LOCUS       sequence-291941-        4733 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  Cys-free yellow fluorescent protein for extracellular imaging. SYFP2
            variant (C48S/C70M). Molecular brightness is almost comparable to 
            SYFP2..
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 4733)
  TITLE     cfSBFP2
  JOURNAL   Unpublished
REFERENCE   2  (bases 1 to 4733)
  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: 
            "Unpublished"
COMMENT     Sequence Label: cfSYFP2-N
FEATURES             Location/Qualifiers
     source          1..4733
                     /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"
     misc_feature    531..611
                     /label=MCS
                     /note="multiple cloning site"
     regulatory      613..622
                     /label=Kozak sequence
                     /note="vertebrate consensus sequence for strong initiation 
                     of translation (Kozak, 1987)"
                     /regulatory_class="other"
     CDS             join(619..621,622..624,625..1335)
                     /codon_start=1
                     /product="monomeric optimized variant of EYFP, identical to
                     mVenus but with L68V (Kremers et al., 2006)"
                     /label=SYFP2
                     /note="mammalian codon-optimized"
                     /translation="MVSKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTL
                     KLISTTGKLPVPWPTLVTTLGYGVQMFARYPDHMKQHDFFKSAMPEGYVQERTIFFKDD
                     GNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYITADKQKNGIK
                     ANFKIRHNIEDGGVQLADHYQQNTPIGDGPVLLPDNHYLSYQSKLSKDPNEKRDHMVLL
                     EFVTAAGITLGMDELYK"
     primer_bind     complement(664..685)
                     /label=EGFP-N
                     /note="EGFP, reverse primer"
     primer_bind     complement(925..944)
                     /label=EXFP-R
                     /note="For distinguishing EGFP variants, reverse primer"
     primer_bind     1272..1293
                     /label=EGFP-C
                     /note="EGFP, forward primer"
     polyA_signal    1461..1582
                     /label=SV40 poly(A) signal
                     /note="SV40 polyadenylation signal"
     primer_bind     complement(1498..1517)
                     /label=SV40pA-R
                     /note="SV40 polyA, reverse primer"
     primer_bind     1552..1571
                     /label=EBV-rev
                     /note="SV40 polyA terminator, reverse primer"
     rep_origin      complement(1589..2044)
                     /direction=LEFT
                     /label=f1 ori
                     /note="f1 bacteriophage origin of replication; arrow 
                     indicates direction of (+) strand synthesis"
     primer_bind     complement(1726..1747)
                     /label=F1ori-F
                     /note="F1 origin, forward primer"
     primer_bind     1938..1957
                     /label=F1ori-R
                     /note="F1 origin, reverse primer"
     promoter        2071..2175
                     /gene="bla"
                     /label=AmpR promoter
     promoter        2177..2534
                     /label=SV40 promoter
                     /note="SV40 enhancer and early promoter"
     enhancer        2177..2368
                     /label=SV40 enhancer
