| 载体基本信息 |
| 载体名称 |
lentiSAMv2 |
载体抗性 |
Ampicillin |
| 载体长度 |
13500 bp |
载体类型 |
Mammalian Expression, Lentiviral, CRISPR |
| 筛选标记 |
Blasticidin |
拷贝数 |
High Copy |
| 启动子 |
U6 and EF1A |
克隆方法 |
Restriction Enzyme |
lentiSAMv2 载体载体图谱
lentiSAMv2 载体载体序列
LOCUS Exported 13500 bp ds-DNA circular SYN 21-DEC-2021
DEFINITION lenti sgRNA cloning backbone with MS2 loops at tetraloop and
stemloop 2, dCas9-VP64, and blast resistance marker. Contains BsmBI
sites for insertion of spacer sequences..
ACCESSION .
VERSION .
KEYWORDS lentiSAMv2
SOURCE synthetic DNA construct
ORGANISM synthetic DNA construct
REFERENCE 1 (bases 1 to 13500)
AUTHORS Joung J, Konermann S, Gootenberg JS, Abudayyeh OO, Platt RJ, Brigham
MD, Sanjana NE, Zhang F
TITLE Genome-scale CRISPR-Cas9 knockout and transcriptional activation
screening.
JOURNAL Nat Protoc. 2017 Apr;12(4):828-863. doi: 10.1038/nprot.2017.016.
Epub 2017 Mar 23.
PUBMED 28333914
REFERENCE 2 (bases 1 to 13500)
AUTHORS .
TITLE Direct Submission
COMMENT SGRef: number: 1; type: "Journal Article"; doi:
"10.1038/nprot.2017.016"; journalName: "Nat Protoc"; date:
"2017-04"; volume: "12"; issue: "4"; pages: "828-863"
FEATURES Location/Qualifiers
source 1..13500
/organism="synthetic DNA construct"
/mol_type="other DNA"
primer_bind complement(125..145)
/label=pBABE 3
/note="SV40 enhancer, reverse primer for pBABE vectors"
promoter 130..459
/label=SV40 promoter
/note="SV40 enhancer and early promoter"
rep_origin 310..445
/label=SV40 ori
/note="SV40 origin of replication"
primer_bind 372..391
/label=SV40pro-F
/note="SV40 promoter/origin, forward primer"
promoter 507..554
/label=EM7 promoter
/note="synthetic bacterial promoter "
CDS 573..947
/codon_start=1
/gene="Sh ble from Streptoalloteichus hindustanus"
/product="antibiotic-binding protein"
/label=BleoR
/note="confers resistance to bleomycin, phleomycin, and
Zeocin(TM)"
/translation="MAKLTSAVPVLTARDVAGAVEFWTDRLGFSRDFVEDDFAGVVRDD
VTLFISAVQDQVVPDNTLAWVWVRGLDELYAEWSEVVSTNFRDASGPAMTEIGEQPWGR
EFALRDPAGNCVHFVAEEQD"
polyA_signal 1077..1198
/label=SV40 poly(A) signal
/note="SV40 polyadenylation signal"
primer_bind complement(1114..1133)
/label=SV40pA-R
/note="SV40 polyA, reverse primer"
primer_bind 1168..1187
/label=EBV-rev
/note="SV40 polyA terminator, reverse primer"
primer_bind complement(1247..1263)
/label=M13 rev
/note="common sequencing primer, one of multiple similar
variants"
primer_bind complement(1247..1263)
/label=M13 Reverse
/note="In lacZ gene. Also called M13-rev"
primer_bind complement(1260..1282)
/label=M13/pUC Reverse
/note="In lacZ gene"
protein_bind 1271..1287
/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(1295..1325)
/label=lac promoter
/note="promoter for the E. coli lac operon"
protein_bind 1340..1361
/label=CAP binding site
/bound_moiety="E. coli catabolite activator protein"
/note="CAP binding activates transcription in the presence
of cAMP."
