LOCUS       sequence-215374-        7831 bp    DNA     circular SYN 15-DEC-2025
DEFINITION  Inducible expression of eGFP-tagged HEC1-8A/S55D in FLPin Trex cell 
            lines.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 7831)
  AUTHORS   Etemad B, Kuijt TE, Kops GJ
  TITLE     Kinetochore-microtubule attachment is sufficient to satisfy the 
            human spindle assembly checkpoint.
  JOURNAL   Nat Commun. 2015 Dec 1;6:8987. doi: 10.1038/ncomms9987.
  PUBMED    26621779
REFERENCE   2  (bases 1 to 7831)
  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: "Nat 
            Commun."; date: "2015-12-1"; volume: "6:8987. doi"; pages: " 
            10.1038/ncomms9987"
COMMENT     Sequence Label: pcDNA5-hygro-eGFP-HEC1-8A/S55D
FEATURES             Location/Qualifiers
     source          1..7831
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     primer_bind     complement(44..63)
                     /label=pRS-marker
                     /note="pRS vectors, use to sequence yeast selectable 
                     marker"
     enhancer        235..614
                     /label=CMV enhancer
                     /note="human cytomegalovirus immediate early enhancer"
     promoter        615..818
                     /label=CMV promoter
                     /note="human cytomegalovirus (CMV) immediate early 
                     promoter"
     primer_bind     769..789
                     /label=CMV-F
                     /note="Human CMV immediate early promoter, forward primer"
     protein_bind    820..838
                     /gene="tetO"
                     /label=tet operator
                     /bound_moiety="tetracycline repressor TetR"
                     /note="bacterial operator O2 for the tetR and tetA genes"
     protein_bind    841..859
                     /gene="tetO"
                     /label=tet operator
                     /bound_moiety="tetracycline repressor TetR"
                     /note="bacterial operator O2 for the tetR and tetA genes"
     primer_bind     869..893
                     /label=LNCX
                     /note="Human CMV promoter, forward primer"
     regulatory      1074..1083
                     /label=Kozak sequence
                     /note="vertebrate consensus sequence for strong initiation 
                     of translation (Kozak, 1987)"
                     /regulatory_class="other"
     CDS             join(1080..1082,1083..1085,1086..1796)
                     /codon_start=1
                     /product="enhanced GFP"
                     /label=EGFP
                     /translation="MVSKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTL
                     KFICTTGKLPVPWPTLVTTLTYGVQCFSRYPDHMKQHDFFKSAMPEGYVQERTIFFKDD
                     GNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYIMADKQKNGIK
                     VNFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKDPNEKRDHMVLL
                     EFVTAAGITLGMDELYK"
     CDS             join(1080..1082,1083..1085,1086..1796)
                     /codon_start=1
                     /product="the original enhanced GFP (Yang et al., 1996)"
                     /label=EGFP
                     /note="mammalian codon-optimized"
                     /translation="MVSKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTL
                     KFICTTGKLPVPWPTLVTTLTYGVQCFSRYPDHMKQHDFFKSAMPEGYVQERTIFFKDD
                     GNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYIMADKQKNGIK
                     VNFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKDPNEKRDHMVLL
                     EFVTAAGITLGMDELYK"
     primer_bind     complement(1125..1146)
                     /label=EGFP-N
                     /note="EGFP, reverse primer"
     primer_bind     complement(1386..1405)
                     /label=EXFP-R
                     /note="For distinguishing EGFP variants, reverse primer"
     primer_bind     1733..1754
                     /label=EGFP-C
                     /note="EGFP, forward primer"
     primer_bind     complement(3783..3800)
                     /label=BGH-rev
                     /note="Bovine growth hormone terminator, reverse primer. 
                     Also called BGH reverse"
     polyA_signal    3789..4013
                     /label=bGH poly(A) signal
                     /note="bovine growth hormone polyadenylation signal"
     primer_bind     complement(4146..4165)
                     /label=F1ori-R
                     /note="F1 origin, reverse primer"
     protein_bind    4297..4344
                     /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)."
