LOCUS       sequence-273127-        4790 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  Visualization of the Endoplasmic Reticulum.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 4790)
  AUTHORS   Chertkova AO, Mastop M, Postma M, van Bommel N, van der Niet S, 
            Batenburg KL, Joosen L, Gadella TWJ, Okada Y, Goedhart J
  TITLE     Robust and Bright Genetically Encoded Fluorescent Markers for 
            Highlighting Structures and Compartments in Mammalian Cells
  JOURNAL   bioRxiv (2020) 160374; doi: https://doi.org/10.1101/160374
REFERENCE   2  (bases 1 to 4790)
  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: "bioRxiv 
            (2020) 160374; doi: https://doi.org/10.1101/160374"
COMMENT     Sequence Label: ER-mScarletI
FEATURES             Location/Qualifiers
     source          1..4790
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     enhancer        1..304
                     /label=CMV enhancer
                     /note="human cytomegalovirus immediate early enhancer"
     promoter        305..508
                     /label=CMV promoter
                     /note="human cytomegalovirus (CMV) immediate early 
                     promoter"
     primer_bind     459..479
                     /label=CMV-F
                     /note="Human CMV immediate early promoter, forward primer"
     sig_peptide     581..634
                     /codon_start=1
                     /product="signal sequence of chicken lysozyme"
                     /label=lysozyme signal sequence
                     /translation="MRSLLILVLCFLPLAALG"
     regulatory      683..692
                     /label=Kozak sequence
                     /note="vertebrate consensus sequence for strong initiation 
                     of translation (Kozak, 1987)"
                     /regulatory_class="other"
     CDS             689..1384
                     /codon_start=1
                     /product="bright monomeric red fluorescent protein evolved 
                     from a synthetic template (Bindels et al., 2016)"
                     /label=mScarlet-I
                     /note="matures faster than mScarlet"
                     /translation="MVSKGEAVIKEFMRFKVHMEGSMNGHEFEIEGEGEGRPYEGTQTA
                     KLKVTKGGPLPFSWDILSPQFMYGSRAFIKHPADIPDYYKQSFPEGFKWERVMNFEDGG
                     AVTVTQDTSLEDGTLIYKVKLRGTNFPPDGPVMQKKTMGWEASTERLYPEDGVLKGDIK
                     MALRLKDGGRYLADFKTTYKAKKPVQMPGAYNVDRKLDITSHNEDYTVVEQYERSEGRH
                     STGGMDELYK"
     primer_bind     complement(822..840)
                     /label=mCherry-R
                     /note="mCherry, reverse primer"
     primer_bind     1090..1109
                     /label=mCherry-F
                     /note="mCherry, forward primer"
     polyA_signal    1518..1639
                     /label=SV40 poly(A) signal
                     /note="SV40 polyadenylation signal"
     primer_bind     complement(1555..1574)
                     /label=SV40pA-R
                     /note="SV40 polyA, reverse primer"
     primer_bind     1609..1628
                     /label=EBV-rev
                     /note="SV40 polyA terminator, reverse primer"