primer_bind complement(1478..1495)
/label=L4440
/note="L4440 vector, forward primer"
rep_origin complement(1649..2237)
/direction=LEFT
/label=ori
/note="high-copy-number ColE1/pMB1/pBR322/pUC origin of
replication"
primer_bind complement(1729..1748)
/label=pBR322ori-F
/note="pBR322 origin, forward primer"
CDS complement(2408..3268)
/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 3031..3050
/label=Amp-R
/note="Ampicillin resistance gene, reverse primer"
promoter complement(3269..3373)
/gene="bla"
/label=AmpR promoter
primer_bind complement(3448..3467)
/label=pRS-marker
/note="pRS vectors, use to sequence yeast selectable
marker"
enhancer 3639..4018
/label=CMV enhancer
/note="human cytomegalovirus immediate early enhancer"
promoter 4020..4218
/label=CMV promoter
/note="human cytomegalovirus (CMV) immediate early
promoter"
primer_bind 4173..4193
/label=CMV-F
/note="Human CMV immediate early promoter, forward primer"
LTR 4236..4416
/label=5 LTR (truncated)
/note="truncated 5 long terminal repeat (LTR) from HIV-1"
misc_feature 4463..4588
/label=HIV-1 Psi
/note="packaging signal of human immunodeficiency virus
type 1"
misc_feature 5081..5314
/label=RRE
/note="The Rev response element (RRE) of HIV-1 allows for
Rev-dependent mRNA export from the nucleus to the
cytoplasm."
CDS 5499..5543
/codon_start=1
/product="antigenic peptide corresponding to amino acids
655 to 669 of the HIV envelope protein gp41 (Lutje Hulsik
et al., 2013)"
/label=gp41 peptide
/note="recognized by the 2H10 single-chain llama nanobody"
/translation="KNEQELLELDKWASL"
misc_feature 5841..5958
/label=cPPT/CTS
/note="central polypurine tract and central termination
sequence of HIV-1"
promoter 6008..6248
/label=U6 promoter
/note="RNA polymerase III promoter for human U6 snRNA"
primer_bind 6008..6028
/label=hU6-F
/note="Human U6 promoter, forward primer"
primer_bind 6179..6198
/label=LKO.1 5
/note="Human U6 promoter, forward primer"
misc_RNA 6294..6312
/label=MS2 stem loop
/note="stem loop that binds the bacteriophage MS2 coat
protein"
misc_RNA 6364..6382
/label=MS2 stem loop
/note="stem loop that binds the bacteriophage MS2 coat
protein"
promoter 6469..6680
/label=EF-1-alpha core promoter
/note="core promoter for human elongation factor
EF-1-alpha"
CDS 6697..6744
/codon_start=1
/product="bipartite nuclear localization signal from
nucleoplasmin"
/label=nucleoplasmin NLS
/translation="KRPAATKKAGQAKKKK"
CDS 6745..10845
/codon_start=1
/product="catalytically dead mutant of the Cas9
endonuclease from the Streptococcus pyogenes Type II
CRISPR/Cas system"
/label=dCas9
/note="RNA-guided DNA-binding protein that lacks
endonuclease activity due to the D10A mutation in the RuvC
catalytic domain and the N863A mutation in the HNH
catalytic domain"
/translation="DKKYSIGLAIGTNSVGWAVITDEYKVPSKKFKVLGNTDRHSIKKN
LIGALLFDSGETAEATRLKRTARRRYTRRKNRICYLQEIFSNEMAKVDDSFFHRLEESF
LVEEDKKHERHPIFGNIVDEVAYHEKYPTIYHLRKKLVDSTDKADLRLIYLALAHMIKF
RGHFLIEGDLNPDNSDVDKLFIQLVQTYNQLFEENPINASGVDAKAILSARLSKSRRLE
NLIAQLPGEKKNGLFGNLIALSLGLTPNFKSNFDLAEDAKLQLSKDTYDDDLDNLLAQI
GDQYADLFLAAKNLSDAILLSDILRVNTEITKAPLSASMIKRYDEHHQDLTLLKALVRQ
QLPEKYKEIFFDQSKNGYAGYIDGGASQEEFYKFIKPILEKMDGTEELLVKLNREDLLR
