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Merck

A7550

Sigma-Aldrich

Achromopeptidase from Achromobacter lyticus

lyophilized powder, Protein ~5 % by biuret, 300-600 units/mg solid

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About This Item

MDL號碼:
分類程式碼代碼:
12352204

形狀

lyophilized powder

比活性

300-600 units/mg solid

成份

Protein, ~5% biuret

異物活動

Collagenase, present

儲存溫度

−20°C

生化/生理作用

Achromopeptidase is a lysyl endopeptidase with a MW of ~27 kDa. It is useful for lysis of Gram-positive bacteria that are resistant to lysozyme.
pH Optimum for activity: pH 8.5 - 9
Approximately 500-1,500 un/ml achromopetidase can be used to lyse cells at a density of OD600=0.6 over 2 hours at 37 °C.

單位定義

One unit will produce a change in A600 of 0.001 per minute per mL at pH 8.0 at 37 °C using a suspension of Micrococcus lysodeikticus as substrate (1 cm light path).

外觀

Crude powder containing salts and medium components

象形圖

Health hazard

訊號詞

Danger

危險聲明

防範說明

危險分類

Resp. Sens. 1

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Faceshields, Gloves


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Beatrice Quevedo et al.
BMC microbiology, 11, 14-14 (2011-01-21)
The purpose of this study was to design and evaluate fluorescent in situ hybridization (FISH) probes for the single-cell detection and enumeration of lactic acid bacteria, in particular organisms belonging to the major phylogenetic groups and species of oral lactobacilli
Niamh Toomey et al.
Applied and environmental microbiology, 75(10), 3146-3152 (2009-03-10)
Three wild-type dairy isolates of lactic acid bacteria (LAB) and one Lactococcus lactis control strain were analyzed for their ability to transfer antibiotic resistance determinants (plasmid or transposon located) to two LAB recipients using both in vitro methods and in
T Masaki et al.
Biochimica et biophysica acta, 660(1), 44-50 (1981-07-24)
Achromobacter lyticus M497-1 produces three kinds of alkaline proteases (protease I, II and III) in culture medium along with the bacteriolytic enzyme (Masaki, T., Nakamura, K., Isono, M. and Soejima, M. (1978) Agric. Biol. Chem. 42, 1443--1445). Among these three
T Masaki et al.
Biochimica et biophysica acta, 660(1), 51-55 (1981-07-24)
The unique specificity of Achromobacter protease I for lysine residue was investigated using synthetic and natural substrates, i.e., lysine derivatives, arginine derivatives, lysine vasopressin, substance P, ACTH and insulin. The enzyme cleaved only the -Lys-X- bonds in the above substrates.
Raju Sekar et al.
Applied and environmental microbiology, 69(5), 2928-2935 (2003-05-07)
We tested a previously described protocol for fluorescence in situ hybridization of marine bacterioplankton with horseradish peroxidase-labeled rRNA-targeted oligonucleotide probes and catalyzed reporter deposition (CARD-FISH) in plankton samples from different lakes. The fraction of Bacteria detected by CARD-FISH was significantly

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