     CDS             4352..5374
                     /codon_start=1
                     /product="hygromycin B phosphotransferase"
                     /label=HygR
                     /note="confers resistance to hygromycin"
                     /translation="KKPELTATSVEKFLIEKFDSVSDLMQLSEGEESRAFSFDVGGRGY
                     VLRVNSCADGFYKDRYVYRHFASAALPIPEVLDIGEFSESLTYCISRRAQGVTLQDLPE
                     TELPAVLQPVAEAMDAIAAADLSQTSGFGPFGPQGIGQYTTWRDFICAIADPHVYHWQT
                     VMDDTVSASVAQALDELMLWAEDCPEVRHLVHADFGSNNVLTDNGRITAVIDWSEAMFG
                     DSQYEVANIFFWRPWLACMEQQTRYFERRHPELAGSPRLRAYMLRIGLDQLYQSLVDGN
                     FDDAAWAQGRCDAIVRSGAGTVGRTQIARRSAAVWTDGCVEVLADSGNRRPSTRPRAKE
                     "
     CDS             4352..5374
                     /codon_start=1
                     /gene="aph(4)-Ia"
                     /product="aminoglycoside phosphotransferase from E. coli"
                     /label=HygR
                     /note="confers resistance to hygromycin"
                     /translation="KKPELTATSVEKFLIEKFDSVSDLMQLSEGEESRAFSFDVGGRGY
                     VLRVNSCADGFYKDRYVYRHFASAALPIPEVLDIGEFSESLTYCISRRAQGVTLQDLPE
                     TELPAVLQPVAEAMDAIAAADLSQTSGFGPFGPQGIGQYTTWRDFICAIADPHVYHWQT
                     VMDDTVSASVAQALDELMLWAEDCPEVRHLVHADFGSNNVLTDNGRITAVIDWSEAMFG
                     DSQYEVANIFFWRPWLACMEQQTRYFERRHPELAGSPRLRAYMLRIGLDQLYQSLVDGN
                     FDDAAWAQGRCDAIVRSGAGTVGRTQIARRSAAVWTDGCVEVLADSGNRRPSTRPRAKE
                     "
     polyA_signal    5504..5625
                     /label=SV40 poly(A) signal
                     /note="SV40 polyadenylation signal"
     primer_bind     complement(5541..5560)
                     /label=SV40pA-R
                     /note="SV40 polyA, reverse primer"
     primer_bind     5595..5614
                     /label=EBV-rev
                     /note="SV40 polyA terminator, reverse primer"
     primer_bind     complement(5674..5690)
                     /label=M13 rev
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     primer_bind     complement(5674..5690)
                     /label=M13 Reverse
                     /note="In lacZ gene. Also called M13-rev"
     primer_bind     complement(5687..5709)
                     /label=M13/pUC Reverse
                     /note="In lacZ gene"
     protein_bind    5698..5714
                     /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)."
     promoter        complement(join(5722..5728,5729..5746,5747..5752))
                     /label=lac promoter
                     /note="promoter for the E. coli lac operon"
     protein_bind    5767..5788
                     /label=CAP binding site
                     /bound_moiety="E. coli catabolite activator protein"
                     /note="CAP binding activates transcription in the presence 
                     of cAMP."
     primer_bind     complement(5905..5922)
                     /label=L4440
                     /note="L4440 vector, forward primer"
     rep_origin      complement(6076..6664)
                     /direction=LEFT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     complement(6156..6175)
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     CDS             complement(join(6835..7626,7627..7695))
                     /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     7458..7477
