LOCUS       sequence-236908-        7492 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  Production of recombinant iGluSnFR R24K medium affinity variant, a 
            single-wavelength glutamate indicator, in E. coli.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 7492)
  AUTHORS   Helassa N, Durst CD, Coates C, Kerruth S, Arif U, Schulze C, Wiegert
            JS, Geeves M, Oertner TG, Torok K
  TITLE     Ultrafast glutamate sensors resolve high-frequency release at 
            Schaffer collateral synapses.
  JOURNAL   Proc Natl Acad Sci U S A. 2018 May 7. pii: 1720648115. doi: 
            10.1073/pnas.1720648115.
  PUBMED    29735711
REFERENCE   2  (bases 1 to 7492)
  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: "Proc Natl 
            Acad Sci U S A. 2018 May 7. pii: 1720648115. doi: 
            10.1073/pnas.1720648115."
COMMENT     Sequence Label: pET41a iGlum
FEATURES             Location/Qualifiers
     source          1..7492
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     rep_origin      12..467
                     /direction=RIGHT
                     /label=f1 ori
                     /note="f1 bacteriophage origin of replication; arrow 
                     indicates direction of (+) strand synthesis"
     primer_bind     complement(99..118)
                     /label=F1ori-R
                     /note="F1 origin, reverse primer"
     primer_bind     309..330
                     /label=F1ori-F
                     /note="F1 origin, forward primer"
     CDS             complement(559..1374)
                     /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(559..1374)
                     /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     1282..1301
                     /label=Kan-R
                     /note="Kanamycin resistance gene, reverse primer"
     primer_bind     1366..1385
                     /label=pENTR-R
                     /note="pENTR vectors, reverse primer"
     rep_origin      1496..2084
                     /direction=RIGHT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     1985..2004
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     primer_bind     2238..2255
                     /label=L4440
                     /note="L4440 vector, forward primer"
     misc_feature    2270..2409
                     /label=bom
                     /note="basis of mobility region from pBR322"
     primer_bind     complement(2335..2354)
                     /label=pRS-marker
                     /note="pRS vectors, use to sequence yeast selectable 
                     marker"
     primer_bind     2495..2517
                     /label=pGEX 3'
                     /note="pGEX vectors, reverse primer"
     CDS             complement(2511..2702)
                     /codon_start=1
                     /gene="rop"
                     /product="Rop protein, which maintains plasmids at low copy
                     number"
                     /label=rop
                     /translation="MTKQEKTALNMARFIRSQTLTLLEKLNELDADEQADICESLHDHA
                     DELYRSCLARFGDDGENL"
     CDS             complement(3274..4356)
                     /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     4318..4337
