LOCUS       sequence-218409-        7129 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  ER-targeted superfolder pHluorin for improved pH measurements in the
            ER of S. cerevisiae.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 7129)
  AUTHORS   Reifenrath M, Boles E
  TITLE     A superfolder variant of pH-sensitive pHluorin for in vivo pH 
            measurements in the endoplasmic reticulum.
  JOURNAL   Sci Rep. 2018 Aug 10;8(1):11985. doi: 10.1038/s41598-018-30367-z.
  PUBMED    30097598
REFERENCE   2  (bases 1 to 7129)
  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: "Sci Rep."; 
            date: "2018-08-10"; volume: "8(1):11985. doi"; pages: " 
            10.1038/s41598-018-30367-z"
COMMENT     Sequence Label: p426MET25_SSKar2-sfpHluorin-HDEL (ER-sfpHluori...
FEATURES             Location/Qualifiers
     source          1..7129
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     primer_bind     complement(10..28)
                     /label=pBRforEco
                     /note="pBR322 vectors, upsteam of EcoRI site, forward 
                     primer"
     rep_origin      69..1411
                     /label=2u ori
                     /note="yeast 2u plasmid origin of replication"
     protein_bind    401..448
                     /label=FRT
                     /bound_moiety="FLP recombinase from the Saccharomyces 
                     cerevisiae 2u plasmid"
                     /note="FLP-mediated recombination occurs in the 8-bp core 
                     sequence TCTAGAAA (Turan and Bode, 2011)."
     promoter        1438..1542
                     /gene="bla"
                     /label=AmpR promoter
     CDS             join(1543..1611,1612..2403)
                     /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     complement(1761..1780)
                     /label=Amp-R
                     /note="Ampicillin resistance gene, reverse primer"
     rep_origin      2574..3162
                     /direction=RIGHT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     3063..3082
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     primer_bind     3316..3333
                     /label=L4440
                     /note="L4440 vector, forward primer"
     promoter        join(3486..3491,3492..3509,3510..3516)
                     /label=lac promoter
                     /note="promoter for the E. coli lac operon"
     protein_bind    3524..3540
                     /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     3529..3551
                     /label=M13/pUC Reverse
                     /note="In lacZ gene"
     primer_bind     3548..3564
                     /label=M13 rev
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     primer_bind     3548..3564
                     /label=M13 Reverse
                     /note="In lacZ gene. Also called M13-rev"
     primer_bind     3583..3603
                     /label=T3
                     /note="T3 promoter, forward primer"
     promoter        3585..3603
                     /label=T3 promoter
                     /note="promoter for bacteriophage T3 RNA polymerase"
     promoter        3654..4003
                     /gene="S. cerevisiae MET17"