                     /label=Amp-R
                     /note="Ampicillin resistance gene, reverse primer"
     promoter        complement(7696..7800)
                     /gene="bla"
                     /label=AmpR promoter
ORIGIN
        1 gacggatcgg gagatctccc gatcccctat ggtgcactct cagtacaatc tgctctgatg
       61 ccgcatagtt aagccagtat ctgctccctg cttgtgtgtt ggaggtcgct gagtagtgcg
      121 cgagcaaaat ttaagctaca acaaggcaag gcttgaccga caattgcatg aagaatctgc
      181 ttagggttag gcgttttgcg ctgcttcgcg atgtacgggc cagatatacg cgttgacatt
      241 gattattgac tagttattaa tagtaatcaa ttacggggtc attagttcat agcccatata
      301 tggagttccg cgttacataa cttacggtaa atggcccgcc tggctgaccg cccaacgacc
      361 cccgcccatt gacgtcaata atgacgtatg ttcccatagt aacgccaata gggactttcc
      421 attgacgtca atgggtggag tatttacggt aaactgccca cttggcagta catcaagtgt
      481 atcatatgcc aagtacgccc cctattgacg tcaatgacgg taaatggccc gcctggcatt
      541 atgcccagta catgacctta tgggactttc ctacttggca gtacatctac gtattagtca
      601 tcgctattac catggtgatg cggttttggc agtacatcaa tgggcgtgga tagcggtttg
      661 actcacgggg atttccaagt ctccacccca ttgacgtcaa tgggagtttg ttttggcacc
      721 aaaatcaacg ggactttcca aaatgtcgta acaactccgc cccattgacg caaatgggcg
      781 gtaggcgtgt acggtgggag gtctatataa gcagagctct ccctatcagt gatagagatc
      841 tccctatcag tgatagagat cgtcgacgag ctcgtttagt gaaccgtcag atcgcctgga
      901 gacgccatcc acgctgtttt gacctccata gaagacaccg ggaccgatcc agcctccgga
      961 ctctagcgtt taaacttaag cttggtaccg agctcggatc cactagtcca gtgtggtgga
     1021 attctgcaga tatccagcac agtggcggcc gctcgagtct agcgctaccg gtcgccacca
     1081 tggtgagcaa gggcgaggag ctgttcaccg gggtggtgcc catcctggtc gagctggacg
     1141 gcgacgtaaa cggccacaag ttcagcgtgt ccggcgaggg cgagggcgat gccacctacg
     1201 gcaagctgac cctgaagttc atctgcacca ccggcaagct gcccgtgccc tggcccaccc
     1261 tcgtgaccac cctgacctac ggcgtgcagt gcttcagccg ctaccccgac cacatgaagc
     1321 agcacgactt cttcaagtcc gccatgcccg aaggctacgt ccaggagcgc accatcttct
     1381 tcaaggacga cggcaactac aagacccgcg ccgaggtgaa gttcgagggc gacaccctgg
     1441 tgaaccgcat cgagctgaag ggcatcgact tcaaggagga cggcaacatc ctggggcaca
     1501 agctggagta caactacaac agccacaacg tctatatcat ggccgacaag cagaagaacg
     1561 gcatcaaggt gaacttcaag atccgccaca acatcgagga cggcagcgtg cagctcgccg
     1621 accactacca gcagaacacc cccatcggcg acggccccgt gctgctgccc gacaaccact
     1681 acctgagcac ccagtccgcc ctgagcaaag accccaacga gaagcgcgat cacatggtcc
     1741 tgctggagtt cgtgaccgcc gccgggatca ctctcggcat ggacgagctg tacaagtccg
     1801 gactcagatc catgaagcgc gctgcagttt ccgccggtgg tgctggccgc ctcgccatgc
     1861 aggagttaag atcccaggat gtaaataaac aaggcctcta tacccctcaa accaaagaga
     1921 aaccaacctt tggaaagttg gctataaaca aaccggcatc tgaaagaaaa gtcgatctat
     1981 ttggcaaaag aactgctgga catggatccc ggaatgctca acttggtata ttttccagtt
     2041 ctgagaaaat caaggacccg agaccactta atgacaaagc attcattcag cagtgtattc
     2101 gacaactctg tgagtttctt acagaaaatg gttatgcaca taatgtgtcc atgaaatctc
     2161 tacaagctcc ctctgttaaa gacttcctga agatcttcac atttctttat ggcttcctgt
     2221 gcccctcata cgaacttcct gacacaaagt ttgaagaaga ggttccaaga atctttaaag
     2281 accttgggta tccttttgca ctatccaaaa gctccatgta cacagtgggg gctcctcata
     2341 catggcctca cattgtggca gccttagttt ggctaataga ctgcatcaag atacatactg
     2401 ccatgaaaga aagctcacct ttatttgatg atgggcagcc ttggggagaa gaaactgaag
