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Lac I Antibody (600-401-B04) in WB
Western blot using Rocklands affinity purified anti-Lac I antibody shows detection of a 38 kDa band corresponding to recombinant Lac I (arrowhead). The blot was blocked with 5% BLOTTO in TTBS overnight at 4°C. Primary antibody was used at a 1:1,000 dilution followed by reaction with a 1:10,000 dilution of HRP goat anti-rabbit IgG. ECL was used for detection. Personal communication, S. Hughes & M. Abram, NCI, Bethesda, MD.
产品信息
600-401-B04
产品规格
种属反应
Bacteria
宿主/亚型
Rabbit
/ IgG
分类
Polyclonal
类型
Antibody
抗原
This affinity purified antibody was prepared from whole rabbit serum produced by repeated immunizations with a full-length recombinant Lac I protein.
偶联物
Unconjugated
形式
Liquid
浓度
1 mg/mL
纯化类型
Affinity chromatography
保存液
0.02M potassium phosphate, pH 7.2, with 0.15M NaCl
内含物
0.01% sodium azide
保存条件
-20°C, Avoid Freeze/Thaw Cycles
运输条件
Ambient (domestic); Wet ice (international)
产品详细信息
Store vial at -20° C prior to opening. Aliquot contents and freeze at -20° C or below for extended storage. Avoid cycles of freezing and thawing. Centrifuge product if not completely clear after standing at room temperature. This product is stable for several weeks at 4° C as an undiluted liquid. Dilute only prior to immediate use.
This antibody reacts with recombinant Lac I protein. A BLAST analysis was used to suggest cross-reactivity with Lac I from DNA-binding transcriptional repressor in Escherichia coli (strain DH10B) and transcriptional repressor of the lac operon in Shigella sonnei (strain Ss046) based on a 100% homology with the immunizing sequence. Cross-reactivity with Lac I from other sources has not been determined.
靶标信息
The lac repressor protein (Lac I) is an important genetic control protein. It controls the expression of the lactose metabolizing enzymes in Escherichia coli. This regulation involves specific recognition of the operator DNA sequence (Lac O) and consequent inhibition of transcription initiation by RNA polymerase; modulation of binding at this target site by small sugar molecules, inducers, provides the basis for regulation. Different ligand binding activities are associated with the isolated domains of Lac I: specific and nonspecific DNA binding with the NH2 termini, and inducer and specific DNA binding with the core protein. This antibody could possibly be used to recover and purify protein/nucleic acid complexes (host and viral proteins associated with the viral DNA) from infected cells.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
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