                     /gene_synonym="MET15; MET25"
                     /label=MET17 promoter
                     /note="expression is repressed by methionine"
     CDS             4137..4847
                     /codon_start=1
                     /product="GFP variant that folds robustly even when fused 
                     to poorly folded proteins (Nager et al., 2011)"
                     /label=superfolder GFP
                     /translation="SKGEELFTGVVPILVELDGDVNGHKFSVRGEGEGDATNGKLTLKF
                     ICTTGKLPVPWPTLVTTLSYGVQCFSRYPDHMKRHDFFKSAMPEGYVQERTISFKDDGT
                     YKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNFNEHLVYITADKQKNGTKAI
                     FQVHHNVEDGSVQLADHYQQNTPIGDGPVLLPDNHYLHTQSVLSKDPNEKRDHMVLLEF
                     VTAAGITHGMDELYK"
     primer_bind     complement(4164..4192)
                     /label=GFP-R
                     /note="GFP, reverse primer. Does NOT anneal to EGFP"
     primer_bind     4787..4807
                     /label=GFP-F
                     /note="GFP, forward primer. Does NOT anneal to EGFP"
     terminator      4869..5116
                     /gene="S. cerevisiae CYC1"
                     /label=CYC1 terminator
                     /note="transcription terminator for CYC1"
     primer_bind     complement(4885..4903)
                     /label=CYC1
                     /note="CYC1 transcription termination signal, reverse 
                     primer"
     primer_bind     complement(5134..5153)
                     /label=T7
                     /note="T7 promoter, forward primer"
     promoter        complement(5135..5153)
                     /label=T7 promoter
                     /note="promoter for bacteriophage T7 RNA polymerase"
     primer_bind     complement(5163..5180)
                     /label=M13 Forward
                     /note="In lacZ gene. Also called M13-F20 or M13 (-21) 
                     Forward"
     primer_bind     complement(5163..5179)
                     /label=M13 fwd
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     primer_bind     complement(5172..5194)
                     /label=M13/pUC Forward
                     /note="In lacZ gene"
     rep_origin      5324..5779
                     /direction=RIGHT
                     /label=f1 ori
                     /note="f1 bacteriophage origin of replication; arrow 
                     indicates direction of (+) strand synthesis"
     primer_bind     complement(5411..5430)
                     /label=F1ori-R
                     /note="F1 origin, reverse primer"
     primer_bind     5621..5642
                     /label=F1ori-F
                     /note="F1 origin, forward primer"
     CDS             complement(5910..6713)
                     /codon_start=1
                     /gene="S. cerevisiae URA3"
                     /product="orotidine-5'-phosphate decarboxylase, required 
                     for uracil biosynthesis"
                     /label=URA3
                     /note="yeast auxotrophic marker, counterselectable with 
                     5-fluoroorotic acid (5-FOA)"
                     /translation="MSKATYKERAATHPSPVAAKLFNIMHEKQTNLCASLDVRTTKELL
                     ELVEALGPKICLLKTHVDILTDFSMEGTVKPLKALSAKYNFLLFEDRKFADIGNTVKLQ
