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pBend3 plasmid in E. coli

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編號(hào):B224812

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產(chǎn)品名稱

pBend3 plasmid in E. coli

商品貨號(hào)

B224812

Designations

pBend3 plasmid in E. coli

Depositors

C Zwieb

培養(yǎng)基

Biosafety Level

Vector Information

Size (kb): 3.19

Vector: pBend3 (plasmid)

Promoters: Promoter T7 (phi10)

Construction: pBluescriptSK-

Marker(s):ampR

Construct size (kb): 3.19

Features: marker(s): ampR
promoter: T3
promoter: T7 (phi10)
replicon: pMB1
MCS: HindIII...EcoRI

Applications

vector containing primer sites useful for sequencing

vector for studying DNA-protein interactions

Comments

One of three vectors (ATCC 87121-87123) designed for studying the amount of bending induced at a DNA binding site due to DNA-protein interactions. The three vectors differ only in the available cloning sites.

Vector constructed by insertion of the pBend2 polylinker into pBluescriptSK- at the EcoRI-HindIII sites followed by destruction of the Bluescript XbaI and SalI sites.

Target DNA binding sites can be cloned into the vector and an array of fragments can be generated (by restriction digestion with different enzymes) that are equal in length, but differ in the position of the DNA binding site along the fragment.

The reduced mobility of different protein-fragment complexes can then by analyzed by gel electrophoresis to determine the degree of bending induced by protein binding.

Restriction digests of the clone give the following sizes (kb): BglI--1.6, 1.3, 0.32, 0.24; EcoRI/HindIII--3.0, 0.29; XbaI--3.2.

Media

ATCC^® Medium 1227: LB Medium (ATCC medium 1065) with 50 mcg/ml ampicillin

Growth Conditions

Temperature: 37.0°C

References

Kim J, et al. Bending of DNA by gene-regulatory proteins: construction and use of a DNA bending vector. Gene 85: 15-23, 1989. PubMed: 2533576

Zwieb C, Adhya SImproved plasmid vectors for the analysis of protein-induced DNA bendingIn: Zwieb C, Adhya SMethods in Molecular Biology, Vol 30: DNA-Protein interactions: Principles and ProtocolsTotowa, NJThe Humana Press, Inc.pp. 281-294, 1994

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Shipping Information

Plasmid in Escherichia coli HB101

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