgtttgcccg ccagttgttg tgccacgcgg ttgggaatgt aattcagctc
     2581 cgccatcgcc gcttccactt tttcccgcgt tttcgcagaa acgtggctgg cctggttcac
     2641 cacgcgggaa acggtctgat aagagacacc ggcatactct gcgacatcgt ataacgttac
     2701 tggtttcaca ttcaccaccc tgaattgact ctcttccggg cgctatcatg ccataccgcg
     2761 aaaggttttg caccattcga tggtgtcgga atttcgggca gcgttgggtc ctggccacgg
     2821 gtgcgcatga tctagagctg cctcgcgcgt ttcggtgatg acggtgaaaa cctctgacac
     2881 atgcagctcc cggagacggt cacagcttgt ctgtaagcgg atgccgggag cagacaagcc
     2941 cgtcagggcg cgtcagcggg tgttggcggg tgtcggggcg cagccatgac ccagtcacgt
     3001 agcgatagcg gagtgtatac tggcttaact atgcggcatc agagcagatt gtactgagag
     3061 tgcaccatat gcggtgtgaa ataccgcaca gatgcgtaag gagaaaatac cgcatcaggc
     3121 gctcttccgc ttcctcgctc actgactcgc tgcgctcggt cgttcggctg cggcgagcgg
     3181 tatcagctca ctcaaaggcg gtaatacggt tatccacaga atcaggggat aacgcaggaa
     3241 agaacatgtg agcaaaaggc cagcaaaagg ccaggaaccg taaaaaggcc gcgttgctgg
     3301 cgtttttcca taggctccgc ccccctgacg agcatcacaa aaatcgacgc tcaagtcaga
     3361 ggtggcgaaa cccgacagga ctataaagat accaggcgtt tccccctgga agctccctcg
     3421 tgcgctctcc tgttccgacc ctgccgctta ccggatacct gtccgccttt ctcccttcgg
     3481 gaagcgtggc gctttctcat agctcacgct gtaggtatct cagttcggtg taggtcgttc
     3541 gctccaagct gggctgtgtg cacgaacccc ccgttcagcc cgaccgctgc gccttatccg
     3601 gtaactatcg tcttgagtcc aacccggtaa gacacgactt atcgccactg gcagcagcca
     3661 ctggtaacag gattagcaga gcgaggtatg taggcggtgc tacagagttc ttgaagtggt
     3721 ggcctaacta cggctacact agaaggacag tatttggtat ctgcgctctg ctgaagccag
     3781 ttaccttcgg aaaaagagtt ggtagctctt gatccggcaa acaaaccacc gctggtagcg
     3841 gtggtttttt tgtttgcaag cagcagatta cgcgcagaaa aaaaggatct caagaagatc
     3901 ctttgatctt ttctacgggg tctgacgctc agtggaacga aaactcacgt taagggattt
     3961 tggtcatgag attatcaaaa aggatcttca cctagatcct tttaaattaa aaatgaagtt
     4021 ttaaatcaat ctaaagtata tatgagtaaa cttggtctga cagttaccaa tgcttaatca
     4081 gtgaggcacc tatctcagcg atctgtctat ttcgttcatc catagttgcc tgactccccg
     4141 tcgtgtagat aactacgata cgggagggct taccatctgg ccccagtgct gcaatgatac
     4201 cgcgagaccc acgctcaccg gctccagatt tatcagcaat aaaccagcca gccggaaggg
     4261 ccgagcgcag aagtggtcct gcaactttat ccgcctccat ccagtctatt aattgttgcc
     4321 gggaagctag agtaagtagt tcgccagtta atagtttgcg caacgttgtt gccattgcta
     4381 caggcatcgt ggtgtcacgc tcgtcgtttg gtatggcttc attcagctcc ggttcccaac
     4441 gatcaaggcg agttacatga tcccccatgt tgtgcaaaaa agcggttagc tccttcggtc
     4501 ctccgatcgt tgtcagaagt aagttggccg cagtgttatc actcatggtt atggcagcac
     4561 tgcataattc tcttactgtc atgccatccg taagatgctt ttctgtgact ggtgagtact
     4621 caaccaagtc attctgagaa tagtgtatgc ggcgaccgag ttgctcttgc ccggcgtcaa
     4681 tacgggataa taccgcgcca catagcagaa ctttaaaagt gctcatcatt ggaaaacgtt
     4741 cttcggggcg aaaactctca aggatcttac cgctgttgag atccagttcg atgtaaccca
     4801 ctcgtgcacc caactgatct tcagcatctt ttactttcac cagcgtttct gggtgagcaa
     4861 aaacaggaag gcaaaatgcc gcaaaaaagg gaataagggc gacacggaaa tgttgaatac
     4921 tcatactctt cctttttcaa tattattgaa gcatttatca gggttattgt ctcatgagcg
     4981 gatacatatt tgaatgtatt tagaaaaata aacaaatagg ggttccgcgc acatttcccc
     5041 gaaaagtgcc acctgacgtc taagaaacca ttattatcat gacattaacc tataaaaata
     5101 ggcgtatcac gaggc
//
