Expresses AcrVA5 in bacteria, under TetR control.
| 载体基本信息 | |||
| 载体名称 | pKEW303-AcrVA5 | 载体抗性 | Ampicillin |
|---|---|---|---|
| 载体长度 | 3198 bp | 载体类型 | E.coli expression plasmid |
| 载体来源 | Jennifer Doudna | 拷贝数 | High copy number |
| 启动子 | tetR/tetA promoters | ||
pKEW303-AcrVA5 载体载体图谱
pKEW303-AcrVA5 载体载体序列
LOCUS Exported 3198 bp ds-DNA circular SYN 31-AUG-2022
DEFINITION Expresses AcrVA5 in bacteria, under TetR control..
ACCESSION .
VERSION .
KEYWORDS pKEW303-AcrVA5
SOURCE synthetic DNA construct
ORGANISM synthetic DNA construct
REFERENCE 1 (bases 1 to 3198)
AUTHORS Watters KE, Fellmann C, Bai HB, Ren SM, Doudna JA
TITLE Systematic discovery of natural CRISPR-Cas12a inhibitors.
JOURNAL Science. 2018 Oct 12;362(6411):236-239. doi:
10.1126/science.aau5138. Epub 2018 Sep 6.
PUBMED 30190307
REFERENCE 2 (bases 1 to 3198)
AUTHORS .
TITLE Direct Submission
FEATURES Location/Qualifiers
source 1..3198
/organism="synthetic DNA construct"
/mol_type="other DNA"
promoter 1..56
/gene="tetR"
/note="tetR/tetA promoters"
/note="overlapping promoters for bacterial tetR and tetA"
protein_bind 37..55
/gene="tetO"
/bound_moiety="tetracycline repressor TetR"
/note="tet operator"
/note="bacterial operator O2 for the tetR and tetA genes"
CDS 83..361
/codon_start=1
/note="anti-CRISPR N-acetyltransferase AcrVA5"
/translation="MKIELSGGYICYSIEEDEVTIDMVEVTTKRQGIGSQLIDMVKDVA
REVGLPIGLYAYPQDDSISQEDLIEFYFSNDFEYDPDDVDGRLMRWS"
terminator 594..621
/note="rrnB T2 terminator"
/note="transcription terminator T2 from the E. coli rrnB
gene"
rep_origin complement(747..1335)
/direction=LEFT
/note="ori"
/note="high-copy-number ColE1/pMB1/pBR322/pUC origin of
replication"
CDS complement(1506..2366)
/codon_start=1
/gene="bla"
/product="beta-lactamase"
/note="AmpR"
/note="confers resistance to ampicillin, carbenicillin, and
related antibiotics"
/translation="MSIQHFRVALIPFFAAFCLPVFAHPETLVKVKDAEDQLGARVGYI
ELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRIDAGQEQLGRRIHYSQNDLVEYS
PVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRW
EPELNEAIPNDERDTTMPVAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSA
LPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGAS
LIKHW"
promoter complement(2367..2471)
/gene="bla"
/note="AmpR promoter"
CDS complement(2557..3180)
/codon_start=1
/gene="tetR from transposon Tn10"
/product="tetracycline repressor TetR"
/note="TetR"
/note="TetR binds to the tetracycline operator tetO to
inhibit transcription. This inhibition can be relieved by
adding tetracycline or doxycycline."
/translation="MSRLDKSKVINSALELLNEVGIEGLTTRKLAQKLGVEQPTLYWHV
KNKRALLDALAIEMLDRHHTHFCPLEGESWQDFLRNNAKSFRCALLSHRDGAKVHLGTR
PTEKQYETLENQLAFLCQQGFSLENALYALSAVGHFTLGCVLEDQEHQVAKEERETPTT
DSMPPLLRQAIELFDHQGAEPAFLFGLELIICGLEKQLKCESGS"