     2461 atggaattat gcataataag ttgtttttgg actacaccat aaaatgctat gagagtttta
     2521 tgagtggtgc cgacagcttt gatgagatga atgcagagct gcagtcaaaa ctgaaggatt
     2581 tatttaatgt ggatgctttt aagctggaat cattagaagc aaaaaacaga gcattgaatg
     2641 aacagattgc aagattggaa caagaaagag aaaaagagcc gaatcgtcta gagtcgttga
     2701 gaaaactgaa ggcttcctta caaggagatg ttcaaaagta tcaggcatac atgagcaatt
     2761 tggagtctca ttcagccatt cttgaccaga aattaaatgg tctcaatgag gaaattgcta
     2821 gagtagaact agaatgtgaa acaataaaac aggagaacac tcgactacag aatatcattg
     2881 acaaccagaa gtactcagtt gcagacattg agcgaataaa tcatgaaaga aatgaattgc
     2941 agcagactat taataaatta accaaggacc tggaagctga acaacagaag ttgtggaatg
     3001 aggagttaaa atatgccaga ggcaaagaag cgattgaaac acaattagca gagtatcaca
     3061 aattggctag aaaattaaaa cttattccta aaggtgctga gaattccaaa ggttatgact
     3121 ttgaaattaa gtttaatccc gaggctggtg ccaactgcct tgtcaaatac agggctcaag
     3181 tttatgtacc tcttaaggaa ctcctgaatg aaactgaaga agaaattaat aaagccctaa
     3241 ataaaaaaat gggtttggag gatactttag aacaattgaa tgcaatgata acagaaagca
     3301 agagaagtgt gagaactctg aaagaagaag ttcagaaact ggatgatctt taccaacaaa
     3361 aaattaagga agcagaggaa gaggatgaaa aatgtgccag tgagcttgag tccttggaga
     3421 aacacaagca cctgctagaa agtactgtta accaggggct cagtgaagct atgaatgaat
     3481 tagatgctgt tcagcgggaa taccaactag ttgtgcaaac cacgactgaa gaaagacgaa
     3541 aagtgggaaa taacttgcaa cgtctgttag agatggttgc tacacatgtt gggtctgtag
     3601 agaaacatct tgaggagcag attgctaaag ttgatagaga atatgaagaa tgcatgtcag
     3661 aagatctctc ggaaaatatt aaagagatta gagataagta tgagaagaaa gctactctaa
     3721 ttaagtcttc tgaagaatga ctcgaggacg gtaccgcggg cccgtttaaa cccgctgatc
     3781 agcctcgact gtgccttcta gttgccagcc atctgttgtt tgcccctccc ccgtgccttc
     3841 cttgaccctg gaaggtgcca ctcccactgt cctttcctaa taaaatgagg aaattgcatc
     3901 gcattgtctg agtaggtgtc attctattct ggggggtggg gtggggcagg acagcaaggg
     3961 ggaggattgg gaagacaata gcaggcatgc tggggatgcg gtgggctcta tggcttctga
     4021 ggcggaaaga accagctggg gctctagggg gtatccccac gcgccctgta gcggcgcatt
     4081 aagcgcggcg ggtgtggtgg ttacgcgcag cgtgaccgct acacttgcca gcgccctagc
     4141 gcccgctcct ttcgctttct tcccttcctt tctcgccacg ttcgccggct ttccccgtca
     4201 agctctaaat cgggggctcc ctttagggtt ccgatttagt gctttacggc acctcgaccc
     4261 caaaaaactt gattagggtg atggttcacg tacctagaag ttcctattcc gaagttccta
     4321 ttctctagaa agtataggaa cttccttggc caaaaagcct gaactcaccg cgacgtctgt
     4381 cgagaagttt ctgatcgaaa agttcgacag cgtctccgac ctgatgcagc tctcggaggg
     4441 cgaagaatct cgtgctttca gcttcgatgt aggagggcgt ggatatgtcc tgcgggtaaa
     4501 tagctgcgcc gatggtttct acaaagatcg ttatgtttat cggcactttg catcggccgc
     4561 gctcccgatt ccggaagtgc ttgacattgg ggaattcagc gagagcctga cctattgcat
     4621 ctcccgccgt gcacagggtg tcacgttgca agacctgcct gaaaccgaac tgcccgctgt
     4681 tctgcagccg gtcgcggagg ccatggatgc gatcgctgcg gccgatctta gccagacgag
     4741 cgggttcggc ccattcggac cgcaaggaat cggtcaatac actacatggc gtgatttcat
     4801 atgcgcgatt gctgatcccc atgtgtatca ctggcaaact gtgatggacg acaccgtcag
     4861 tgcgtccgtc gcgcaggctc tcgatgagct gatgctttgg gccgaggact gccccgaagt
     4921 ccggcacctc gtgcacgcgg atttcggctc caacaatgtc ctgacggaca atggccgcat
     4981 aacagcggtc attgactgga gcgaggcgat gttcggggat tcccaatacg aggtcgccaa
     5041 catcttcttc tggaggccgt ggttggcttg tatggagcag cagacgcgct acttcgagcg
     5101 gaggcatccg gagcttgcag gatcgccgcg gctccgggcg tatatgctcc gcattggtct