                     /note="enhancer for the SV40 early promoter (Herr, 1993)"
     primer_bind     complement(2200..2220)
                     /label=pBABE 3'
                     /note="SV40 enhancer, reverse primer for pBABE vectors"
     rep_origin      2385..2520
                     /label=SV40 ori
                     /note="SV40 origin of replication"
     CDS             2569..3363
                     /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             2569..3363
                     /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(2623..2642)
                     /label=Neo-R
                     /note="Neomycin resistance gene, reverse primer"
     primer_bind     3233..3252
                     /label=Neo-F
                     /note="Neomycin resistance gene, forward primer"
     primer_bind     complement(3551..3570)
                     /label=TK-pA-R
                     /note="Thymidine kinase polyA, reverse primer"
     polyA_signal    3595..3642
                     /label=HSV TK poly(A) signal
                     /note="herpes simplex virus thymidine kinase 
                     polyadenylation signal (Cole and Stacy, 1985)"
     rep_origin      3971..4559
                     /direction=RIGHT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     4460..4479
                     /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 tgtacatcaa 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 attctgcagt cgacggtacc gcgggcccgg
      601 gatccaccgg tcgccaccat ggtgagcaag ggcgaggagc tgttcaccgg ggtggtgccc
      661 atcctggtcg agctggacgg cgacgtaaac ggccacaagt tcagcgtgtc cggcgagggc
      721 gagggcgatg ccacctacgg caagctgacc ctgaagctga tctccaccac cggcaagctg
      781 cccgtgccct ggcccaccct cgtgaccacc ctgggctacg gcgtgcagat gttcgcccgc
      841 taccccgacc acatgaagca gcacgacttc ttcaagtccg ccatgcccga aggctacgtc
      901 caggagcgca ccatcttctt caaggacgac ggcaactaca agacccgcgc cgaggtgaag
      961 ttcgagggcg acaccctggt gaaccgcatc gagctgaagg gcatcgactt caaggaggac
     1021 ggcaacatcc tggggcacaa gctggagtac aactacaaca gccacaacgt ctatatcacg
     1081 gccgacaagc agaagaacgg catcaaggcc aacttcaaga tccgccacaa catcgaggac
     1141 ggcggcgtgc agctcgccga ccactaccag cagaacaccc ccatcggcga cggccccgtg
     1201 ctgctgcccg acaaccacta cctgagctac cagtccaaac tgagcaaaga ccccaacgag
     1261 aagcgcgatc acatggtcct gctggagttc gtgaccgccg ccgggatcac tctcggcatg
     1321 gacgagctgt acaagtaaag cggccgcgac tctagatcat aatcagccat accacatttg
     1381 tagaggtttt acttgcttta aaaaacctcc cacacctccc cctgaacctg aaacataaaa
     1441 tgaatgcaat tgttgttgtt aacttgttta ttgcagctta taatggttac aaataaagca
     1501 atagcatcac aaatttcaca aataaagcat ttttttcact gcattctagt tgtggtttgt
     1561 ccaaactcat caatgtatct taaggcgtaa attgtaagcg ttaatatttt gttaaaattc
     1621 gcgttaaatt tttgttaaat cagctcattt tttaaccaat aggccgaaat cggcaaaatc
     1681 ccttataaat caaaagaata gaccgagata gggttgagtg ttgttccagt ttggaacaag
     1741 agtccactat taaagaacgt ggactccaac gtcaaagggc gaaaaaccgt ctatcagggc
     1801 gatggcccac tacgtgaacc atcaccctaa tcaagttttt tggggtcgag gtgccgtaaa
     1861 gcactaaatc ggaaccctaa agggagcccc cgatttagag cttgacgggg aaagccggcg
     1921 aacgtggcga gaaaggaagg gaagaaagcg aaaggagcgg gcgctagggc gctggcaagt
     1981 gtagcggtca cgctgcgcgt aaccaccaca cccgccgcgc ttaatgcgcc gctacagggc
     2041 gcgtcaggtg gcacttttcg gggaaatgtg cgcggaaccc ctatttgttt atttttctaa