KQRTFDNGSIPHQIHLGELHAILRRQEDFYPFLKDNREKIEKILTFRIPYYVGPLARGN
SRFAWMTRKSEETITPWNFEEVVDKGASAQSFIERMTNFDKNLPNEKVLPKHSLLYEYF
TVYNELTKVKYVTEGMRKPAFLSGEQKKAIVDLLFKTNRKVTVKQLKEDYFKKIECFDS
VEISGVEDRFNASLGTYHDLLKIIKDKDFLDNEENEDILEDIVLTLTLFEDREMIEERL
KTYAHLFDDKVMKQLKRRRYTGWGRLSRKLINGIRDKQSGKTILDFLKSDGFANRNFMQ
LIHDDSLTFKEDIQKAQVSGQGDSLHEHIANLAGSPAIKKGILQTVKVVDELVKVMGRH
KPENIVIEMARENQTTQKGQKNSRERMKRIEEGIKELGSQILKEHPVENTQLQNEKLYL
YYLQNGRDMYVDQELDINRLSDYDVDHIVPQSFLKDDSIDNKVLTRSDKARGKSDNVPS
EEVVKKMKNYWRQLLNAKLITQRKFDNLTKAERGGLSELDKAGFIKRQLVETRQITKHV
AQILDSRMNTKYDENDKLIREVKVITLKSKLVSDFRKDFQFYKVREINNYHHAHDAYLN
AVVGTALIKKYPKLESEFVYGDYKVYDVRKMIAKSEQEIGKATAKYFFYSNIMNFFKTE
ITLANGEIRKRPLIETNGETGEIVWDKGRDFATVRKVLSMPQVNIVKKTEVQTGGFSKE
SILPKRNSDKLIARKKDWDPKKYGGFDSPTVAYSVLVVAKVEKGKSKKLKSVKELLGIT
IMERSSFEKNPIDFLEAKGYKEVKKDLIIKLPKYSLFELENGRKRMLASAGELQKGNEL
ALPSKYVNFLYLASHYEKLKGSPEDNEQKQLFVEQHKHYLDEIIEQISEFSKRVILADA
NLDKVLSAYNKHRDKPIREQAENIIHLFTLTNLGAPAAFKYFDTTIDRKRYTSTKEVLD
ATLIHQSITGLYETRIDLSQLGGD"
CDS 10900..10920
/codon_start=1
/product="nuclear localization signal of SV40 (simian virus
40) large T antigen"
/label=SV40 NLS
/translation="PKKKRKV"
CDS 10945..11094
/codon_start=1
/product="tetrameric repeat of the minimal activation
domain of herpes simplex virus VP16 (Beerli et al., 1998)"
/label=VP64
/translation="DALDDFDLDMLGSDALDDFDLDMLGSDALDDFDLDMLGSDALDDF
DLDML"
CDS 11116..11169
/codon_start=1
/product="2A peptide from Thosea asigna virus capsid
protein"
/label=T2A
/note="Eukaryotic ribosomes fail to insert a peptide bond
between the Gly and Pro residues, yielding separate
polypeptides."
/translation="EGRGSLLTCGDVEENPGP"
CDS 11170..11568
/codon_start=1
/gene="Aspergillus terreus BSD"
/product="blasticidin S deaminase"
/label=BSD
/note="confers resistance to blasticidin"
/translation="MAKPLSQEESTLIERATATINSIPISEDYSVASAALSSDGRIFTG
VNVYHFTGGPCAELVVLGTAAAAAAGNLTCIVAIGNENRGILSPCGRCRQVLLDLHPGI
KAIVKDSDGQPTAVGIRELLPSGYVWEG"
misc_feature 11593..12181
/label=WPRE
/note="woodchuck hepatitis virus posttranscriptional
regulatory element"
primer_bind complement(11646..11666)
/label=WPRE-R
/note="WPRE, reverse primer"
CDS complement(12064..12075)
/codon_start=1
/product="Factor Xa recognition and cleavage site"
/label=Factor Xa site
/translation="IEGR"
primer_bind complement(12184..12200)
/label=KS primer
/note="common sequencing primer, one of multiple similar
variants"
primer_bind complement(12185..12201)
/label=pBluescriptKS
/note="For pBluescript vector"
LTR 12706..12886
/label=5 LTR (truncated)
/note="truncated 5 long terminal repeat (LTR) from HIV-1"
primer_bind complement(12912..12929)
/label=BGH-rev
/note="Bovine growth hormone terminator, reverse primer.
Also called BGH reverse"
polyA_signal 12918..13142
/label=bGH poly(A) signal
/note="bovine growth hormone polyadenylation signal"
rep_origin join(13188..13500,1..116)
/direction=RIGHT
/label=f1 ori
/note="f1 bacteriophage origin of replication; arrow
indicates direction of (+) strand synthesis"
primer_bind complement(13275..13294)
/label=F1ori-R
/note="F1 origin, reverse primer"
primer_bind join(13485..13500,1..6)
/label=F1ori-F
/note="F1 origin, forward primer"