LOCUS       sequence-12216-e        5923 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  synthetic circular DNA
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 5923)
  AUTHORS   Nettleship JE, Ren J, Rahman N, Berrow NS, Hatherley D, Barclay AN, 
            Owens RJ
  TITLE     A pipeline for the production of antibody fragments for structural 
            studies using transient expression in HEK 293T cells.
  JOURNAL   Protein Expr Purif. 2008 Nov . 62(1):83-9.
  PUBMED    18662785
REFERENCE   2  (bases 1 to 5923)
  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: "Protein 
            Expr Purif. 2008 Nov . 62(1):83-9."
COMMENT     Sequence Label: pOPINVL
FEATURES             Location/Qualifiers
     source          1..5923
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     misc_recomb     181..1008
                     /label=baculovirus recombination region (lef2/ORF603)
                     /note="contains ORF603 and part of lef2"
     CDS             181..305
                     /codon_start=3
                     /product="baculovirus late expression factor 2"
                     /label=lef2
                     /translation="HLLIKSQDVYKPPNCQKMKTVDKLCPFAGNCKGLNPICNY"
     CDS             complement(343..948)
                     /codon_start=1
                     /product="baculovirus ORF603 protein"
                     /label=ORF603
                     /translation="MAVIFNNKQLLADNSIEKGGELFLFNGSYNILESYVNPVLLKNGV
                     IELEEAAYYAGNILYKTDDPKFIDYINLIIKATHSEELPENSTVVNYRKTMRSGTIHPI
                     KKDIYIYDNKKFTLYDRYIYGYDNNYVNFYEEKNEKEKEYEEEDDKASSLCENKIILSQ
                     INCESFENDFKYYLSDYNYAFSIIDNTTNVLVAFGLYR"
     enhancer        1140..1443
                     /label=CMV enhancer
                     /note="human cytomegalovirus immediate early enhancer"
     promoter        1449..1726
                     /label=chicken beta-actin promoter
     primer_bind     2005..2027
                     /label=pCAGGS-5
                     /note="Chimeric intron in CAG promoter, forward primer"
     primer_bind     2089..2108
                     /label=pCAG-F
                     /note="Rabbit beta-globin intron, for pCAG plasmids, 
                     forward primer"
     primer_bind     2150..2169
                     /label=T7
                     /note="T7 promoter, forward primer"
     promoter        2150..2168
                     /label=T7 promoter
                     /note="promoter for bacteriophage T7 RNA polymerase"
     protein_bind    2169..2193
                     /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        2209..2318
                     /label=p10 promoter
                     /note="baculovirus promoter for expression in insect cells"
     protein_bind    2463..2484
                     /label=CAP binding site
                     /bound_moiety="E. coli catabolite activator protein"
                     /note="CAP binding activates transcription in the presence 
                     of cAMP."
     promoter        join(2499..2504,2505..2522,2523..2529)
                     /label=lac promoter
                     /note="promoter for the E. coli lac operon"
     protein_bind    2537..2553
                     /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     2542..2564
                     /label=M13/pUC Reverse
                     /note="In lacZ gene"
     primer_bind     2561..2577
                     /label=M13 rev
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     primer_bind     2561..2577
                     /label=M13 Reverse
                     /note="In lacZ gene. Also called M13-rev"