     rep_origin      complement(1646..2101)
                     /direction=LEFT
                     /label=f1 ori
                     /note="f1 bacteriophage origin of replication; arrow 
                     indicates direction of (+) strand synthesis"
     primer_bind     complement(1783..1804)
                     /label=F1ori-F
                     /note="F1 origin, forward primer"
     primer_bind     1995..2014
                     /label=F1ori-R
                     /note="F1 origin, reverse primer"
     promoter        2128..2232
                     /gene="bla"
                     /label=AmpR promoter
     promoter        2234..2591
                     /label=SV40 promoter
                     /note="SV40 enhancer and early promoter"
     enhancer        2234..2425
                     /label=SV40 enhancer
                     /note="enhancer for the SV40 early promoter (Herr, 1993)"
     primer_bind     complement(2257..2277)
                     /label=pBABE 3'
                     /note="SV40 enhancer, reverse primer for pBABE vectors"
     rep_origin      2442..2577
                     /label=SV40 ori
                     /note="SV40 origin of replication"
     CDS             2626..3420
                     /codon_start=1
                     /product="aminoglycoside phosphotransferase"
                     /label=NeoR/KanR
                     /note="confers resistance to neomycin, kanamycin, and G418 
                     (Geneticin(R))"
                     /translation="MIEQDGLHAGSPAAWVERLFGYDWAQQTIGCSDAAVFRLSAQGRP
                     VLFVKTDLSGALNELQDEAARLSWLATTGVPCAAVLDVVTEAGRDWLLLGEVPGQDLLS
                     SHLAPAEKVSIMADAMRRLHTLDPATCPFDHQAKHRIERARTRMEAGLVDQDDLDEEHQ
                     GLAPAELFARLKASMPDGEDLVVTHGDACLPNIMVENGRFSGFIDCGRLGVADRYQDIA
                     LATRDIAEELGGEWADRFLVLYGIAAPDSQRIAFYRLLDEFF"
     CDS             2626..3420
                     /codon_start=1
                     /gene="aph(3')-II (or nptII)"
                     /product="aminoglycoside phosphotransferase from Tn5"
                     /label=NeoR/KanR
                     /note="confers resistance to neomycin, kanamycin, and G418 
                     (Geneticin(R))"
                     /translation="MIEQDGLHAGSPAAWVERLFGYDWAQQTIGCSDAAVFRLSAQGRP
                     VLFVKTDLSGALNELQDEAARLSWLATTGVPCAAVLDVVTEAGRDWLLLGEVPGQDLLS
                     SHLAPAEKVSIMADAMRRLHTLDPATCPFDHQAKHRIERARTRMEAGLVDQDDLDEEHQ
                     GLAPAELFARLKASMPDGEDLVVTHGDACLPNIMVENGRFSGFIDCGRLGVADRYQDIA
                     LATRDIAEELGGEWADRFLVLYGIAAPDSQRIAFYRLLDEFF"
     primer_bind     complement(2680..2699)
                     /label=Neo-R
                     /note="Neomycin resistance gene, reverse primer"
     primer_bind     3290..3309
                     /label=Neo-F
                     /note="Neomycin resistance gene, forward primer"
     primer_bind     complement(3608..3627)
                     /label=TK-pA-R
                     /note="Thymidine kinase polyA, reverse primer"
     polyA_signal    3652..3699
                     /label=HSV TK poly(A) signal
                     /note="herpes simplex virus thymidine kinase 
