LOCUS       Exported               19438 bp ds-DNA     circular SYN 13-MAY-2021
DEFINITION  Expresses CRISPR base editor in rice.
ACCESSION   .
VERSION     .
KEYWORDS    pH-nCas9-PBE
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 19438)
  AUTHORS   Zong Y, Wang Y, Li C, Zhang R, Chen K, Ran Y, Qiu JL, Wang D, Gao C
  TITLE     Precise base editing in rice, wheat and maize with a Cas9-cytidine 
            deaminase fusion.
  JOURNAL   Nat Biotechnol. 2017 May;35(5):438-440. doi: 10.1038/nbt.3811. Epub 
            2017 Feb 27.
  PUBMED    28244994
REFERENCE   2  (bases 1 to 19438)
  AUTHORS   .
  TITLE     Direct Submission
COMMENT     SGRef: number: 1; type: "Journal Article"; doi: "10.1038/nbt.3811"; 
            journalName: "Nat Biotechnol"; date: "2017-05"; volume: "35"; issue:
            "5"; pages: "438-440"
FEATURES             Location/Qualifiers
     source          1..19438
                     /organism="synthetic DNA construct"
                     /mol_type="other DNA"
     CDS             999..1019
                     /codon_start=1
                     /product="nuclear localization signal of SV40 (simian virus
                     40) large T antigen"
                     /label=SV40 NLS
                     /translation="PKKKRKV"
     CDS             1020..1703
                     /codon_start=1
                     /product="cytidine deaminase (C to U editing enzyme) from 
                     rat"
                     /label=APOBEC-1
                     /note="can use ssDNA as a substrate (Komor et al., 2016)"
                     /translation="SSETGPVAVDPTLRRRIEPHEFEVFFDPRELRKETCLLYEINWGG
                     RHSIWRHTSQNTNKHVEVNFIEKFTTERYFCPNTRCSITWFLSWSPCGECSRAITEFLS
                     RYPHVTLFIYIARLYHHADPRNRQGLRDLISSGVTIQIMTEQESGYCWRNFVNYSPSNE
                     AHWPRYPHLWVRLYVLELYCIILGLPPCLNILRRKQPQLTFFTIALQSCHYQRLPPHIL
                     WATGLK"
     CDS             1755..5855
                     /codon_start=1
                     /product="nickase mutant of the Cas9 endonuclease from the 
                     Streptococcus pyogenes Type II CRISPR/Cas system"
                     /label=Cas9(D10A)
                     /note="generates RNA-guided single strand nicks in DNA due 
                     to the D10A mutation in the RuvC catalytic domain"
                     /translation="DKKYSIGLAIGTNSVGWAVITDEYKVPSKKFKVLGNTDRHSIKKN
                     LIGALLFDSGETAEATRLKRTARRRYTRRKNRICYLQEIFSNEMAKVDDSFFHRLEESF
                     LVEEDKKHERHPIFGNIVDEVAYHEKYPTIYHLRKKLVDSTDKADLRLIYLALAHMIKF
                     RGHFLIEGDLNPDNSDVDKLFIQLVQTYNQLFEENPINASGVDAKAILSARLSKSRRLE
                     NLIAQLPGEKKNGLFGNLIALSLGLTPNFKSNFDLAEDAKLQLSKDTYDDDLDNLLAQI
                     GDQYADLFLAAKNLSDAILLSDILRVNTEITKAPLSASMIKRYDEHHQDLTLLKALVRQ
                     QLPEKYKEIFFDQSKNGYAGYIDGGASQEEFYKFIKPILEKMDGTEELLVKLNREDLLR
                     KQRTFDNGSIPHQIHLGELHAILRRQEDFYPFLKDNREKIEKILTFRIPYYVGPLARGN
                     SRFAWMTRKSEETITPWNFEEVVDKGASAQSFIERMTNFDKNLPNEKVLPKHSLLYEYF
                     TVYNELTKVKYVTEGMRKPAFLSGEQKKAIVDLLFKTNRKVTVKQLKEDYFKKIECFDS
                     VEISGVEDRFNASLGTYHDLLKIIKDKDFLDNEENEDILEDIVLTLTLFEDREMIEERL
                     KTYAHLFDDKVMKQLKRRRYTGWGRLSRKLINGIRDKQSGKTILDFLKSDGFANRNFMQ
                     LIHDDSLTFKEDIQKAQVSGQGDSLHEHIANLAGSPAIKKGILQTVKVVDELVKVMGRH
                     KPENIVIEMARENQTTQKGQKNSRERMKRIEEGIKELGSQILKEHPVENTQLQNEKLYL
                     YYLQNGRDMYVDQELDINRLSDYDVDHIVPQSFLKDDSIDNKVLTRSDKNRGKSDNVPS
                     EEVVKKMKNYWRQLLNAKLITQRKFDNLTKAERGGLSELDKAGFIKRQLVETRQITKHV
                     AQILDSRMNTKYDENDKLIREVKVITLKSKLVSDFRKDFQFYKVREINNYHHAHDAYLN
                     AVVGTALIKKYPKLESEFVYGDYKVYDVRKMIAKSEQEIGKATAKYFFYSNIMNFFKTE
                     ITLANGEIRKRPLIETNGETGEIVWDKGRDFATVRKVLSMPQVNIVKKTEVQTGGFSKE
                     SILPKRNSDKLIARKKDWDPKKYGGFDSPTVAYSVLVVAKVEKGKSKKLKSVKELLGIT
                     IMERSSFEKNPIDFLEAKGYKEVKKDLIIKLPKYSLFELENGRKRMLASAGELQKGNEL
                     ALPSKYVNFLYLASHYEKLKGSPEDNEQKQLFVEQHKHYLDEIIEQISEFSKRVILADA