     CDS             2573..2746
                     /codon_start=1
                     /gene="lacZ fragment"
                     /product="LacZ-alpha fragment of beta-galactosidase"
                     /label=lacZ-alpha
                     /translation="MTMITDSLAVVLQRRDWENPGVTQLNRLAAHPPFASWRNSEEART
                     DRPSQQLRSLNGE"
     primer_bind     complement(2593..2610)
                     /label=M13 Forward
                     /note="In lacZ gene. Also called M13-F20 or M13 (-21) 
                     Forward"
     primer_bind     complement(2593..2609)
                     /label=M13 fwd
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     primer_bind     complement(2602..2624)
                     /label=M13/pUC Forward
                     /note="In lacZ gene"
     CDS             3111..3128
                     /codon_start=1
                     /product="6xHis affinity tag"
                     /label=6xHis
                     /translation="HHHHHH"
     primer_bind     complement(3218..3237)
                     /label=Bglob-pA-R
                     /note="Rabbit beta-globin polyA region, reverse primer"
     polyA_signal    3283..3338
                     /label=beta-globin poly(A) signal
                     /note="rabbit beta-globin polyadenylation signal (Gil and 
                     Proudfoot, 1987)"
     primer_bind     complement(3337..3356)
                     /label=rbglobpA-R
                     /note="Rabbit beta-globin polyA, reverse primer. Also 
                     called rb-glob-pA-term-R"
     terminator      3426..3473
                     /label=T7 terminator
                     /note="transcription terminator for bacteriophage T7 RNA 
                     polymerase"
     misc_recomb     3486..4191
                     /label=baculovirus recombination region (ORF1629)
                     /note="contains part of ORF1629"
     3'UTR           3574..3946
                     /label=polyhedrin 3' UTR
                     /note="3' UTR from the Autographa californica 
                     nucleopolyhedrovirus polyhedrin gene (Suzuki et al., 2006)"
     CDS             complement(3603..4191)
                     /codon_start=2
                     /product="baculovirus capsid-associated protein"
                     /label=ORF1629
                     /note="required for viral replication"
                     /translation="IPKSSTTNLIADVLADTINRRRVAMAKSSSEATSNDEGWDDDDNR
                     PNKANTPDVKYVQALFNVFTSSQLYTNDSDERNTKAHNILNDVEPLLQNKTQTNIDKAR
                     LLLQDLASFVALSENPLDSPAIGSEKQPLFETNRNLFYKSIEDLIFKFRYKDAENHLIF
                     ALTYHPKDYKFNELLKYVQQLSVNQQRTESSA"
     protein_bind    complement(4200..4233)
                     /label=loxP
                     /bound_moiety="Cre recombinase"
                     /note="Cre-mediated recombination occurs in the 8-bp core 
                     sequence (ATGTATGC) (Shaw et al., 2021)."
     rep_origin      complement(4401..4988)
                     /direction=LEFT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     complement(4480..4499)
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     CDS             complement(join(5001..5792,5793..5861))
                     /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     5624..5643
                     /label=Amp-R
                     /note="Ampicillin resistance gene, reverse primer"
ORIGIN
        1 tcctgcatct tttaatcaaa tcccaagatg tgtataaacg cgccggtatg tacaggaaga
       61 ggtttatact aaactgttac attgcaaacg tggtttcgtg tgccaagtgt gaaaaccgat
      121 gtttaatcaa ggctctgacg catttctaca accacgactc caagtgtgtg ggtgaagtca