     2101 atacattcaa atatgtatcc gctcatgaga caataaccct gataaatgct tcaataatat
     2161 tgaaaaagga agagtcctga ggcggaaaga accagctgtg gaatgtgtgt cagttagggt
     2221 gtggaaagtc cccaggctcc ccagcaggca gaagtatgca aagcatgcat ctcaattagt
     2281 cagcaaccag gtgtggaaag tccccaggct ccccagcagg cagaagtatg caaagcatgc
     2341 atctcaatta gtcagcaacc atagtcccgc ccctaactcc gcccatcccg cccctaactc
     2401 cgcccagttc cgcccattct ccgccccatg gctgactaat tttttttatt tatgcagagg
     2461 ccgaggccgc ctcggcctct gagctattcc agaagtagtg aggaggcttt tttggaggcc
     2521 taggcttttg caaagatcga tcaagagaca ggatgaggat cgtttcgcat gattgaacaa
     2581 gatggattgc acgcaggttc tccggccgct tgggtggaga ggctattcgg ctatgactgg
     2641 gcacaacaga caatcggctg ctctgatgcc gccgtgttcc ggctgtcagc gcaggggcgc
     2701 ccggttcttt ttgtcaagac cgacctgtcc ggtgccctga atgaactgca agacgaggca
     2761 gcgcggctat cgtggctggc cacgacgggc gttccttgcg cagctgtgct cgacgttgtc
     2821 actgaagcgg gaagggactg gctgctattg ggcgaagtgc cggggcagga tctcctgtca
     2881 tctcaccttg ctcctgccga gaaagtatcc atcatggctg atgcaatgcg gcggctgcat
     2941 acgcttgatc cggctacctg cccattcgac caccaagcga aacatcgcat cgagcgagca
     3001 cgtactcgga tggaagccgg tcttgtcgat caggatgatc tggacgaaga gcatcagggg
     3061 ctcgcgccag ccgaactgtt cgccaggctc aaggcgagca tgcccgacgg cgaggatctc
     3121 gtcgtgaccc atggcgatgc ctgcttgccg aatatcatgg tggaaaatgg ccgcttttct
     3181 ggattcatcg actgtggccg gctgggtgtg gcggaccgct atcaggacat agcgttggct
     3241 acccgtgata ttgctgaaga gcttggcggc gaatgggctg accgcttcct cgtgctttac
     3301 ggtatcgccg ctcccgattc gcagcgcatc gccttctatc gccttcttga cgagttcttc
     3361 tgagcgggac tctggggttc gaaatgaccg accaagcgac gcccaacctg ccatcacgag
     3421 atttcgattc caccgccgcc ttctatgaaa ggttgggctt cggaatcgtt ttccgggacg
     3481 ccggctggat gatcctccag cgcggggatc tcatgctgga gttcttcgcc caccctaggg
     3541 ggaggctaac tgaaacacgg aaggagacaa taccggaagg aacccgcgct atgacggcaa
     3601 taaaaagaca gaataaaacg cacggtgttg ggtcgtttgt tcataaacgc ggggttcggt
     3661 cccagggctg gcactctgtc gataccccac cgagacccca ttggggccaa tacgcccgcg
     3721 tttcttcctt ttccccaccc caccccccaa gttcgggtga aggcccaggg ctcgcagcca
     3781 acgtcggggc ggcaggccct gccatagcct caggttactc atatatactt tagattgatt
     3841 taaaacttca tttttaattt aaaaggatct aggtgaagat cctttttgat aatctcatga
     3901 ccaaaatccc ttaacgtgag ttttcgttcc actgagcgtc agaccccgta gaaaagatca
     3961 aaggatcttc ttgagatcct ttttttctgc gcgtaatctg ctgcttgcaa acaaaaaaac
     4021 caccgctacc agcggtggtt tgtttgccgg atcaagagct accaactctt tttccgaagg
     4081 taactggctt cagcagagcg cagataccaa atactgttct tctagtgtag ccgtagttag
     4141 gccaccactt caagaactct gtagcaccgc ctacatacct cgctctgcta atcctgttac
     4201 cagtggctgc tgccagtggc gataagtcgt gtcttaccgg gttggactca agacgatagt
     4261 taccggataa ggcgcagcgg tcgggctgaa cggggggttc gtgcacacag cccagcttgg
     4321 agcgaacgac ctacaccgaa ctgagatacc tacagcgtga gctatgagaa agcgccacgc
     4381 ttcccgaagg gagaaaggcg gacaggtatc cggtaagcgg cagggtcgga acaggagagc
     4441 gcacgaggga gcttccaggg ggaaacgcct ggtatcttta tagtcctgtc gggtttcgcc
     4501 acctctgact tgagcgtcga tttttgtgat gctcgtcagg ggggcggagc ctatggaaaa
     4561 acgccagcaa cgcggccttt ttacggttcc tggccttttg ctggcctttt gctcacatgt
     4621 tctttcctgc gttatcccct gattctgtgg ataaccgtat taccgccatg cattagttat
     4681 taatagtaat caattacggg gtcattagtt catagcccat atatggagtt ccg
//