                     YSAGVYRIAEWADITNAHGVVGPGIVSGLKQAAEEVTKEPRGLLMLAELSCKGSLSTGE
                     YTKGTVDIAKSDKDFVIGFIAQRDMGGRDEGYDWLIMTPGVGLDDKGDALGQQYRTVDD
                     VVSTGSDIIIVGRGLFAKGRDAKVEGERYRKAGWEAYLRRCGQQN"
     promoter        complement(6714..6934)
                     /gene="S. cerevisiae URA3"
                     /label=URA3 promoter
     primer_bind     complement(6960..6979)
                     /label=pRS-marker
                     /note="pRS vectors, use to sequence yeast selectable 
                     marker"
     primer_bind     7079..7101
                     /label=pGEX 3'
                     /note="pGEX vectors, reverse primer"
ORIGIN
        1 gacgaaaggg cctcgtgata cgcctatttt tataggttaa tgtcatgata ataatggttt
       61 cttagtatga tccaatatca aaggaaatga tagcattgaa ggatgagact aatccaattg
      121 aggagtggca gcatatagaa cagctaaagg gtagtgctga aggaagcata cgataccccg
      181 catggaatgg gataatatca caggaggtac tagactacct ttcatcctac ataaatagac
      241 gcatataagt acgcatttaa gcataaacac gcactatgcc gttcttctca tgtatatata
      301 tatacaggca acacgcagat ataggtgcga cgtgaacagt gagctgtatg tgcgcagctc
      361 gcgttgcatt ttcggaagcg ctcgttttcg gaaacgcttt gaagttccta ttccgaagtt
      421 cctattctct agaaagtata ggaacttcag agcgcttttg aaaaccaaaa gcgctctgaa
      481 gacgcacttt caaaaaacca aaaacgcacc ggactgtaac gagctactaa aatattgcga
      541 ataccgcttc cacaaacatt gctcaaaagt atctctttgc tatatatctc tgtgctatat
      601 ccctatataa cctacccatc cacctttcgc tccttgaact tgcatctaaa ctcgacctct
      661 acatttttta tgtttatctc tagtattact ctttagacaa aaaaattgta gtaagaacta
      721 ttcatagagt gaatcgaaaa caatacgaaa atgtaaacat ttcctatacg tagtatatag
      781 agacaaaata gaagaaaccg ttcataattt tctgaccaat gaagaatcat caacgctatc
      841 actttctgtt cacaaagtat gcgcaatcca catcggtata gaatataatc ggggatgcct
      901 ttatcttgaa aaaatgcacc cgcagcttcg ctagtaatca gtaaacgcgg gaagtggagt
      961 caggcttttt ttatggaaga gaaaatagac accaaagtag ccttcttcta accttaacgg
     1021 acctacagtg caaaaagtta tcaagagact gcattataga gcgcacaaag gagaaaaaaa
     1081 gtaatctaag atgctttgtt agaaaaatag cgctctcggg atgcattttt gtagaacaaa
     1141 aaagaagtat agattctttg ttggtaaaat agcgctctcg cgttgcattt ctgttctgta
     1201 aaaatgcagc tcagattctt tgtttgaaaa attagcgctc tcgcgttgca tttttgtttt
     1261 acaaaaatga agcacagatt cttcgttggt aaaatagcgc tttcgcgttg catttctgtt
     1321 ctgtaaaaat gcagctcaga ttctttgttt gaaaaattag cgctctcgcg ttgcattttt
     1381 gttctacaaa atgaagcaca gatgcttcgt tcaggtggca cttttcgggg aaatgtgcgc
     1441 ggaaccccta tttgtttatt tttctaaata cattcaaata tgtatccgct catgagacaa
     1501 taaccctgat aaatgcttca ataatattga aaaaggaaga gtatgagtat tcaacatttc
     1561 cgtgtcgccc ttattccctt ttttgcggca ttttgccttc ctgtttttgc tcacccagaa
     1621 acgctggtga aagtaaaaga tgctgaagat cagttgggtg cacgagtggg ttacatcgaa
     1681 ctggatctca acagcggtaa gatccttgag agttttcgcc ccgaagaacg ttttccaatg
     1741 atgagcactt ttaaagttct gctatgtggc gcggtattat cccgtattga cgccgggcaa
     1801 gagcaactcg gtcgccgcat acactattct cagaatgact tggttgagta ctcaccagtc
     1861 acagaaaagc atcttacgga tggcatgaca gtaagagaat tatgcagtgc tgccataacc
     1921 atgagtgata acactgcggc caacttactt ctgacaacga tcggaggacc gaaggagcta
