我们所展示的质粒图谱主要是从文献和开放数据库中收集而来,主要是为了方便研究工作,其中一小部分质粒进行了质量控制,可供科学家使用。

所有的产品都严格仅供科学研究使用,不能应用于临床试验,包括人体摄入、注射或外用的药理学用途。

确保质粒的关键元件正确,但是我们并不能保证实验结果。页面展示的图谱序列为理论序列,可能与测序结果不一致,请自行比对后确定是否满足要求。(如果测过序,本页面一般会提供下载)

开放数据库中的大多数载体序列都没有被完全测序。如果实际序列与参考序列的相似度超过99%,则将其视为正确。

由于科学研究是在探索未知,具有很大的不确定性,在任何情况下,我们都不承担超出质粒本身的额外经济损失或责任。

pBBR1MCS-3 is small in size, contains unique cloning sites within the lacZα gene, and is mobilizable and compatible with various plasmid incompatibility groups.

载体名称:
pBBR1MCS-3
载体抗性:
Tetracycline
载体长度:
5228 bp
载体类型:
Broad Host Shuttle Vectors
复制子:
pBBR1 oriV
拷贝数:
Low copy number
启动子:
tet
感受态:
DH5alpha
培养温度:
37℃

pBBR1MCS-3 载体图谱

pBBR1MCS-35228 bp6001200180024003000360042004800pBBR1 oriVpBBR1 RepM13 fwdT7 promoterMCST3 promoterM13 revlac operatorlac promoterCAP binding siteTcRtet promoter

质粒操作方法

1. 发货形式:质粒干粉(常温运输,存于-20度,请务必先转化提质粒后使用)

2. 收到质粒干粉后请先5000rpm离心1min,再加入20μl ddH2O溶解质粒;(质粒复测的浓度有时候与标称值差距较大,这可能是因为冻干质粒在管中的位置、复溶效率、测量偏差以及管壁的吸附导致,因此建议先转化提质粒后再使用)

3. 取1支100μl 感受态于冰上解冻10min,加入2μl质粒,再冰浴30min后,42℃热激60s,不要搅动,再冰浴2min;

4. 加入900μl无抗的LB液体培养基,180rpm震荡37℃培养45min (30℃培养1-1.5小时);

5. 6000rpm离心5min,仅留100μl上清液重悬细菌沉淀,并涂布至目标质粒抗性的LB平板上;

6. 将平板倒置37℃培养14h,如果要求是30℃则培养20h; (菌落过多则将质粒稀释后再转化;没有菌落则加入10μl质粒转化;建议不要直接转表达感受态, 要先转克隆感受态,重提质粒后再导入表达感受态);

7. 挑取单菌落至LB液体培养基中,加入对应抗生素,220rpm震荡培养14h,根据实验需要和质粒提取试剂盒说明书提取质粒。

pBBR1MCS-3 载体序列

LOCUS       40924_6039        5228 bp DNA     circular SYN 13-JAN-2022
DEFINITION  synthetic circular DNA.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      synthetic DNA construct
  ORGANISM  synthetic DNA construct
REFERENCE   1  (bases 1 to 5228)
  TITLE     Direct Submission
REFERENCE   2  (bases 1 to 5228)
  AUTHORS   .
  TITLE     Direct Submission
COMMENT     SGRef: number: 1; type: "Journal Article"
FEATURES             Location/Qualifiers
     source          1..5228
                     /mol_type="other DNA"
                     /organism="synthetic DNA construct"
     rep_origin      1023..1792
                     /label=pBBR1 oriV
                     /note="replication origin of the broad-host-range plasmid
                     pBBR1 from Bordetella bronchiseptica; requires the pBBR1 
                     Rep protein for replication"
     CDS             1793..2452
                     /codon_start=1
                     /label=pBBR1 Rep
                     /note="replication protein for the broad-host-range plasmid
                     pBBR1 from Bordetella bronchiseptica"
                     /translation="MATQSREIGIQAKNKPGHWVQTERKAHEAWAGLIARKPTAAMLLH
                     HLVAQMGHQNAVVVSQKTLSKLIGRSLRTVQYAVKDLVAERWISVVKLNGPGTVSAYVV
                     NDRVAWGQPRDQLRLSVFSAAVVVDHDDQDESLLGHGDLRRIPTLYPGEQQLPTGPGEE
                     PPSQPGIPGMEPDLPALTETEEWERRGQQRLPMPDEPCFLDDGEPLEPPTRVTLPRR"
     primer_bind     3162..3178
                     /label=M13 fwd
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     promoter        3188..3206
                     /label=T7 promoter
                     /note="promoter for bacteriophage T7 RNA polymerase"
     misc_feature    3215..3322
                     /label=MCS
                     /note="pBluescript multiple cloning site"
     promoter        complement(3335..3353)
                     /label=T3 promoter
                     /note="promoter for bacteriophage T3 RNA polymerase"
     primer_bind     complement(3374..3390)
                     /label=M13 rev
                     /note="common sequencing primer, one of multiple similar 
                     variants"
     protein_bind    complement(3398..3414)
                     /label=lac operator
                     /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(3422..3452)
                     /label=lac promoter
                     /note="promoter for the E. coli lac operon"
     protein_bind    complement(3467..3488)
                     /label=CAP binding site
                     /note="CAP binding activates transcription in the presence
                     of cAMP."
     CDS             complement(3685..4872)
                     /codon_start=1
                     /label=TcR
                     /note="tetracycline efflux protein"
                     /translation="MKSNNALIVILGTVTLDAVGIGLVMPVLPGLLRDIVHSDSIASHY
                     GVLLALYALMQFLCAPVLGALSDRFGRRPVLLASLLGATIDYAIMATTPVLWILYAGRI
                     VAGITGATGAVAGAYIADITDGEDRARHFGLMSACFGVGMVAGPVAGGLLGAISLHAPF
                     LAAAVLNGLNLLLGCFLMQESHKGERRPMPLRAFNPVSSFRWARGMTIVAALMTVFFIM
                     QLVGQVPAALWVIFGEDRFRWSATMIGLSLAVFGILHALAQAFVTGPATKRFGEKQAII
                     AGMAADALGYVLLAFATRGWMAFPIMILLASGGIGMPALQAMLSRQVDDDHQGQLQGSL
                     AALTSLTSITGPLIVTAIYAASASTWNGLAWIVGAALYLVCLPALRRGAWSRATST"
     promoter        complement(4920..4948)
                     /label=tet promoter
                     /note="E. coli promoter for tetracycline efflux protein
                     gene"