                     NLDKVLSAYNKHRDKPIREQAENIIHLFTLTNLGAPAAFKYFDTTIDRKRYTSTKEVLD
                     ATLIHQSITGLYETRIDLSQLGGD"
     CDS             5856..5903
                     /codon_start=1
                     /product="bipartite nuclear localization signal from 
                     nucleoplasmin"
                     /label=nucleoplasmin NLS
                     /translation="KRPAATKKAGQAKKKK"
     CDS             5925..6173
                     /codon_start=1
                     /product="uracil-DNA glycosylase inhibitor from a Bacillus 
                     subtilis bacteriophage (Mol et al., 1995)"
                     /label=UGI
                     /translation="TNLSDIIEKETGKQLVIQESILMLPEEVEEVIGNKPESDILVHTA
                     YDESTDENVMLLTSDAPEYKPWALVIQDSNGENKIKML"
     CDS             6186..6206
                     /codon_start=1
                     /product="nuclear localization signal of SV40 (simian virus
                     40) large T antigen"
                     /label=SV40 NLS
                     /translation="PKKKRKV"
     primer_bind     complement(6864..6880)
                     /label=M13 rev
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     primer_bind     complement(6864..6880)
                     /label=M13 Reverse
                     /note="In lacZ gene. Also called M13-rev"
     primer_bind     complement(6877..6899)
                     /label=M13/pUC Reverse
                     /note="In lacZ gene"
     protein_bind    6888..6904
                     /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(6912..6942)
                     /label=lac promoter
                     /note="promoter for the E. coli lac operon"
     protein_bind    6957..6978
                     /label=CAP binding site
                     /bound_moiety="E. coli catabolite activator protein"
                     /note="CAP binding activates transcription in the presence 
                     of cAMP."
     promoter        7169..7845
                     /label=CaMV 35S promoter (enhanced)
                     /note="cauliflower mosaic virus 35S promoter with a 
                     duplicated enhancer region"
     primer_bind     7782..7802
                     /label=35S promoter
                     /note="CaMV 35S promoter, forward primer"
     CDS             7912..8937
                     /codon_start=1
                     /gene="aph(4)-Ia"
                     /product="aminoglycoside phosphotransferase from E. coli"
                     /label=HygR
                     /note="confers resistance to hygromycin"
                     /translation="MKKPELTATSVEKFLIEKFDSVSDLMQLSEGEESRAFSFDVGGRG
                     YVLRVNSCADGFYKDRYVYRHFASAALPIPEVLDIGEFSESLTYCISRRSQGVTLQDLP
                     ETELPAVLQPVAEAMDAIAAADLSQTSGFGPFGPQGIGQYTTWRDFICAIADPHVYHWQ
                     TVMDDTVSASVAQALDELMLWAEDCPEVRHLVHADFGSNNVLTDNGRITAVIDWSEAMF
                     GDSQYEVANIFFWRPWLACMEQQTRYFERRHPELAGSPRLRAYMLRIGLDQLYQSLVDG
                     NFDDAAWAQGRCDAIVRSGAGTVGRTQIARRSAAVWTDGCVEVLADSGNRRPSTRPRAK
                     K"
     polyA_signal    8978..9152
                     /label=CaMV poly(A) signal
                     /note="cauliflower mosaic virus polyadenylation signal"
     misc_feature    9230..9254
                     /label=LB T-DNA repeat
                     /note="left border repeat from nopaline C58 T-DNA"
     mobile_element  9688..10455
                     /mobile_element_type="insertion sequence:IS1"
                     /label=IS1
                     /note="prokaryotic transposable element"
     CDS             10456..11250
                     /codon_start=1
                     /gene="aphA-3"
                     /product="aminoglycoside phosphotransferase"
                     /label=KanR
                     /note="confers resistance to kanamycin"
                     /translation="MAKMRISPELKKLIEKYRCVKDTEGMSPAKVYKLVGENENLYLKM
                     TDSRYKGTTYDVEREKDMMLWLEGKLPVPKVLHFERHDGWSNLLMSEADGVLCSEEYED
                     EQSPEKIIELYAECIRLFHSIDISDCPYTNSLDSRLAELDYLLNNDLADVDCENWEEDT
