LOCUS       sequence-215965-        6966 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  Protein expression and purification of SPF45.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 6966)
  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 6966)
  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_SPF45
FEATURES             Location/Qualifiers
     source          1..6966
                     /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      1161..1208
                     /label=fd terminator
                     /note="central terminator from bacteriophage fd (Otsuka and
                     Kunisawa, 1982)"
     rep_origin      complement(2801..3256)
                     /direction=LEFT
                     /label=f1 ori
                     /note="f1 bacteriophage origin of replication; arrow 
                     indicates direction of (+) strand synthesis"
     primer_bind     complement(2938..2959)
                     /label=F1ori-F
                     /note="F1 origin, forward primer"
     primer_bind     3150..3169
                     /label=F1ori-R
                     /note="F1 origin, reverse primer"
     primer_bind     complement(3298..3320)
                     /label=pGEX 3'
                     /note="pGEX vectors, reverse primer"
     misc_feature    3406..3546
                     /label=bom
                     /note="basis of mobility region from pBR322"
     primer_bind     3461..3480
                     /label=pRS-marker
                     /note="pRS vectors, use to sequence yeast selectable 
                     marker"
     primer_bind     complement(3561..3578)
                     /label=L4440
                     /note="L4440 vector, forward primer"
     rep_origin      complement(3732..4319)
                     /direction=LEFT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     CDS             complement(join(4490..5281,5282..5350))
                     /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     5113..5132
                     /label=Amp-R
                     /note="Ampicillin resistance gene, reverse primer"
     promoter        complement(5351..5455)
                     /gene="bla"
                     /label=AmpR promoter
     primer_bind     5523..5541
                     /label=pBRforEco
                     /note="pBR322 vectors, upsteam of EcoRI site, forward 
                     primer"
     promoter        5564..5641
                     /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             5642..6724
                     /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(5661..5680)
                     /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 cggccgtggt tctgctgcgt aacatggtcg gcgcgggtga agtggatgaa gacctggaag
      961 tggaaaccaa agaagaatgc gaaaaatatg gcaaagtggg taaatgtgtt atcttcgaaa
     1021 tcccgggcgc accggatgac gaagctgttc gtatttttct ggaattcgaa cgcgtcgaaa
     1081 gcgcgatcaa agccgtcgtg gatctgaatg gtcgttactt cggcggtcgc gttgtcaaag
     1141 catgcgcggc cgcataataa accgatacaa ttaaaggctc cttttggagc cttttttttg
     1201 gagattttca acgtgaaaaa attattattc gcaattcctt tagttgttcc tttctattct
     1261 cactccgctg aaactgttga aagttgttta gcaaaacccc atacagaaaa ttcatttact
     1321 aacgtctgga aagacgacaa aactttagat cgttacgcta actatgaggg ctgtctgtgg
     1381 aatgctacag gcgttgtagt ttgtactggt gacgaaactc agtgtctagc tagagtggcg
     1441 gtggctctgg ttccggtgat tttgattatg aaaagatggc aaacgctaat aagggggcta