                     polyadenylation signal (Cole and Stacy, 1985)"
     rep_origin      4028..4616
                     /direction=RIGHT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     4517..4536
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
ORIGIN
        1 cgttacataa cttacggtaa atggcccgcc tggctgaccg cccaacgacc cccgcccatt
       61 gacgtcaata atgacgtatg ttcccatagt aacgccaata gggactttcc attgacgtca
      121 atgggtggag tatttacggt aaactgccca cttggcagta catcaagtgt atcatatgcc
      181 aagtacgccc cctattgacg tcaatgacgg taaatggccc gcctggcatt atgcccagta
      241 catgacctta tgggactttc ctacttggca gtacatctac gtattagtca tcgctattac
      301 catggtgatg cggttttggc agtacatcaa tgggcgtgga tagcggtttg actcacgggg
      361 atttccaagt ctccacccca ttgacgtcaa tgggagtttg ttttggcacc aaaatcaacg
      421 ggactttcca aaatgtcgta acaactccgc cccattgacg caaatgggcg gtaggcgtgt
      481 acggtgggag gtctatataa gcagagctgg tttagtgaac cgtcagatcc gctagcgcta
      541 ccggactcag atctcgagct caagcttcga attcgccacc atgaggtctt tgctaatctt
      601 ggtgctttgc ttcctgcccc tggctgctct ggggaaagtc tttggacgat gtgagctggc
      661 agcggctatg aagccaccgg tcgccaccat ggtgagcaag ggcgaggcag tgatcaagga
      721 gttcatgcgg ttcaaggtgc acatggaggg ctccatgaac ggccacgagt tcgagatcga
      781 gggcgagggc gagggccgcc cctacgaggg cacccagacc gccaagctga aggtgaccaa
      841 gggtggcccc ctgcccttct cctgggacat cctgtcccct cagttcatgt acggctccag
      901 ggccttcatc aagcaccccg ccgacatccc cgactactat aagcagtcct tccccgaggg
      961 cttcaagtgg gagcgcgtga tgaacttcga ggacggcggc gccgtgaccg tgacccagga
     1021 cacctccctg gaggacggca ccctgatcta caaggtgaag ctccgcggca ccaacttccc
     1081 tcctgacggc cccgtaatgc agaagaagac aatgggctgg gaagcgtcca ccgagcggtt
     1141 gtaccccgag gacggcgtgc tgaagggcga cattaagatg gccctgcgcc tgaaggacgg
     1201 cggccgctac ctggcggact tcaagaccac ctacaaggcc aagaagcccg tgcagatgcc
     1261 cggcgcctac aacgtcgacc gcaagttgga catcacctcc cacaacgagg actacaccgt
     1321 ggtggaacag tacgaacgct ccgagggccg ccactccacc ggcggcatgg acgagctgta
     1381 caaggatgaa ttgtaagcgg ccgcgactct agatcataat cagccatacc acatttgtag
     1441 aggttttact tgctttaaaa aacctcccac acctccccct gaacctgaaa cataaaatga
     1501 atgcaattgt tgttgttaac ttgtttattg cagcttataa tggttacaaa taaagcaata
     1561 gcatcacaaa tttcacaaat aaagcatttt tttcactgca ttctagttgt ggtttgtcca
     1621 aactcatcaa tgtatcttaa ggcgtaaatt gtaagcgtta atattttgtt aaaattcgcg
     1681 ttaaattttt gttaaatcag ctcatttttt aaccaatagg ccgaaatcgg caaaatccct
     1741 tataaatcaa aagaatagac cgagataggg ttgagtgttg ttccagtttg gaacaagagt
     1801 ccactattaa agaacgtgga ctccaacgtc aaagggcgaa aaaccgtcta tcagggcgat
     1861 ggcccactac gtgaaccatc accctaatca agttttttgg ggtcgaggtg ccgtaaagca
     1921 ctaaatcgga accctaaagg gagcccccga tttagagctt gacggggaaa gccggcgaac
     1981 gtggcgagaa aggaagggaa gaaagcgaaa ggagcgggcg ctagggcgct ggcaagtgta
     2041 gcggtcacgc tgcgcgtaac caccacaccc gccgcgctta atgcgccgct acagggcgcg
     2101 tcaggtggca cttttcgggg aaatgtgcgc ggaaccccta tttgtttatt tttctaaata
     2161 cattcaaata tgtatccgct catgagacaa taaccctgat aaatgcttca ataatattga
     2221 aaaaggaaga gtcctgaggc ggaaagaacc agctgtggaa tgtgtgtcag ttagggtgtg