     1981 accgcttttt tgcacaacat gggggatcat gtaactcgcc ttgatcgttg ggaaccggag
     2041 ctgaatgaag ccataccaaa cgacgagcgt gacaccacga tgcctgtagc aatggcaaca
     2101 acgttgcgca aactattaac tggcgaacta cttactctag cttcccggca acaattaata
     2161 gactggatgg aggcggataa agttgcagga ccacttctgc gctcggccct tccggctggc
     2221 tggtttattg ctgataaatc tggagccggt gagcgtgggt ctcgcggtat cattgcagca
     2281 ctggggccag atggtaagcc ctcccgtatc gtagttatct acacgacggg gagtcaggca
     2341 actatggatg aacgaaatag acagatcgct gagataggtg cctcactgat taagcattgg
     2401 taactgtcag accaagttta ctcatatata ctttagattg atttaaaact tcatttttaa
     2461 tttaaaagga tctaggtgaa gatccttttt gataatctca tgaccaaaat cccttaacgt
     2521 gagttttcgt tccactgagc gtcagacccc gtagaaaaga tcaaaggatc ttcttgagat
     2581 cctttttttc tgcgcgtaat ctgctgcttg caaacaaaaa aaccaccgct accagcggtg
     2641 gtttgtttgc cggatcaaga gctaccaact ctttttccga aggtaactgg cttcagcaga
     2701 gcgcagatac caaatactgt ccttctagtg tagccgtagt taggccacca cttcaagaac
     2761 tctgtagcac cgcctacata cctcgctctg ctaatcctgt taccagtggc tgctgccagt
     2821 ggcgataagt cgtgtcttac cgggttggac tcaagacgat agttaccgga taaggcgcag
     2881 cggtcgggct gaacgggggg ttcgtgcaca cagcccagct tggagcgaac gacctacacc
     2941 gaactgagat acctacagcg tgagctatga gaaagcgcca cgcttcccga agggagaaag
     3001 gcggacaggt atccggtaag cggcagggtc ggaacaggag agcgcacgag ggagcttcca
     3061 gggggaaacg cctggtatct ttatagtcct gtcgggtttc gccacctctg acttgagcgt
     3121 cgatttttgt gatgctcgtc aggggggcgg agcctatgga aaaacgccag caacgcggcc
     3181 tttttacggt tcctggcctt ttgctggcct tttgctcaca tgttctttcc tgcgttatcc
     3241 cctgattctg tggataaccg tattaccgcc tttgagtgag ctgataccgc tcgccgcagc
     3301 cgaacgaccg agcgcagcga gtcagtgagc gaggaagcgg aagagcgccc aatacgcaaa
     3361 ccgcctctcc ccgcgcgttg gccgattcat taatgcagct ggcacgacag gtttcccgac
     3421 tggaaagcgg gcagtgagcg caacgcaatt aatgtgagtt acctcactca ttaggcaccc
     3481 caggctttac actttatgct tccggctcct atgttgtgtg gaattgtgag cggataacaa
     3541 tttcacacag gaaacagcta tgaccatgat tacgccaagc gcgcaattaa ccctcactaa
     3601 agggaacaaa agctggagct ccggatgcaa gggttcgaat cccttagctc tcattatttt
     3661 ttgctttttc tcttgaggtc acatgatcgc aaaatggcaa atggcacgtg aagctgtcga
     3721 tattggggaa ctgtggtggt tggcaaatga ctaattaagt tagtcaaggc gccatcctca
     3781 tgaaaactgt gtaacataat aaccgaagtg tcgaaaaggt ggcaccttgt ccaattgaac
     3841 acgctcgatg aaaaaaataa gatatatata aggttaagta aagcgtctgt tagaaaggaa
     3901 gtttttcctt tttcttgctc tcttgtcttt tcatctacta tttccttcgt gtaatacagg
     3961 gtcgtcagat acatagatac aattctatta cccccatcca tactctagaa atgtttttca
     4021 acagactaag cgctggcaag ctgctggtac cactctccgt ggtcctgtac gcccttttcg
     4081 tggtaatatt acctttacag aattctttcc actcctccaa tgttttagtt agaggtagca
     4141 aaggagaaga acttttcact ggagttgtcc caattcttgt tgaattagat ggtgatgtta
     4201 atgggcacaa attttctgtc cgtggagagg gtgaaggtga tgctacaaac ggaaaactca
     4261 cccttaaatt tatttgcact actggaaaac tacctgttcc gtggccaaca cttgtcacta
     4321 ctctgtctta tggtgttcaa tgcttttccc gttatccgga tcacatgaaa cggcatgact
     4381 ttttcaagag tgccatgccc gaaggttatg tacaggaacg cactatatct ttcaaagatg
     4441 acgggaccta caagacgcgt gctgaagtca agtttgaagg tgataccctt gttaatcgta
     4501 tcgagttaaa gggtattgat tttaaagaag atggaaacat tcttggacac aaactcgagt