                     PFKDPRELYDFLKTEKPEEELVFSHGDLGDSNIFVKDGKVSGFIDLGRSGRADKWYDIA
                     FCVRSIREDIGEEQYVELFFDLLGIKPDWEKIKYYILLDELF"
     rep_origin      11337..11925
                     /direction=RIGHT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     11826..11845
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     primer_bind     12079..12096
                     /label=L4440
                     /note="L4440 vector, forward primer"
     misc_feature    12111..12251
                     /label=bom
                     /note="basis of mobility region from pBR322"
     primer_bind     complement(12177..12196)
                     /label=pRS-marker
                     /note="pRS vectors, use to sequence yeast selectable 
                     marker"
     primer_bind     12337..12359
                     /label=pGEX 3
                     /note="pGEX vectors, reverse primer"
     rep_origin      12595..12789
                     /label=pVS1 oriV
                     /note="origin of replication for the Pseudomonas plasmid 
                     pVS1 (Heeb et al., 2000)"
     CDS             complement(12855..13928)
                     /codon_start=1
                     /product="replication protein from the Pseudomonas plasmid 
                     pVS1 (Heeb et al., 2000)"
                     /label=pVS1 RepA
                     /translation="MSGRKPSGPVQIGAALGDDLVEKLKAAQAAQRQRIEAEARPGESW
                     QAAADRIRKESRQPPAAGAPSIRKPPKGDEQPDFFVPMLYDVGTRDSRSIMDVAVFRLS
                     KRDRRAGEVIRYELPDGHVEVSAGPAGMASVWDYDLVLMAVSHLTESMNRYREGKGDKP
                     GRVFRPHVADVLKFCRRADGGKQKDDLVETCIRLNTTHVAMQRTKKAKNGRLVTVSEGE
                     ALISRYKIVKSETGRPEYIEIELADWMYREITEGKNPDVLTVHPDYFLIDPGIGRFLYR
                     LARRAAGKAEARWLFKTIYERSGSAGEFKKFCFTVRKLIGSNDLPEYDLKEEAGQAGPI
                     LVMRYRNLIEGEASAGS"
     CDS             complement(14357..14986)
                     /codon_start=1
                     /product="stability protein from the Pseudomonas plasmid 
                     pVS1 (Heeb et al., 2000)"
                     /label=pVS1 StaA
                     /translation="MKVIAVLNQKGGSGKTTIATHLARALQLAGADVLLVDSDPQGSAR
                     DWAAVREDQPLTVVGIDRPTIDRDVKAIGRRDFVVIDGAPQAADLAVSAIKAADFVLIP
                     VQPSPYDIWATADLVELVKQRIEVTDGRLQAAFVVSRAIKGTRIGGEVAEALAGYELPI
                     LESRITQRVSYPGTAAAGTTVLESEPEGDAAREVQALAAEIKSKLI"
     misc_feature    16287..16311
                     /label=RB T-DNA repeat
                     /note="right border repeat from nopaline C58 T-DNA"
     primer_bind     16499..16521
                     /label=M13/pUC Forward
                     /note="In lacZ gene"
     primer_bind     16513..16530
                     /label=M13 Forward
                     /note="In lacZ gene. Also called M13-F20 or M13 (-21) 
                     Forward"
     primer_bind     16514..16530
                     /label=M13 fwd
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     promoter        16597..16976
                     /label=OsU3 promoter
                     /note="Oryza sativa (rice) snRNA U3 promoter"
     CDS             17256..18047
                     /codon_start=1
                     /gene="aadA"
                     /product="aminoglycoside adenylyltransferase (Murphy, 
                     1985)"
                     /label=SmR
                     /note="confers resistance to spectinomycin and 
                     streptomycin"
                     /translation="MGEAVIAEVSTQLSEVVGVIERHLEPTLLAVHLYGSAVDGGLKPH
                     SDIDLLVTVTVRLDETTRRALINDLLETSASPGESEILRAVEVTIVVHDDIIPWRYPAK
                     RELQFGEWQRNDILAGIFEPATIDIDLAILLTKAREHSVALVGPAAEELFDPVPEQDLF
                     EALNETLTLWNSPPDWAGDERNVVLTLSRIWYSAVTGKIAPKDVAADWAMERLPAQYQP
                     VILEARQAYLGQEEDRLASRADQLEEFVHYVKGEITKVVGK"
     misc_RNA        18199..18274
                     /label=gRNA scaffold
                     /note="guide RNA scaffold for the Streptococcus pyogenes 
                     CRISPR/Cas9 system"