     1501 tgaccgaaaa tgccgatgaa aacgcgctac agtctgacgc taaaggcaaa cttgattctg
     1561 tcgctactga ttacggtgct gctatcgatg gtttcattgg tgacgtttcc ggccttgcta
     1621 atggtaatgg tgctactggt gattttgctg gctctaattc ccaaatggct caagtcggtg
     1681 acggtgataa ttcaccttta atgaataatt tccgtcaata tttaccttcc ctccctcaat
     1741 cggttgaatg tcgccctttt gtctttggcg ctggtaaacc atatgaattt tctattgatt
     1801 gtgacaaaat aaacttattc cgtggtgtct ttgcgtttct tttatatgtt gccaccttta
     1861 tgtatgtatt ttctacgttt gctaacatac tgcgtaataa ggagtcttaa tcatgccagt
     1921 tcttttggct agcgccgccc tataccttgt ctgcctcccc gcgttgcgtc gcggtgcatg
     1981 gagccgggcc acctcgacct gaatggaagc cggcggcacc tcgctaacgg attcaccact
     2041 ccaagaattg gagccaatca attcttgcgg agaactgtga atgcgcaaac caacccttgg
     2101 cagaacatat ccatcgcgtc cgccatctcc agcagccgca cgcggcgcat ctcgggcagc
     2161 gttgggtcct ggccacgggt gcgcatgatc gtgctcctgt cgttgaggac ccggctaggc
     2221 tggcggggtt gccttactgg ttagcagaat gaatcaccga tacgcgagcg aacgtgaagc
     2281 gactgctgct gcaaaacgtc tgcgacctga gcaacaacat gaatggtctt cggtttccgt
     2341 gtttcgtaaa gtctggaaac gcggaagtca gcgccctgca ccattatgtt ccggatctgc
     2401 atcgcaggat gctgctggct accctgtgga acacctacat ctgtattaac gaagcgctgg
     2461 cattgaccct gagtgatttt tctctggtcc cgccgcatcc ataccgccag ttgtttaccc
     2521 tcacaacgtt ccagtaaccg ggcatgttca tcatcagtaa cccgtatcgt gagcatcctc
     2581 tctcgtttca tcggtatcat tacccccatg aacagaaatc ccccttacac ggaggcatca
     2641 gtgaccaaac aggaaaaaac cgcccttaac atggcccgct ttatcagaag ccagacatta
     2701 acgcttctgg agaaactcaa cgagctggac gcggatgaac aggcagacat ctgtgaatcg
     2761 cttcacgacc acgctgatga gctttaccgc aggatccgcg aaattgtaag cgttaatatt
     2821 ttgttaaaat tcgcgttaaa tttttgttaa atcagctcat tttttaacca ataggccgaa
     2881 atcggcaaaa tcccttataa atcaaaagaa tagaccgaga tagggttgag tgttgttcca
     2941 gtttggaaca agagtccact attaaagaac gtggactcca acgtcaaagg gcgaaaaacc
     3001 gtctatcagg gcgatggccc actacgtgaa ccatcaccct aatcaagttt tttggggtcg
     3061 aggtgccgta aagcactaaa tcggaaccct aaagggagcc cccgatttag agcttgacgg
     3121 ggaaagccgg cgaacgtggc gagaaaggaa gggaagaaag cgaaaggagc gggcgctagg
     3181 gcgctggcaa gtgtagcggt cacgctgcgc gtaaccacca cacccgccgc gcttaatgcg
     3241 ccgctacagg gcgcgtcgcg gatcctgcct cgcgcgtttc ggtgatgacg gtgaaaacct
     3301 ctgacacatg cagctcccgg agacggtcac agcttgtctg taagcggatg ccgggagcag
     3361 acaagcccgt cagggcgcgt cagcgggtgt tggcgggtgt cggggcgcag ccatgaccca
     3421 gtcacgtagc gatagcggag tgtatactgg cttaactatg cggcatcaga gcagattgta
     3481 ctgagagtgc accatatgcg gtgtgaaata ccgcacagat gcgtaaggag aaaataccgc
     3541 atcaggcgct cttccgcttc ctcgctcact gactcgctgc gctcggtcgt tcggctgcgg
     3601 cgagcggtat cagctcactc aaaggcggta atacggttat ccacagaatc aggggataac
     3661 gcaggaaaga acatgtgagc aaaaggccag caaaaggcca ggaaccgtaa aaaggccgcg
     3721 ttgctggcgt ttttccatag gctccgcccc cctgacgagc atcacaaaaa tcgacgctca
     3781 agtcagaggt ggcgaaaccc gacaggacta taaagatacc agggtttccc cctggaagct
     3841 ccctcgtgcg ctctcctgtt ccgaccctgc cgcttaccgg atacctgtcc gcctttctcc
     3901 cttcgggaag cgtggcgctt tctcatagct cacgctgtag gtatctcagt tcggtgtagg
     3961 tcgttcgctc caagctgggc tgtgtgcacg aaccccccgt tcagcccgac cgctgcgcct
     4021 tatccggtaa ctatcgtctt gagtccaacc cggtaagaca cgacttatcg ccactggcag
     4081 cagccactgg taacaggatt agcagagcga ggtatgtagg cggtgctaca gagttcttga
     4141 agtggtggcc taactacggc tacactagaa ggacagtatt tggtatctgc gctctgctga
     4201 agccagttac cttcggaaaa agagttggta gctcttgatc cggcaaacaa accaccgctg