     4561 acaactttaa cgagcacttg gtatacatca cggcagacaa acaaaagaat ggaaccaaag
     4621 ctatcttcca agttcaccac aacgttgaag atggttccgt tcaactagca gaccattatc
     4681 aacaaaatac tccaattggc gatggccctg tccttttacc agacaaccat tacctgcaca
     4741 cacaatctgt cctttcgaaa gatcccaacg aaaagcgtga ccacatggtc cttcttgagt
     4801 ttgtaactgc tgctgggatt acacatggca tggatgagct ctacaaattc gaacacgacg
     4861 aattgtagtc atgtaattag ttatgtcacg cttacattca cgccctcccc ccacatccgc
     4921 tctaaccgaa aaggaaggag ttagacaacc tgaagtctag gtccctattt atttttttat
     4981 agttatgtta gtattaagaa cgttatttat atttcaaatt tttctttttt ttctgtacag
     5041 acgcgtgtac gcatgtaaca ttatactgaa aaccttgctt gagaaggttt tgggacgctc
     5101 gaaggcttta atttgcggcc ggtacccaat tcgccctata gtgagtcgta ttacgcgcgc
     5161 tcactggccg tcgttttaca acgtcgtgac tgggaaaacc ctggcgttac ccaacttaat
     5221 cgccttgcag cacatccccc tttcgccagc tggcgtaata gcgaagaggc ccgcaccgat
     5281 cgcccttccc aacagttgcg cagcctgaat ggcgaatggc gcgacgcgcc ctgtagcggc
     5341 gcattaagcg cggcgggtgt ggtggttacg cgcagcgtga ccgctacact tgccagcgcc
     5401 ctagcgcccg ctcctttcgc tttcttccct tcctttctcg ccacgttcgc cggctttccc
     5461 cgtcaagctc taaatcgggg gctcccttta gggttccgat ttagtgcttt acggcacctc
     5521 gaccccaaaa aacttgatta gggtgatggt tcacgtagtg ggccatcgcc ctgatagacg
     5581 gtttttcgcc ctttgacgtt ggagtccacg ttctttaata gtggactctt gttccaaact
     5641 ggaacaacac tcaaccctat ctcggtctat tcttttgatt tataagggat tttgccgatt
     5701 tcggcctatt ggttaaaaaa tgagctgatt taacaaaaat ttaacgcgaa ttttaacaaa
     5761 atattaacgt ttacaatttc ctgatgcggt attttctcct tacgcatctg tgcggtattt
     5821 cacaccgcat agggtaataa ctgatataat taaattgaag ctctaatttg tgagtttagt
     5881 atacatgcat ttacttataa tacagttttt tagttttgct ggccgcatct tctcaaatat
     5941 gcttcccagc ctgcttttct gtaacgttca ccctctacct tagcatccct tccctttgca
     6001 aatagtcctc ttccaacaat aataatgtca gatcctgtag agaccacatc atccacggtt
     6061 ctatactgtt gacccaatgc gtctcccttg tcatctaaac ccacaccggg tgtcataatc
     6121 aaccaatcgt aaccttcatc tcttccaccc atgtctcttt gagcaataaa gccgataaca
     6181 aaatctttgt cgctcttcgc aatgtcaaca gtacccttag tatattctcc agtagatagg
     6241 gagcccttgc atgacaattc tgctaacatc aaaaggcctc taggttcctt tgttacttct
     6301 tctgccgcct gcttcaaacc gctaacaata cctgggccca ccacaccgtg tgcattcgta
     6361 atgtctgccc attctgctat tctgtataca cccgcagagt actgcaattt gactgtatta
     6421 ccaatgtcag caaattttct gtcttcgaag agtaaaaaat tgtacttggc ggataatgcc
     6481 tttagcggct taactgtgcc ctccatggaa aaatcagtca agatatccac atgtgttttt
     6541 agtaaacaaa ttttgggacc taatgcttca actaactcca gtaattcctt ggtggtacga
     6601 acatccaatg aagcacacaa gtttgtttgc ttttcgtgca tgatattaaa tagcttggca
     6661 gcaacaggac taggatgagt agcagcacgt tccttatatg tagctttcga catgatttat
     6721 cttcgtttcc tgcaggtttt tgttctgtgc agttgggtta agaatactgg gcaatttcat
     6781 gtttcttcaa cactacatat gcgtatatat accaatctaa gtctgtgctc cttccttcgt
     6841 tcttccttct gttcggagat taccgaatca aaaaaatttc aaagaaaccg aaatcaaaaa
     6901 aaagaataaa aaaaaaatga tgaattgaat tgaaaagctg tggtatggtg cactctcagt
     6961 acaatctgct ctgatgccgc atagttaagc cagccccgac acccgccaac acccgctgac
     7021 gcgccctgac gggcttgtct gctcccggca tccgcttaca gacaagctgt gaccgtctcc
     7081 gggagctgca tgtgtcagag gttttcaccg tcatcaccga aacgcgcga
//