      181 tgcatctttt aatcaaatcc caagatgtgt ataaaccacc aaactgccaa aaaatgaaaa
      241 ctgtcgacaa gctctgtccg tttgctggca actgcaaggg tctcaatcct atttgtaatt
      301 attgaataat aaaacaatta taaatgtcaa atttgttttt tattaacgat acaaaccaaa
      361 cgcaacaaga acatttgtag tattatctat aattgaaaac gcgtagttat aatcgctgag
      421 gtaatattta aaatcatttt caaatgattc acagttaatt tgcgacaata taattttatt
      481 ttcacataaa ctagacgcct tgtcgtcttc ttcttcgtat tccttctctt tttcattttt
      541 ctcttcataa aaattaacat agttattatc gtatccatat atgtatctat cgtatagagt
      601 aaattttttg ttgtcataaa tatatatgtc ttttttaatg gggtgtatag taccgctgcg
      661 catagttttt ctgtaattta caacagtgct attttctggt agttcttcgg agtgtgttgc
      721 tttaattatt aaatttatat aatcaatgaa tttgggatcg tcggttttgt acaatatgtt
      781 gccggcatag tacgcagctt cttctagttc aattacacca ttttttagca gcaccggatt
      841 aacataactt tccaaaatgt tgtacgaacc gttaaacaaa aacagttcac ctcccttttc
      901 tatactattg tctgcgagca gttgtttgtt gttaaaaata acagccattg taatgagacg
      961 cacaaactaa tatcacaaac tggaaatgtc tatcaatata tagttgctga tggccggccg
     1021 taatgagacg cacaaactaa tatcacaaac tggaaatgtc tatcaatata tagttgctct
     1081 agttattaat agtaatcaat tacggggtca ttagttcata gcccatatat ggagttccgc
     1141 gttacataac ttacggtaaa tggcccgcct ggctgaccgc ccaacgaccc ccgcccattg
     1201 acgtcaataa tgacgtatgt tcccatagta acgccaatag ggactttcca ttgacgtcaa
     1261 tgggtggagt atttacggta aactgcccac ttggcagtac atcaagtgta tcatatgcca
     1321 agtacgcccc ctattgacgt caatgacggt aaatggcccg cctggcatta tgcccagtac
     1381 atgaccttat gggactttcc tacttggcag tacatctacg tattagtcat cgctattacc
     1441 atgcatggtc gaggtgagcc ccacgttctg cttcactctc cccatctccc ccccctcccc
     1501 acccccaatt ttgtatttat ttatttttta attattttgt gcagcgatgg gggcgggggg
     1561 gggggggggg cgcgcgccag gcggggcggg gcggggcgag gggcggggcg gggcgaggcg
     1621 gagaggtgcg gcggcagcca atcagagcgg cgcgctccga aagtttcctt ttatggcgag
     1681 gcggcggcgg cggcggccct ataaaaagcg aagcgcgcgg cgggcgggag tcgctgcgcg
     1741 ctgccttcgc cccgtgcccc gctccgccgc cgcctcgcgc cgcccgcccc ggctctgact
     1801 gaccgcgtta ctcccacagg tgagcgggcg ggacggccct tctccttcgg gctgtaatta
     1861 gcgcttggtt taatgacggc ttgtttcttt tctgtggctg cgtgaaagcc ttgaggggct
     1921 ccgggagggc cctttgtgcg gggggagcgg ctcggggctg tccgcggggg gacggctgcc
     1981 ttcggggggg acggggcagg gcggggttcg gcttctggcg tgtgaccggc ggctctagag
     2041 cctctgctaa ccatgttcat gccttcttct ttttcctaca gctcctgggc aacgtgctgg
     2101 ttattgtgct gtctcatcat tttggcaaag aattggatcg gaccgaaatt aatacgactc
     2161 actatagggg aattgtgagc ggataacaat tccccggagt taatccggga cctttaattc
     2221 aacccaacac aatatattat agttaaataa gaattattat caaatcattt gtatattaat
     2281 taaaatacta tactgtaaat tacattttat ttacaatcaa aggagatata ccatggggat
     2341 ccttcccagc cctgggatgc ctgcgctgct ctccctcgtg agccttctct ccgtgctgct
     2401 gatgggttgc gtagctggta ccgtcgaccc gactggaaag cgggcagtga gcgcaacgca
     2461 attaatgtga gttagctcac tcattaggca ccccaggctt tacactttat gcttccggct
     2521 cgtatgttgt gtggaattgt gagcggataa caatttcaca caggaaacag ctatgaccat
     2581 gattacggat tcactggccg tcgttttaca acgtcgtgac tgggaaaacc ctggcgttac
     2641 ccaacttaat cgccttgcag cacatccccc tttcgccagc tggcgtaata gcgaagaggc
     2701 ccgcaccgat cgcccttccc aacagttgcg cagcctgaat ggcgaatggc gccaagcttt
     2761 ctagaccaga gctcgggctg atgctgcacc aactgtatcc atcttcccac catccagtga
     2821 gcagttaaca tctggaggtg cctcagtcgt gtgcttcttg aacaacttct accccaaaga
     2881 catcaatgtc aagtggaaga ttgatggcag tgaacgacaa aatggcgtcc tgaacagttg
     2941 gactgatcag gacagcaaag acagcaccta cagcatgagc agcaccctca cgttgaccaa
     3001 ggacgagtat gaacgacata acagctatac ctgtgaggcc actcacaaga catcaacttc