                     /label=LacI-R
                     /note="LacI, reverse primer"
     promoter        complement(4357..4434)
                     /gene="lacI"
                     /label=lacI promoter
     primer_bind     4640..4659
                     /label=pBRrevBam
                     /note="pBR322 vectors, tet region, downstream of BamHI, 
                     reverse primer"
     primer_bind     4747..4766
                     /label=T7
                     /note="T7 promoter, forward primer"
     promoter        4747..4765
                     /label=T7 promoter
                     /note="promoter for bacteriophage T7 RNA polymerase"
     protein_bind    4766..4790
                     /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             4805..4827
                     /note="efficient ribosome binding site from bacteriophage 
                     T7 gene 10 (Olins and Rangwala, 1989)"
     CDS             4835..5488
                     /codon_start=1
                     /product="glutathione S-transferase from Schistosoma 
                     japonicum"
                     /label=GST
                     /translation="MSPILGYWKIKGLVQPTRLLLEYLEEKYEEHLYERDEGDKWRNKK
                     FELGLEFPNLPYYIDGDVKLTQSMAIIRYIADKHNMLGGCPKERAEISMLEGAVLDIRY
                     GVSRIAYSKDFETLKVDFLSKLPEMLKMFEDRLCHKTYLNGDHVTHPDFMLYDALDVVL
                     YMDPMCLDAFPKLVCFKKRIEAIPQIDKYLKSSKYIAWPLQGWQATFGGGDHPPK"
     primer_bind     5446..5468
                     /label=pGEX 5'
                     /note="pGEX vectors, Glutathione-S-transferase, forward 
                     primer"
     CDS             5516..5533
                     /codon_start=1
                     /product="6xHis affinity tag"
                     /label=6xHis
                     /translation="HHHHHH"
     CDS             5543..5560
                     /codon_start=1
                     /product="thrombin recognition and cleavage site"
                     /label=thrombin site
                     /translation="LVPRGS"
     CDS             5576..5620
                     /codon_start=1
                     /product="affinity and epitope tag derived from pancreatic 
                     ribonuclease A"
                     /label=S-Tag
                     /translation="KETAAAKFERQHMDS"
     CDS             5651..5665
                     /codon_start=1
                     /product="enterokinase recognition and cleavage site"
                     /label=enterokinase site
                     /translation="DDDDK"
     primer_bind     6649..6670
                     /label=EGFP-C
                     /note="EGFP, forward primer"
     primer_bind     complement(6776..6797)
                     /label=EGFP-N
                     /note="EGFP, reverse primer"
     primer_bind     complement(7037..7056)
                     /label=EXFP-R
                     /note="For distinguishing EGFP variants, reverse primer"
     CDS             7320..7343
                     /codon_start=1
                     /product="8xHis affinity tag"
                     /label=8xHis
                     /translation="HHHHHHHH"
     primer_bind     complement(7406..7424)
                     /label=T7 Term
