LOCUS       sequence-338548-        6051 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  Expresses in bacterial cytoplasm superfolder GFP with SpyTag003 and 
            flanking linkers between Asp173 and Gly174.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 6051)
  AUTHORS   Keeble AH, Yadav VK, Ferla MP, Bauer CC, Chuntharpursat-Bon E, Huang
            J, Bon RS, Howarth M
  TITLE     DogCatcher allows loop-friendly protein-protein ligation.
  JOURNAL   Cell Chem Biol. 2021 Jul 28. pii: S2451-9456(21)00315-9. doi: 
            10.1016/j.chembiol.2021.07.005.
  PUBMED    34324879
REFERENCE   2  (bases 1 to 6051)
  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: "Cell Chem 
            Biol. 2021 Jul 28. pii: S2451-9456(21)00315-9. doi: 
            10.1016/j.chembiol.2021.07.005."
COMMENT     Sequence Label: pET28-sfGFP-SpyTag003 Loop C
FEATURES             Location/Qualifiers
     source          1..6051
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     CDS             complement(778..1860)
                     /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     1822..1841
                     /label=LacI-R
                     /note="LacI, reverse primer"
     promoter        complement(1861..1938)
                     /gene="lacI"
                     /label=lacI promoter
     primer_bind     2144..2163
                     /label=pBRrevBam
                     /note="pBR322 vectors, tet region, downstream of BamHI, 
                     reverse primer"
     primer_bind     2247..2266
                     /label=T7
                     /note="T7 promoter, forward primer"
     promoter        2247..2265
                     /label=T7 promoter
                     /note="promoter for bacteriophage T7 RNA polymerase"
     protein_bind    2266..2290
                     /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             2305..2327
                     /note="efficient ribosome binding site from bacteriophage 
                     T7 gene 10 (Olins and Rangwala, 1989)"
     CDS             2869..2916
                     /codon_start=1
                     /product="improved SpyTag variant that reacts with 
                     SpyCatcher003 at a rate approaching the diffusion limit 
                     (Keeble et al., 2019)"
                     /label=SpyTag003
                     /translation="RGVPHIVMVDAYKRYK"
     CDS             3145..3162
                     /codon_start=1
                     /product="6xHis affinity tag"
                     /label=6xHis
                     /translation="HHHHHH"
     primer_bind     complement(3232..3250)
                     /label=T7 Term
                     /note="T7 terminator, reverse primer"
     terminator      3246..3293
                     /label=T7 terminator
                     /note="transcription terminator for bacteriophage T7 RNA 
                     polymerase"
     rep_origin      3330..3785
                     /direction=RIGHT
                     /label=f1 ori
                     /note="f1 bacteriophage origin of replication; arrow 
                     indicates direction of (+) strand synthesis"
     primer_bind     complement(3417..3436)
                     /label=F1ori-R
                     /note="F1 origin, reverse primer"
     primer_bind     3627..3648
                     /label=F1ori-F
                     /note="F1 origin, forward primer"
     CDS             complement(3877..4692)