     4261 gtagcggtgg tttttttgtt tgcaagcagc agattacgcg cagaaaaaaa ggatctcaag
     4321 aagatccttt gatcttttct acggggtctg acgctcagtg gaacgaaaac tcacgttaag
     4381 ggattttggt catgagatta tcaaaaagga tcttcaccta gatcctttta aattaaaaat
     4441 gaagttttaa atcaatctaa agtatatatg agtaaacttg gtctgacagt taccaatgct
     4501 taatcagtga ggcacctatc tcagcgatct gtctatttcg ttcatccata gttgcctgac
     4561 tccccgtcgt gtagataact acgatacggg agggcttacc atctggcccc agtgctgcaa
     4621 tgataccgcg agacccacgc tcaccggctc cagatttatc agcaataaac cagccagccg
     4681 gaagggccga gcgcagaagt ggtcctgcaa ctttatccgc ctccatccag tctattaatt
     4741 gttgccggga agctagagta agtagttcgc cagttaatag tttgcgcaac gttgttgcca
     4801 ttgctgcagg catcgtggtg tcacgctcgt cgtttggtat ggcttcattc agctccggtt
     4861 cccaacgatc aaggcgagtt acatgatccc ccatgttgtg caaaaaagcg gttagctcct
     4921 tcggtcctcc gatcgttgtc agaagtaagt tggccgcagt gttatcactc atggttatgg
     4981 cagcactgca taattctctt actgtcatgc catccgtaag atgcttttct gtgactggtg
     5041 agtactcaac caagtcattc tgagaatagt gtatgcggcg accgagttgc tcttgcccgg
     5101 cgtcaacacg ggataatacc gcgccacata gcagaacttt aaaagtgctc atcattggaa
     5161 aacgttcttc ggggcgaaaa ctctcaagga tcttaccgct gttgagatcc agttcgatgt
     5221 aacccactcg tgcacccaac tgatcttcag catcttttac tttcaccagc gtttctgggt
     5281 gagcaaaaac aggaaggcaa aatgccgcaa aaaagggaat aagggcgaca cggaaatgtt
     5341 gaatactcat actcttcctt tttcaatatt attgaagcat ttatcagggt tattgtctca
     5401 tgagcggata catatttgaa tgtatttaga aaaataaaca aataggggtt ccgcgcacat
     5461 ttccccgaaa agtgccacct gacgtctaag aaaccattat tatcatgaca ttaacctata
     5521 aaaataggcg tatcacgagg ccctttcgtc ttcaagaatt cccgacacca tcgaatggtg
     5581 caaaaccttt cgcggtatgg catgatagcg cccggaagag agtcaattca gggtggtgaa
     5641 tgtgaaacca gtaacgttat acgatgtcgc agagtatgcc ggtgtctctt atcagaccgt
     5701 ttcccgcgtg gtgaaccagg ccagccacgt ttctgcgaaa acgcgggaaa aagtggaagc
     5761 ggcgatggcg gagctgaatt acattcccaa ccgcgtggca caacaactgg cgggcaaaca
     5821 gtcgttgctg attggcgttg ccacctccag tctggccctg cacgcgccgt cgcaaattgt
     5881 cgcggcgatt aaatctcgcg ccgatcaact gggtgccagc gtggtggtgt cgatggtaga
     5941 acgaagcggc gtcgaagcct gtaaagcggc ggtgcacaat cttctcgcgc aacgcgtcag
     6001 tgggctgatc attaactatc cgctggatga ccaggatgcc attgctgtgg aagctgcctg
     6061 cactaatgtt ccggcgttat ttcttgatgt ctctgaccag acacccatca acagtattat
     6121 tttctcccat gaagacggta cgcgactggg cgtggagcat ctggtcgcat tgggtcacca
     6181 gcaaatcgcg ctgttagcgg gcccattaag ttctgtctcg gcgcgtctgc gtctggctgg
     6241 ctggcataaa tatctcactc gcaatcaaat tcagccgata gcggaacggg aaggcgactg
     6301 gagtgccatg tccggttttc aacaaaccat gcaaatgctg aatgagggca tcgttcccac
     6361 tgcgatgctg gttgccaacg atcagatggc gctgggcgca atgcgcgcca ttaccgagtc
     6421 cgggctgcgc gttggtgcgg atatctcggt agtgggatac gacgataccg aagacagctc
     6481 atgttatatc ccgccgttaa ccaccatcaa acaggatttt cgcctgctgg ggcaaaccag
     6541 cgtggaccgc ttgctgcaac tctctcaggg ccaggcggtg aagggcaatc agctgttgcc
     6601 cgtctcactg gtgaaaagaa aaaccaccct ggcgcccaat acgcaaaccg cctctccccg
     6661 cgcgttggcc gattcattaa tgcagctggc acgacaggtt tcccgactgg aaagcgggca
     6721 gtgagcgcaa cgcaattaat gtaagttagc tcactcatta ggcacaattc tcatgtttga
     6781 cagcttatca tcgactgcac ggtgcaccaa tgcttctggc gtcaggcagc catcggaagc
     6841 tgtggtatgg ctgtgcaggt cgtaaatcac tgcataattc gtgtcgctca aggcgcactc
     6901 ccgttctgga taatgttttt tgcgccgaca tcataacggt tctggcaaat attctgaaat
     6961 gagctg
//