     3061 acccatcgtc aagagcttca acaggaatga gtgttaaaga ccagtttaaa catcaccatc
     3121 accatcacta agtgattaac ctcaggtgca ggctgcctat cagaaggtgg tggctggtgt
     3181 ggccaatgcc ctggctcaca aataccactg agatcgatct ttttccctct gccaaaaatt
     3241 atggggacat catgaagccc cttgagcatc tgacttctgg ctaataaagg aaatttattt
     3301 tcattgcaat agtgtgttgg aattttttgt gtctctcact cggaaggaca tatgggaggg
     3361 caaatcattt aaaacatcag aatgagtatt tggtttagag tttggcaaca tatgcccata
     3421 tgtaactagc ataacccctt ggggcctcta aacgggtctt gaggggtttt ttgctgaaag
     3481 catgcggagg aaattctcct tgaagtttcc ctggtgttca aagtaaagga gtttgcacca
     3541 gacgcacctc tgttcactgg tccggcgtat taaaacacga tacattgtta ttagtacatt
     3601 tattaagcgc tagattctgt gcgttgttga tttacagaca attgttgtac gtattttaat
     3661 aattcattaa atttataatc tttagggtgg tatgttagag cgaaaatcaa atgattttca
     3721 gcgtctttat atctgaattt aaatattaaa tcctcaatag atttgtaaaa taggtttcga
     3781 ttagtttcaa acaagggttg tttttccgaa ccgatggctg gactatctaa tggattttcg
     3841 ctcaacgcca caaaacttgc caaatcttgt agcagcaatc tagctttgtc gatattcgtt
     3901 tgtgttttgt tttgtaataa aggttcgacg tcgttcaaaa tattatgcgc ttttgtattt
     3961 ctttcatcac tgtcgttagt gtacaattga ctcgacgtaa acacgttaaa tagagcttgg
     4021 acatatttaa catcgggcgt gttagcttta ttaggccgat tatcgtcgtc gtcccaaccc
     4081 tcgtcgttag aagttgcttc cgaagacgat tttgccatag ccacacgacg cctattaatt
     4141 gtgtcggcta acacgtccgc gatcaaattt gtagttgagc tttttggaat tgcgatcgca
     4201 taacttcgta tagcatacat tatacgaagt tataagctcg gaacgctgcg ctcggtcgtt
     4261 cggctgcggc gagcggtatc agctcactca aaggcggtaa tacggttatc cacagaatca
     4321 ggggataacg caggaaagaa catgtgagca aaaggccagc aaaaggccag gaaccgtaaa
     4381 aaggccgcgt tgctggcgtt tttccatagg ctccgccccc tgacgagcat cacaaaaatc
     4441 gacgctcaag tcagaggtgg cgaaacccga caggactata aagataccag gcgtttcccc
     4501 ctggaagctc cctcgtgcgc tctcctgttc cgaccctgcc gcttaccgga tacctgtccg
     4561 cctttctccc ttcgggaagc gtggcgcttt ctcaatgctc acgctgtagg tatctcagtt
     4621 cggtgtaggt cgttcgctcc aagctgggct gtgtgcacga accccccgtt cagcccgacc
     4681 gctgcgcctt atccggtaac tatcgtcttg agtccaaccc ggtaagacac gacttatcgc
     4741 cactggcagc agccactggt aacaggatta gcagagcgag gtatgtaggc ggtgctacag
     4801 agttcttgaa gtggtggcct aactacggct acactagaag aacagtattt ggtatctgcg
     4861 ctctgctgaa gccagttacc ttcggaaaaa gagttggtag ctcttgatcc ggcaaacaaa
     4921 ccaccgctgg tagcggtggt ttttttgttt gcaagcagca gattacgcgc agaaaaaaag
     4981 gatctcaaga agatcctttg ttaccaatgc ttaatcagtg aggcacctat ctcagcgatc
     5041 tgtctatttc gttcatccat agttgcctga ctccccgtcg tgtagataac tacgatacgg
     5101 gagggcttac catctggccc cagtgctgca atgataccgc gagacccacg ctcaccggct
     5161 ccagatttat cagcaataaa ccagccagcc ggaagggccg agcgcagaag tggtcctgca
     5221 actttatccg cctccatcca gtctattaat tgttgccggg aagctagagt aagtagttcg
     5281 ccagttaata gtttgcgcaa cgttgttgcc attgctacag gcatcgtggt gtcacgctcg
     5341 tcgtttggta tggcttcatt cagctccggt tcccaacgat caaggcgagt tacatgatcc
     5401 cccatgttgt gcaaaaaagc ggttagctcc ttcggtcctc cgatcgttgt cagaagtaag
     5461 ttggccgcag tgttatcact catggttatg gcagcactgc ataattctct tactgtcatg
     5521 ccatccgtaa gatgcttttc tgtgactggt gagtactcaa ccaagtcatt ctgagaatag
     5581 tgtatgcggc gaccgagttg ctcttgcccg gcgtcaatac gggataatac cgcgccacat
     5641 agcagaactt taaaagtgct catcattgga aaacgttctt cggggcgaaa actctcaagg
     5701 atcttaccgc tgttgagatc cagttcgatg taacccactc gtgcacccaa ctgatcttca
     5761 gcatctttta ctttcaccag cgtttctggg tgagcaaaaa caggaaggca aaatgccgca
     5821 aaaaagggaa taagggcgac acggaaatgt tgaatactca tactcttcct ttttcaatat
     5881 tattgaagca tttatcaggg ttattgtctc atgtccgcgc gtt
//