                     /codon_start=1
                     /product="aminoglycoside phosphotransferase"
                     /label=KanR
                     /note="confers resistance to kanamycin in bacteria or G418 
                     (Geneticin(R)) in eukaryotes"
                     /translation="MSHIQRETSCSRPRLNSNMDADLYGYKWARDNVGQSGATIYRLYG
                     KPDAPELFLKHGKGSVANDVTDEMVRLNWLTEFMPLPTIKHFIRTPDDAWLLTTAIPGK
                     TAFQVLEEYPDSGENIVDALAVFLRRLHSIPVCNCPFNSDRVFRLAQAQSRMNNGLVDA
                     SDFDDERNGWPVEQVWKEMHKLLPFSPDSVVTHGDFSLDNLIFDEGKLIGCIDVGRVGI
                     ADRYQDLAILWNCLGEFSPSLQKRLFQKYGIDNPDMNKLQFHLMLDEFF"
     CDS             complement(3877..4692)
                     /codon_start=1
                     /gene="aph(3')-Ia"
                     /product="aminoglycoside phosphotransferase"
                     /label=KanR
                     /note="confers resistance to kanamycin in bacteria or G418 
                     (Geneticin(R)) in eukaryotes"
                     /translation="MSHIQRETSCSRPRLNSNMDADLYGYKWARDNVGQSGATIYRLYG
                     KPDAPELFLKHGKGSVANDVTDEMVRLNWLTEFMPLPTIKHFIRTPDDAWLLTTAIPGK
                     TAFQVLEEYPDSGENIVDALAVFLRRLHSIPVCNCPFNSDRVFRLAQAQSRMNNGLVDA
                     SDFDDERNGWPVEQVWKEMHKLLPFSPDSVVTHGDFSLDNLIFDEGKLIGCIDVGRVGI
                     ADRYQDLAILWNCLGEFSPSLQKRLFQKYGIDNPDMNKLQFHLMLDEFF"
     primer_bind     4600..4619
                     /label=Kan-R
                     /note="Kanamycin resistance gene, reverse primer"
     primer_bind     4684..4703
                     /label=pENTR-R
                     /note="pENTR vectors, reverse primer"
     rep_origin      4814..5402
                     /direction=RIGHT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     5303..5322
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     primer_bind     5556..5573
                     /label=L4440
                     /note="L4440 vector, forward primer"
     misc_feature    5588..5727
                     /label=bom
                     /note="basis of mobility region from pBR322"
     primer_bind     complement(5653..5672)
                     /label=pRS-marker
                     /note="pRS vectors, use to sequence yeast selectable 
                     marker"
     primer_bind     5813..5835
                     /label=pGEX 3'
                     /note="pGEX vectors, reverse primer"
     CDS             complement(5829..6020)
                     /codon_start=1
                     /gene="rop"
                     /product="Rop protein, which maintains plasmids at low copy
                     number"
                     /label=rop
                     /translation="MTKQEKTALNMARFIRSQTLTLLEKLNELDADEQADICESLHDHA
                     DELYRSCLARFGDDGENL"
ORIGIN
        1 atgggggtaa tgataccgat gaaacgagag aggatgctca cgatacgggt tactgatgat
       61 gaacatgccc ggttactgga acgttgtgag ggtaaacaac tggcggtatg gatgcggcgg
      121 gaccagagaa aaatcactca gggtcaatgc cagcgcttcg ttaatacaga tgtaggtgtt
      181 ccacagggta gccagcagca tcctgcgatg cagatccgga acataatggt gcagggcgct
      241 gacttccgcg tttccagact ttacgaaaca cggaaaccga agaccattca tgttgttgct
      301 caggtcgcag acgttttgca gcagcagtcg cttcacgttc gctcgcgtat cggtgattca
      361 ttctgctaac cagtaaggca accccgccag cctagccggg tcctcaacga caggagcacg
      421 atcatgcgca cccgtggggc cgccatgccg gcgataatgg cctgcttctc gccgaaacgt
      481 ttggtggcgg gaccagtgac gaaggcttga gcgagggcgt gcaagattcc gaataccgca