                     /note="T7 terminator, reverse primer"
     terminator      7420..7467
                     /label=T7 terminator
                     /note="transcription terminator for bacteriophage T7 RNA 
                     polymerase"
ORIGIN
        1 tggcgaatgg gacgcgccct gtagcggcgc attaagcgcg gcgggtgtgg tggttacgcg
       61 cagcgtgacc gctacacttg ccagcgccct agcgcccgct cctttcgctt tcttcccttc
      121 ctttctcgcc acgttcgccg gctttccccg tcaagctcta aatcgggggc tccctttagg
      181 gttccgattt agtgctttac ggcacctcga ccccaaaaaa cttgattagg gtgatggttc
      241 acgtagtggg ccatcgccct gatagacggt ttttcgccct ttgacgttgg agtccacgtt
      301 ctttaatagt ggactcttgt tccaaactgg aacaacactc aaccctatct cggtctattc
      361 ttttgattta taagggattt tgccgatttc ggcctattgg ttaaaaaatg agctgattta
      421 acaaaaattt aacgcgaatt ttaacaaaat attaacgctt acaatttagg tggcactttt
      481 cggggaaatg tgcgcggaac ccctatttgt ttatttttct aaatacattc aaatatgtat
      541 ccgctcatga attaattctt agaaaaactc atcgagcatc aaatgaaact gcaatttatt
      601 catatcagga ttatcaatac catatttttg aaaaagccgt ttctgtaatg aaggagaaaa
      661 ctcaccgagg cagttccata ggatggcaag atcctggtat cggtctgcga ttccgactcg
      721 tccaacatca atacaaccta ttaatttccc ctcgtcaaaa ataaggttat caagtgagaa
      781 atcaccatga gtgacgactg aatccggtga gaatggcaaa agtttatgca tttctttcca
      841 gacttgttca acaggccagc cattacgctc gtcatcaaaa tcactcgcat caaccaaacc
      901 gttattcatt cgtgattgcg cctgagcgag acgaaatacg cgatcgctgt taaaaggaca
      961 attacaaaca ggaatcgaat gcaaccggcg caggaacact gccagcgcat caacaatatt
     1021 ttcacctgaa tcaggatatt cttctaatac ctggaatgct gttttcccgg ggatcgcagt
     1081 ggtgagtaac catgcatcat caggagtacg gataaaatgc ttgatggtcg gaagaggcat
     1141 aaattccgtc agccagttta gtctgaccat ctcatctgta acatcattgg caacgctacc
     1201 tttgccatgt ttcagaaaca actctggcgc atcgggcttc ccatacaatc gatagattgt
     1261 cgcacctgat tgcccgacat tatcgcgagc ccatttatac ccatataaat cagcatccat
     1321 gttggaattt aatcgcggcc tagagcaaga cgtttcccgt tgaatatggc tcataacacc
     1381 ccttgtatta ctgtttatgt aagcagacag ttttattgtt catgaccaaa atcccttaac
     1441 gtgagttttc gttccactga gcgtcagacc ccgtagaaaa gatcaaagga tcttcttgag
     1501 atcctttttt tctgcgcgta atctgctgct tgcaaacaaa aaaaccaccg ctaccagcgg
     1561 tggtttgttt gccggatcaa gagctaccaa ctctttttcc gaaggtaact ggcttcagca
     1621 gagcgcagat accaaatact gtccttctag tgtagccgta gttaggccac cacttcaaga
     1681 actctgtagc accgcctaca tacctcgctc tgctaatcct gttaccagtg gctgctgcca
     1741 gtggcgataa gtcgtgtctt accgggttgg actcaagacg atagttaccg gataaggcgc
     1801 agcggtcggg ctgaacgggg ggttcgtgca cacagcccag cttggagcga acgacctaca
     1861 ccgaactgag atacctacag cgtgagctat gagaaagcgc cacgcttccc gaagggagaa
     1921 aggcggacag gtatccggta agcggcaggg tcggaacagg agagcgcacg agggagcttc
     1981 cagggggaaa cgcctggtat ctttatagtc ctgtcgggtt tcgccacctc tgacttgagc
     2041 gtcgattttt gtgatgctcg tcaggggggc ggagcctatg gaaaaacgcc agcaacgcgg
     2101 cctttttacg gttcctggcc ttttgctggc cttttgctca catgttcttt cctgcgttat
     2161 cccctgattc tgtggataac cgtattaccg cctttgagtg agctgatacc gctcgccgca
     2221 gccgaacgac cgagcgcagc gagtcagtga gcgaggaagc ggaagagcgc ctgatgcggt
     2281 attttctcct tacgcatctg tgcggtattt cacaccgcaa tggtgcactc tcagtacaat
     2341 ctgctctgat gccgcatagt taagccagta tacactccgc tatcgctacg tgactgggtc
