LOCUS       Exported               17522 bp ds-DNA     circular SYN 13-MAY-2021
DEFINITION  used in the derivation of human iPS cells using non-integrating 
            episomal vectors; expresses Oct4 and Sox2; SV40LT and Klf4 .
ACCESSION   .
VERSION     .
KEYWORDS    pEP4 E02S ET2K
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 17522)
  AUTHORS   Yu J, Hu K, Smuga-Otto K, Tian S, Stewart R, Slukvin II, Thomson JA
  TITLE     Human Induced Pluripotent Stem Cells Free of Vector and Transgene 
            Sequences
  JOURNAL   Science. 2009 Mar 26.
  PUBMED    19325077
REFERENCE   2  (bases 1 to 17522)
  AUTHORS   .
  TITLE     Direct Submission
COMMENT     SGRef: number: 1; type: "Journal Article"; journalName: "Science. 
            2009 Mar 26."
FEATURES             Location/Qualifiers
     source          1..17522
                     /organism="synthetic DNA construct"
                     /mol_type="other DNA"
     promoter        13..1175
                     /label=EF-1-alpha promoter
                     /note="strong constitutive promoter for human elongation 
                     factor EF-1-alpha"
     intron          244..1166
                     /label=EF-1-alpha intron A
                     /note="intron upstream of the start codon of human 
                     EF-1-alpha"
     misc_feature    2385..2958
                     /label=IRES
                     /note="internal ribosome entry site (IRES) of the 
                     encephalomyocarditis virus (EMCV)"
     misc_feature    2408..2960
                     /label=IRES
                     /note="internal ribosome entry site (IRES) of the 
                     encephalomyocarditis virus (EMCV)"
     polyA_signal    3977..4111
                     /label=SV40 poly(A) signal
                     /note="SV40 polyadenylation signal"
     promoter        4641..5803
                     /label=EF-1-alpha promoter
                     /note="strong constitutive promoter for human elongation 
                     factor EF-1-alpha"
     intron          4872..5794
                     /label=EF-1-alpha intron A
                     /note="intron upstream of the start codon of human 
                     EF-1-alpha"
     CDS             5946..8072
                     /codon_start=1
                     /product="large T antigen from SV40 (simian virus 40)"
                     /label=large T antigen
                     /translation="MDKVLNREESLQLMDLLGLERSAWGNIPLMRKAYLKKCKEFHPDK
                     GGDEEKMKKMNTLYKKMEDGVKYAHQPDFGGFWDATEIPTYGTDEWEQWWNAFNEENLF
                     CSEEMPSSDDEATADSQHSTPPKKKRKVEDPKDFPSELLSFLSHAVFSNRTLACFAIYT
                     TKEKAALLYKKIMEKYSVTFISRHNSYNHNILFFLTPHRHRVSAINNYAQKLCTFSFLI
                     CKGVNKEYLMYSALTRDPFSVIEESLPGGLKEHDFNPEEAEETKQVSWKLVTEYAMETK
                     CDDVLLLLGMYLEFQYSFEMCLKCIKKEQPSHYKYHEKHYANAAIFADSKNQKTICQQA
                     VDTVLAKKRVDSLQLTREQMLTNRFNDLLDRMDIMFGSTGSADIEEWMAGVAWLHCLLP
                     KMDSVVYDFLKCMVYNIPKKRYWLFKGPIDSGKTTLAAALLELCGGKALNVNLPLDRLN
                     FELGVAIDQFLVVFEDVKGTGGESRDLPSGQGINNLDNLRDYLDGSVKVNLEKKHLNKR
                     TQIFPPGIVTMNEYSVPKTLQARFVKQIDFRPKDYLKHCLERSEFLLEKRIIQSGIALL
                     LMLIWYRPVAEFAQSIQSRIVEWKERLDKEFSLSVYQKMKFNVAMGIGVLDWLRNSDDD
                     DEDSQENADKNEDGGEKNMEDSGHETGIDSQSQGSFQAPQSSQSVHDHNQPYHICRGFT
                     CFKKPPTPPPEPET"
     misc_feature    8163..8736
                     /label=IRES
                     /note="internal ribosome entry site (IRES) of the 
                     encephalomyocarditis virus (EMCV)"
     misc_feature    8186..8738
                     /label=IRES
                     /note="internal ribosome entry site (IRES) of the 
                     encephalomyocarditis virus (EMCV)"
     polyA_signal    10223..10357
                     /label=SV40 poly(A) signal
                     /note="SV40 polyadenylation signal"
     rep_origin      11088..12877
                     /label=oriP
                     /note="Epstein-Barr virus oriP replication origin (Yates et
                     al., 2000)"
     CDS             complement(13179..15104)
                     /codon_start=1
                     /product="Epstein-Barr nuclear antigen 1, also known as 
                     EBNA-1"
                     /label=EBNA1
                     /note="crucial for latent viral infection, and for episomal
                     amplification of vectors containing the oriP origin (Okita 
                     et al., 2013)"
                     /translation="MSDEGPGTGPGNGLGEKGDTSGPEGSGGSGPQRRGGDNHGRGRGR
                     GRGRGGGRPGAPGGSGSGPRHRDGVRRPQKRPSCIGCKGTHGGTGAGAGAGGAGAGGAG
                     AGGGAGAGGGAGGAGGAGGAGAGGGAGAGGGAGGAGGAGAGGGAGAGGGAGGAGAGGGA
                     GGAGGAGAGGGAGAGGGAGGAGAGGGAGGAGGAGAGGGAGAGGAGGAGGAGAGGAGAGG
                     GAGGAGGAGAGGAGAGGAGAGGAGAGGAGGAGAGGAGGAGAGGAGGAGAGGGAGGAGAG
                     GGAGGAGAGGAGGAGAGGAGGAGAGGAGGAGAGGGAGAGGAGAGGGGRGRGGSGGRGRG
                     GSGGRGRGGSGGRRGRGRERARGGSRERARGRGRGRGEKRPRSPSSQSSSSGSPPRRPP
                     PGRRPFFHPVGEADYFEYHQEGGPDGEPDVPPGAIEQGPADDPGEGPSTGPRGQGDGGR
                     RKKGGWFGKHRGQGGSNPKFENIAEGLRALLARSHVERTTDEGTWVAGVFVYGGSKTSL
                     YNLRRGTALAIPQCRLTPLSRLPFGMAPGPGPQPGPLRESIVCYFMVFLQTHIFAEVLK
                     DAIKDLVMTKPAPTCNIRVTVCSFDDGVDLPPWFPPMVEGAAAEGDDGDDGDEGGDGDE
                     GEEGQE"
     primer_bind     complement(15543..15561)
                     /label=pBRforEco
                     /note="pBR322 vectors, upsteam of EcoRI site, forward 
                     primer"
     promoter        15629..15733
                     /gene="bla"
                     /label=AmpR promoter
     CDS             15734..16594
                     /codon_start=1
                     /gene="bla"
                     /product="beta-lactamase"
                     /label=AmpR
                     /note="confers resistance to ampicillin, carbenicillin, and
                     related antibiotics"
                     /translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGYI
                     ELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRVDAGQEQLGRRIHYSQNDLVEYS
                     PVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRW
                     EPELNEAIPNDERDTTMPAAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSA
                     LPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGAS
                     LIKHW"
     primer_bind     complement(15952..15971)
                     /label=Amp-R
                     /note="Ampicillin resistance gene, reverse primer"
     rep_origin      16765..17353
                     /direction=RIGHT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     17254..17273
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"