      541 agcgacaggc cgatcatcgt cgcgctccag cgaaagcggt cctcgccgaa aatgacccag
      601 agcgctgccg gcacctgtcc tacgagttgc atgataaaga agacagtcat aagtgcggcg
      661 acgatagtca tgccccgcgc ccaccggaag gagctgactg ggttgaaggc tctcaagggc
      721 atcggtcgag atcccggtgc ctaatgagtg agctaactta cattaattgc gttgcgctca
      781 ctgcccgctt tccagtcggg aaacctgtcg tgccagctgc attaatgaat cggccaacgc
      841 gcggggagag gcggtttgcg tattgggcgc cagggtggtt tttcttttca ccagtgagac
      901 gggcaacagc tgattgccct tcaccgcctg gccctgagag agttgcagca agcggtccac
      961 gctggtttgc cccagcaggc gaaaatcctg tttgatggtg gttaacggcg ggatataaca
     1021 tgagctgtct tcggtatcgt cgtatcccac taccgagata tccgcaccaa cgcgcagccc
     1081 ggactcggta atggcgcgca ttgcgcccag cgccatctga tcgttggcaa ccagcatcgc
     1141 agtgggaacg atgccctcat tcagcatttg catggtttgt tgaaaaccgg acatggcact
     1201 ccagtcgcct tcccgttccg ctatcggctg aatttgattg cgagtgagat atttatgcca
     1261 gccagccaga cgcagacgcg ccgagacaga acttaatggg cccgctaaca gcgcgatttg
     1321 ctggtgaccc aatgcgacca gatgctccac gcccagtcgc gtaccgtctt catgggagaa
     1381 aataatactg ttgatgggtg tctggtcaga gacatcaaga aataacgccg gaacattagt
     1441 gcaggcagct tccacagcaa tggcatcctg gtcatccagc ggatagttaa tgatcagccc
     1501 actgacgcgt tgcgcgagaa gattgtgcac cgccgcttta caggcttcga cgccgcttcg
     1561 ttctaccatc gacaccacca cgctggcacc cagttgatcg gcgcgagatt taatcgccgc
     1621 gacaatttgc gacggcgcgt gcagggccag actggaggtg gcaacgccaa tcagcaacga
     1681 ctgtttgccc gccagttgtt gtgccacgcg gttgggaatg taattcagct ccgccatcgc
     1741 cgcttccact ttttcccgcg ttttcgcaga aacgtggctg gcctggttca ccacgcggga
     1801 aacggtctga taagagacac cggcatactc tgcgacatcg tataacgtta ctggtttcac
     1861 attcaccacc ctgaattgac tctcttccgg gcgctatcat gccataccgc gaaaggtttt
     1921 gcgccattcg atggtgtccg ggatctcgac gctctccctt atgcgactcc tgcattagga
     1981 agcagcccag tagtaggttg aggccgttga gcaccgccgc cgcaaggaat ggtgcatgca
     2041 aggagatggc gcccaacagt cccccggcca cggggcctgc caccataccc acgccgaaac
     2101 aagcgctcat gagcccgaag tggcgagccc gatcttcccc atcggtgatg tcggcgatat
     2161 aggcgccagc aaccgcacct gtggcgccgg tgatgccggc cacgatgcgt ccggcgtaga
     2221 ggatcgagat ctcgatcccg cgaaattaat acgactcact ataggggaat tgtgagcgga
     2281 taacaattcc cctctagaaa taattttgtt taactttaag aaggagatat acatatgcgt
     2341 aaaggcgaag agctgttcac tggtgtcgtc cctattctgg tggaactgga tggtgatgtc
     2401 aacggtcata agttttccgt gcgtggcgag ggtgaaggtg acgcaactaa tggtaaactg
     2461 acgctgaagt tcatctgtac tactggtaaa ctgccggtac cttggccgac tctggtaacg
     2521 acgctgactt atggtgttca gtgctttgct cgttatccgg accatatgaa gcagcatgac
     2581 ttcttcaagt ccgccatgcc ggaaggctat gtgcaggaac gcacgatttc ctttaaggat
     2641 gacggcacgt acaaaacgcg tgcggaagtg aaatttgaag gcgataccct ggtaaaccgc
     2701 attgagctga aaggcattga ctttaaagaa gacggcaata tcctgggcca taagctggaa
     2761 tacaatttta acagccacaa tgtttacatc accgccgata aacaaaaaaa tggcattaaa
     2821 gcgaatttta aaattcgcca caacgtggag gatggcgggg gtggctcgcg tggtgttcca
     2881 catatcgtta tggttgatgc gtacaaacgc tataagggag gaggtggctc tggcagcgtg
     2941 cagctggctg atcactacca gcaaaacact ccaatcggtg atggtcctgt tctgctgcca
     3001 gacaatcact atctgagcac gcaaagcgtt ctgtctaaag atccgaacga gaaacgcgat
     3061 catatggttc tgctggagtt cgtaaccgca gcgggcatca cgcatggtat ggatgaactg
     3121 tacaaaggct ccggctccgg ctcccaccat caccatcacc attgataagc tagcaccact
     3181 gagatccggc tgctaacaaa gcccgaaagg aagctgagtt ggctgctgcc accgctgagc
     3241 aataactagc ataacccctt ggggcctcta aacgggtctt gaggggtttt ttgctgaaag