     2401 atggctgcgc cccgacaccc gccaacaccc gctgacgcgc cctgacgggc ttgtctgctc
     2461 ccggcatccg cttacagaca agctgtgacc gtctccggga gctgcatgtg tcagaggttt
     2521 tcaccgtcat caccgaaacg cgcgaggcag ctgcggtaaa gctcatcagc gtggtcgtga
     2581 agcgattcac agatgtctgc ctgttcatcc gcgtccagct cgttgagttt ctccagaagc
     2641 gttaatgtct ggcttctgat aaagcgggcc atgttaaggg cggttttttc ctgtttggtc
     2701 actgatgcct ccgtgtaagg gggatttctg ttcatggggg taatgatacc gatgaaacga
     2761 gagaggatgc tcacgatacg ggttactgat gatgaacatg cccggttact ggaacgttgt
     2821 gagggtaaac aactggcggt atggatgcgg cgggaccaga gaaaaatcac tcagggtcaa
     2881 tgccagcgct tcgttaatac agatgtaggt gttccacagg gtagccagca gcatcctgcg
     2941 atgcagatcc ggaacataat ggtgcagggc gctgacttcc gcgtttccag actttacgaa
     3001 acacggaaac cgaagaccat tcatgttgtt gctcaggtcg cagacgtttt gcagcagcag
     3061 tcgcttcacg ttcgctcgcg tatcggtgat tcattctgct aaccagtaag gcaaccccgc
     3121 cagcctagcc gggtcctcaa cgacaggagc acgatcatgc tagtcatgcc ccgcgcccac
     3181 cggaaggagc tgactgggtt gaaggctctc aagggcatcg gtcgagatcc cggtgcctaa
     3241 tgagtgagct aacttacatt aattgcgttg cgctcactgc ccgctttcca gtcgggaaac
     3301 ctgtcgtgcc agctgcatta atgaatcggc caacgcgcgg ggagaggcgg tttgcgtatt
     3361 gggcgccagg gtggtttttc ttttcaccag tgagacgggc aacagctgat tgcccttcac
     3421 cgcctggccc tgagagagtt gcagcaagcg gtccacgctg gtttgcccca gcaggcgaaa
     3481 atcctgtttg atggtggtta acggcgggat ataacatgag ctgtcttcgg tatcgtcgta
     3541 tcccactacc gagatgtccg caccaacgcg cagcccggac tcggtaatgg cgcgcattgc
     3601 gcccagcgcc atctgatcgt tggcaaccag catcgcagtg ggaacgatgc cctcattcag
     3661 catttgcatg gtttgttgaa aaccggacat ggcactccag tcgccttccc gttccgctat
     3721 cggctgaatt tgattgcgag tgagatattt atgccagcca gccagacgca gacgcgccga
     3781 gacagaactt aatgggcccg ctaacagcgc gatttgctgg tgacccaatg cgaccagatg
     3841 ctccacgccc agtcgcgtac cgtcttcatg ggagaaaata atactgttga tgggtgtctg
     3901 gtcagagaca tcaagaaata acgccggaac attagtgcag gcagcttcca cagcaatggc
     3961 atcctggtca tccagcggat agttaatgat cagcccactg acgcgttgcg cgagaagatt
     4021 gtgcaccgcc gctttacagg cttcgacgcc gcttcgttct accatcgaca ccaccacgct
     4081 ggcacccagt tgatcggcgc gagatttaat cgccgcgaca atttgcgacg gcgcgtgcag
     4141 ggccagactg gaggtggcaa cgccaatcag caacgactgt ttgcccgcca gttgttgtgc
     4201 cacgcggttg ggaatgtaat tcagctccgc catcgccgct tccacttttt cccgcgtttt
     4261 cgcagaaacg tggctggcct ggttcaccac gcgggaaacg gtctgataag agacaccggc
     4321 atactctgcg acatcgtata acgttactgg tttcacattc accaccctga attgactctc
     4381 ttccgggcgc tatcatgcca taccgcgaaa ggttttgcgc cattcgatgg tgtccgggat
     4441 ctcgacgctc tcccttatgc gactcctgca ttaggaagca gcccagtagt aggttgaggc
     4501 cgttgagcac cgccgccgca aggaatggtg catgcaagga gatggcgccc aacagtcccc
     4561 cggccacggg gcctgccacc atacccacgc cgaaacaagc gctcatgagc ccgaagtggc
     4621 gagcccgatc ttccccatcg gtgatgtcgg cgatataggc gccagcaacc gcacctgtgg
     4681 cgccggtgat gccggccacg atgcgtccgg cgtagaggat cgagatcgat ctcgatcccg
     4741 cgaaattaat acgactcact ataggggaat tgtgagcgga taacaattcc cctctagaaa
     4801 taattttgtt taactttaag aaggagatat acatatgtcc cctatactag gttattggaa
     4861 aattaagggc cttgtgcaac ccactcgact tcttttggaa tatcttgaag aaaaatatga