     5161 tgaccaactc tatcagagct tggttgacgg caatttcgat gatgcagctt gggcgcaggg
     5221 tcgatgcgac gcaatcgtcc gatccggagc cgggactgtc gggcgtacac aaatcgcccg
     5281 cagaagcgcg gccgtctgga ccgatggctg tgtagaagta ctcgccgata gtggaaaccg
     5341 acgccccagc actcgtccga gggcaaagga atagcacgta ctacgagatt tcgattccac
     5401 cgccgccttc tatgaaaggt tgggcttcgg aatcgttttc cgggacgccg gctggatgat
     5461 cctccagcgc ggggatctca tgctggagtt cttcgcccac cccaacttgt ttattgcagc
     5521 ttataatggt tacaaataaa gcaatagcat cacaaatttc acaaataaag catttttttc
     5581 actgcattct agttgtggtt tgtccaaact catcaatgta tcttatcatg tctgtatacc
     5641 gtcgacctct agctagagct tggcgtaatc atggtcatag ctgtttcctg tgtgaaattg
     5701 ttatccgctc acaattccac acaacatacg agccggaagc ataaagtgta aagcctgggg
     5761 tgcctaatga gtgagctaac tcacattaat tgcgttgcgc tcactgcccg ctttccagtc
     5821 gggaaacctg tcgtgccagc tgcattaatg aatcggccaa cgcgcgggga gaggcggttt
     5881 gcgtattggg cgctcttccg cttcctcgct cactgactcg ctgcgctcgg tcgttcggct
     5941 gcggcgagcg gtatcagctc actcaaaggc ggtaatacgg ttatccacag aatcagggga
     6001 taacgcagga aagaacatgt gagcaaaagg ccagcaaaag gccaggaacc gtaaaaaggc
     6061 cgcgttgctg gcgtttttcc ataggctccg cccccctgac gagcatcaca aaaatcgacg
     6121 ctcaagtcag aggtggcgaa acccgacagg actataaaga taccaggcgt ttccccctgg
     6181 aagctccctc gtgcgctctc ctgttccgac cctgccgctt accggatacc tgtccgcctt
     6241 tctcccttcg ggaagcgtgg cgctttctca tagctcacgc tgtaggtatc tcagttcggt
     6301 gtaggtcgtt cgctccaagc tgggctgtgt gcacgaaccc cccgttcagc ccgaccgctg
     6361 cgccttatcc ggtaactatc gtcttgagtc caacccggta agacacgact tatcgccact
     6421 ggcagcagcc actggtaaca ggattagcag agcgaggtat gtaggcggtg ctacagagtt
     6481 cttgaagtgg tggcctaact acggctacac tagaagaaca gtatttggta tctgcgctct
     6541 gctgaagcca gttaccttcg gaaaaagagt tggtagctct tgatccggca aacaaaccac
     6601 cgctggtagc ggtggttttt ttgtttgcaa gcagcagatt acgcgcagaa aaaaaggatc
     6661 tcaagaagat cctttgatct tttctacggg gtctgacgct cagtggaacg aaaactcacg
     6721 ttaagggatt ttggtcatga gattatcaaa aaggatcttc acctagatcc ttttaaatta
     6781 aaaatgaagt tttaaatcaa tctaaagtat atatgagtaa acttggtctg acagttacca
     6841 atgcttaatc agtgaggcac ctatctcagc gatctgtcta tttcgttcat ccatagttgc
     6901 ctgactcccc gtcgtgtaga taactacgat acgggagggc ttaccatctg gccccagtgc
     6961 tgcaatgata ccgcgagacc cacgctcacc ggctccagat ttatcagcaa taaaccagcc
     7021 agccggaagg gccgagcgca gaagtggtcc tgcaacttta tccgcctcca tccagtctat
     7081 taattgttgc cgggaagcta gagtaagtag ttcgccagtt aatagtttgc gcaacgttgt
     7141 tgccattgct acaggcatcg tggtgtcacg ctcgtcgttt ggtatggctt cattcagctc
     7201 cggttcccaa cgatcaaggc gagttacatg atcccccatg ttgtgcaaaa aagcggttag
     7261 ctccttcggt cctccgatcg ttgtcagaag taagttggcc gcagtgttat cactcatggt
     7321 tatggcagca ctgcataatt ctcttactgt catgccatcc gtaagatgct tttctgtgac
     7381 tggtgagtac tcaaccaagt cattctgaga atagtgtatg cggcgaccga gttgctcttg
     7441 cccggcgtca atacgggata ataccgcgcc acatagcaga actttaaaag tgctcatcat
     7501 tggaaaacgt tcttcggggc gaaaactctc aaggatctta ccgctgttga gatccagttc
     7561 gatgtaaccc actcgtgcac ccaactgatc ttcagcatct tttactttca ccagcgtttc
     7621 tgggtgagca aaaacaggaa ggcaaaatgc cgcaaaaaag ggaataaggg cgacacggaa
     7681 atgttgaata ctcatactct tcctttttca atattattga agcatttatc agggttattg
     7741 tctcatgagc ggatacatat ttgaatgtat ttagaaaaat aaacaaatag gggttccgcg
     7801 cacatttccc cgaaaagtgc cacctgacgt c
//