     3301 gaggaactat atccggattg gcgaatggga cgcgccctgt agcggcgcat taagcgcggc
     3361 gggtgtggtg gttacgcgca gcgtgaccgc tacacttgcc agcgccctag cgcccgctcc
     3421 tttcgctttc ttcccttcct ttctcgccac gttcgccggc tttccccgtc aagctctaaa
     3481 tcgggggctc cctttagggt tccgatttag tgctttacgg cacctcgacc ccaaaaaact
     3541 tgattagggt gatggttcac gtagtgggcc atcgccctga tagacggttt ttcgcccttt
     3601 gacgttggag tccacgttct ttaatagtgg actcttgttc caaactggaa caacactcaa
     3661 ccctatctcg gtctattctt ttgatttata agggattttg ccgatttcgg cctattggtt
     3721 aaaaaatgag ctgatttaac aaaaatttaa cgcgaatttt aacaaaatat taacgcttac
     3781 aatttaggtg gcacttttcg gggaaatgtg cgcggaaccc ctatttgttt atttttctaa
     3841 atacattcaa atatgtatcc gctcatgaat taattcttag aaaaactcat cgagcatcaa
     3901 atgaaactgc aatttattca tatcaggatt atcaatacca tatttttgaa aaagccgttt
     3961 ctgtaatgaa ggagaaaact caccgaggca gttccatagg atggcaagat cctggtatcg
     4021 gtctgcgatt ccgactcgtc caacatcaat acaacctatt aatttcccct cgtcaaaaat
     4081 aaggttatca agtgagaaat caccatgagt gacgactgaa tccggtgaga atggcaaaag
     4141 tttatgcatt tctttccaga cttgttcaac aggccagcca ttacgctcgt catcaaaatc
     4201 actcgcatca accaaaccgt tattcattcg tgattgcgcc tgagcgagac gaaatacgcg
     4261 atcgctgtta aaaggacaat tacaaacagg aatcgaatgc aaccggcgca ggaacactgc
     4321 cagcgcatca acaatatttt cacctgaatc aggatattct tctaatacct ggaatgctgt
     4381 tttcccgggg atcgcagtgg tgagtaacca tgcatcatca ggagtacgga taaaatgctt
     4441 gatggtcgga agaggcataa attccgtcag ccagtttagt ctgaccatct catctgtaac
     4501 atcattggca acgctacctt tgccatgttt cagaaacaac tctggcgcat cgggcttccc
     4561 atacaatcga tagattgtcg cacctgattg cccgacatta tcgcgagccc atttataccc
     4621 atataaatca gcatccatgt tggaatttaa tcgcggccta gagcaagacg tttcccgttg
     4681 aatatggctc ataacacccc ttgtattact gtttatgtaa gcagacagtt ttattgttca
     4741 tgaccaaaat cccttaacgt gagttttcgt tccactgagc gtcagacccc gtagaaaaga
     4801 tcaaaggatc ttcttgagat cctttttttc tgcgcgtaat ctgctgcttg caaacaaaaa
     4861 aaccaccgct accagcggtg gtttgtttgc cggatcaaga gctaccaact ctttttccga
     4921 aggtaactgg cttcagcaga gcgcagatac caaatactgt ccttctagtg tagccgtagt
     4981 taggccacca cttcaagaac tctgtagcac cgcctacata cctcgctctg ctaatcctgt
     5041 taccagtggc tgctgccagt ggcgataagt cgtgtcttac cgggttggac tcaagacgat
     5101 agttaccgga taaggcgcag cggtcgggct gaacgggggg ttcgtgcaca cagcccagct
     5161 tggagcgaac gacctacacc gaactgagat acctacagcg tgagctatga gaaagcgcca
     5221 cgcttcccga agggagaaag gcggacaggt atccggtaag cggcagggtc ggaacaggag
     5281 agcgcacgag ggagcttcca gggggaaacg cctggtatct ttatagtcct gtcgggtttc
     5341 gccacctctg acttgagcgt cgatttttgt gatgctcgtc aggggggcgg agcctatgga
     5401 aaaacgccag caacgcggcc tttttacggt tcctggcctt ttgctggcct tttgctcaca
     5461 tgttctttcc tgcgttatcc cctgattctg tggataaccg tattaccgcc tttgagtgag
     5521 ctgataccgc tcgccgcagc cgaacgaccg agcgcagcga gtcagtgagc gaggaagcgg
     5581 aagagcgcct gatgcggtat tttctcctta cgcatctgtg cggtatttca caccgcaatg
     5641 gtgcactctc agtacaatct gctctgatgc cgcatagtta agccagtata cactccgcta
     5701 tcgctacgtg actgggtcat ggctgcgccc cgacacccgc caacacccgc tgacgcgccc
     5761 tgacgggctt gtctgctccc ggcatccgct tacagacaag ctgtgaccgt ctccgggagc
     5821 tgcatgtgtc agaggttttc accgtcatca ccgaaacgcg cgaggcagct gcggtaaagc
     5881 tcatcagcgt ggtcgtgaag cgattcacag atgtctgcct gttcatccgc gtccagctcg
     5941 ttgagtttct ccagaagcgt taatgtctgg cttctgataa agcgggccat gttaagggcg
     6001 gttttttcct gtttggtcac tgatgcctcc gtgtaagggg gatttctgtt c
//