     4921 agagcatttg tatgagcgcg atgaaggtga taaatggcga aacaaaaagt ttgaattggg
     4981 tttggagttt cccaatcttc cttattatat tgatggtgat gttaaattaa cacagtctat
     5041 ggccatcata cgttatatag ctgacaagca caacatgttg ggtggttgtc caaaagagcg
     5101 tgcagagatt tcaatgcttg aaggagcggt tttggatatt agatacggtg tttcgagaat
     5161 tgcatatagt aaagactttg aaactctcaa agttgatttt cttagcaagc tacctgaaat
     5221 gctgaaaatg ttcgaagatc gtttatgtca taaaacatat ttaaatggtg atcatgtaac
     5281 ccatcctgac ttcatgttgt atgacgctct tgatgttgtt ttatacatgg acccaatgtg
     5341 cctggatgcg ttcccaaaat tagtttgttt taaaaaacgt attgaagcta tcccacaaat
     5401 tgataagtac ttgaaatcca gcaagtatat agcatggcct ttgcagggct ggcaagccac
     5461 gtttggtggt ggcgaccatc ctccaaaatc ggatggttca actagtggtt ctggtcatca
     5521 ccatcaccat cactccgcgg gtctggtgcc acgcggtagt actgcaattg gtatgaaaga
     5581 aaccgctgct gctaaattcg aacgccagca catggacagc ccagatctgg gtaccggtgg
     5641 tggctccggt gatgacgacg acaagagtcc catgggatat cggggatccg ccgcaggcag
     5701 cacgctggac aaaatcgcca aaaacggtgt gattgtcgtc ggtcacaagg aatcttcagt
     5761 gcctttctct tattacgaca atcagcaaaa agtggtgggt tactcgcagg attactccaa
     5821 cgccattgtt gaagcagtga aaaagaaact caacaaaccg gacttgcagg taaaactgat
     5881 tccgattacc tcacaaaacc gtattccact gctgcaaaac ggcactttcg attttgaatg
     5941 tggttctacc accaacaacg tcgaacgcca aaaacaggcg gctttctctg acactatttt
     6001 cgtggtcggt acgcgcctgt tgaccaaaaa gggtggcgat atcaaagatt ttgccaacct
     6061 gaaagacaaa gccgtagtcg tcacttccgg cactacctct gaagttttgc tcaacaaact
     6121 gaatgaagag caaaaaatga atatgcgcat catcagcgcc aaagatcacg gtgactcttt
     6181 ccgcaccctg gaaagcggtc gtgccgttgc ctttatgatg gatgacgtgc tgctggccgg
     6241 tgaacgtgcg aaagcgaaga aaccagacaa ctgggaaatc gtcggcaagc cgcagtctca
     6301 ggaggcctac ggttgtatgt tgcgtaaaga tgatccgcag ttcaaaaagc tgatggatga
     6361 caccatcgct caggtgcaga cctccggtga agcggaaaaa tggtttgata agtggttcaa
     6421 aaatccaatt ctggtgagcc acaacgtcta tatcatggcc gacaagcaga ggaacggcat
     6481 caaggcgaac ttcaagatcc gccacaacat cgaggacggc ggcgtgcagc tcgcctacca
     6541 ctaccagcag aacaccccca tcggcgacgg ccccgtgctg ctgcccgaca accactacct
     6601 gagcacccag tccaaacttt cgaaagaccc caacgagaag cgcgatcaca tggtcctgct
     6661 ggagttcgtg accgccgccg ggatcactct cggcatggac gagctgtaca agggcggtac
     6721 cggagggagc atggtgagca agggcgagga gctgttcacc ggggtggtgc ccatcctggt
     6781 cgagctggac ggcgacgtaa acggccacaa gttcagcgtg tccggcgagg gtgagggcga
     6841 tgccacctac ggcaagctga ccctgaagtt catctgcacc accggcaagc tgcccgtgcc
     6901 ctggcccacc ctcgtgacca ccctgaccta cggcgtgcag tgcttcagcc gctaccccga
     6961 ccacatgaag cagcacgact tcttcaagtc cgccatgccc gaaggctaca tccaggagcg
     7021 caccatcttc ttcaaggacg acggcaacta caagacccgc gccgaggtga agttcgaggg
     7081 cgacaccctg gtgaaccgca tcgagctgaa gggcatcgac ttcaaggagg acggcaacat
     7141 cctggggcat aagctggagt acaactttaa caaccccctg aacatgaatt tcgaactgtc
     7201 agacgaaatg aaagcactgt tcaaagaacc gaatgacaag gcactgaaat aagaattctg
     7261 tacaggcctt ggcgcgcctg caggcgagct ccgtcgacaa gcttgcggcc gcactcgagc
     7321 accaccacca ccaccaccac cactaattga ttaataccta ggctgctaaa caaagcccga
     7381 aaggaagctg agttggctgc tgccaccgct gagcaataac tagcataacc ccttggggcc
     7441 tctaaacggg tcttgagggg ttttttgctg aaaggaggaa ctatatccgg at
//