     2281 gaaagtcccc aggctcccca gcaggcagaa gtatgcaaag catgcatctc aattagtcag
     2341 caaccaggtg tggaaagtcc ccaggctccc cagcaggcag aagtatgcaa agcatgcatc
     2401 tcaattagtc agcaaccata gtcccgcccc taactccgcc catcccgccc ctaactccgc
     2461 ccagttccgc ccattctccg ccccatggct gactaatttt ttttatttat gcagaggccg
     2521 aggccgcctc ggcctctgag ctattccaga agtagtgagg aggctttttt ggaggcctag
     2581 gcttttgcaa agatcgatca agagacagga tgaggatcgt ttcgcatgat tgaacaagat
     2641 ggattgcacg caggttctcc ggccgcttgg gtggagaggc tattcggcta tgactgggca
     2701 caacagacaa tcggctgctc tgatgccgcc gtgttccggc tgtcagcgca ggggcgcccg
     2761 gttctttttg tcaagaccga cctgtccggt gccctgaatg aactgcaaga cgaggcagcg
     2821 cggctatcgt ggctggccac gacgggcgtt ccttgcgcag ctgtgctcga cgttgtcact
     2881 gaagcgggaa gggactggct gctattgggc gaagtgccgg ggcaggatct cctgtcatct
     2941 caccttgctc ctgccgagaa agtatccatc atggctgatg caatgcggcg gctgcatacg
     3001 cttgatccgg ctacctgccc attcgaccac caagcgaaac atcgcatcga gcgagcacgt
     3061 actcggatgg aagccggtct tgtcgatcag gatgatctgg acgaagagca tcaggggctc
     3121 gcgccagccg aactgttcgc caggctcaag gcgagcatgc ccgacggcga ggatctcgtc
     3181 gtgacccatg gcgatgcctg cttgccgaat atcatggtgg aaaatggccg cttttctgga
     3241 ttcatcgact gtggccggct gggtgtggcg gaccgctatc aggacatagc gttggctacc
     3301 cgtgatattg ctgaagagct tggcggcgaa tgggctgacc gcttcctcgt gctttacggt
     3361 atcgccgctc ccgattcgca gcgcatcgcc ttctatcgcc ttcttgacga gttcttctga
     3421 gcgggactct ggggttcgaa atgaccgacc aagcgacgcc caacctgcca tcacgagatt
     3481 tcgattccac cgccgccttc tatgaaaggt tgggcttcgg aatcgttttc cgggacgccg
     3541 gctggatgat cctccagcgc ggggatctca tgctggagtt cttcgcccac cctaggggga
     3601 ggctaactga aacacggaag gagacaatac cggaaggaac ccgcgctatg acggcaataa
     3661 aaagacagaa taaaacgcac ggtgttgggt cgtttgttca taaacgcggg gttcggtccc
     3721 agggctggca ctctgtcgat accccaccga gaccccattg gggccaatac gcccgcgttt
     3781 cttccttttc cccaccccac cccccaagtt cgggtgaagg cccagggctc gcagccaacg
     3841 tcggggcggc aggccctgcc atagcctcag gttactcata tatactttag attgatttaa
     3901 aacttcattt ttaatttaaa aggatctagg tgaagatcct ttttgataat ctcatgacca
     3961 aaatccctta acgtgagttt tcgttccact gagcgtcaga ccccgtagaa aagatcaaag
     4021 gatcttcttg agatcctttt tttctgcgcg taatctgctg cttgcaaaca aaaaaaccac
     4081 cgctaccagc ggtggtttgt ttgccggatc aagagctacc aactcttttt ccgaaggtaa
     4141 ctggcttcag cagagcgcag ataccaaata ctgttcttct agtgtagccg tagttaggcc
     4201 accacttcaa gaactctgta gcaccgccta catacctcgc tctgctaatc ctgttaccag
     4261 tggctgctgc cagtggcgat aagtcgtgtc ttaccgggtt ggactcaaga cgatagttac
     4321 cggataaggc gcagcggtcg ggctgaacgg ggggttcgtg cacacagccc agcttggagc
     4381 gaacgaccta caccgaactg agatacctac agcgtgagct atgagaaagc gccacgcttc
     4441 ccgaagggag aaaggcggac aggtatccgg taagcggcag ggtcggaaca ggagagcgca
     4501 cgagggagct tccaggggga aacgcctggt atctttatag tcctgtcggg tttcgccacc
     4561 tctgacttga gcgtcgattt ttgtgatgct cgtcaggggg gcggagccta tggaaaaacg
     4621 ccagcaacgc ggccttttta cggttcctgg ccttttgctg gccttttgct cacatgttct
     4681 ttcctgcgtt atcccctgat tctgtggata accgtattac cgccatgcat tagttattaa
     4741 tagtaatcaa ttacggggtc attagttcat agcccatata tggagttccg
//
