Összes fotó(1)
Fontos dokumentumok
10223565001
Roche
Histone
from calf thymus
Szinonimák:
histone
Bejelentkezésa Szervezeti és Szerződéses árazás megtekintéséhez
Összes fotó(1)
About This Item
UNSPSC kód:
12352204
Javasolt termékek
Minőségi szint
Forma
lyophilized
kiszerelés
pkg of 10 mg
gyártó/kereskedő neve
Roche
kiszállítva
wet ice
tárolási hőmérséklet
2-8°C
Related Categories
Általános leírás
Mixture of histones H1, H2A, H2B, H3, and H4, isolated from calf thymus.
Histones are a group of DNA-binding proteins that are characterized by relatively high levels of lysine and arginine. Five different fractions of histones have been isolated and characterized. These are named as H1, H2A, H2B, H3 and H4. The H1 fraction is lysine-rich, while the H2A and H2B are slightly lysine-rich, The H3 and H4 fractions are arginine-rich. The molecular weights of histones are approximately 11 to 21 kDa depending on the fraction.
Histones are a group of DNA-binding proteins that are characterized by relatively high levels of lysine and arginine. Five different fractions of histones have been isolated and characterized. These are named as H1, H2A, H2B, H3 and H4. The H1 fraction is lysine-rich, while the H2A and H2B are slightly lysine-rich, The H3 and H4 fractions are arginine-rich. The molecular weights of histones are approximately 11 to 21 kDa depending on the fraction.
Alkalmazás
Histone from calf thymus has been used:
- in in vitro kinase assay to check the phosphorylation of histones by protein kinase A.
- to check the in vitro methyltransferase activity of protein argininemethyltransferases from Oryza sativa (OsPRMTs).
- in anti-histone ELISA.
Biokémiai/fiziológiai hatások
Histones have an important role in the organization and modification of chromatin. The nucleosome is the basic unit of the chromatin. It is made up of two molecules each of histones H2A, H2B, H3 and H4, wrapped with approximately 146bp of DNA. Histone H1 binds to the nucleosomes at the DNA entry and exit points and stabilizes them.
Fizikai forma
Lyophilizate (natural mixture of histones H1, H2A, H2B, H3, and H4).
Elkészítési megjegyzés
Working concentration: 1 to 5 mg/ml.
Working solution: Recommended solvent is double-distilled water.
Storage conditions (working solution): Aqueous solution is stable at -15 to -25 °C for several months.
Avoid repeated freezing and thawing!
Working solution: Recommended solvent is double-distilled water.
Storage conditions (working solution): Aqueous solution is stable at -15 to -25 °C for several months.
Avoid repeated freezing and thawing!
Egyéb megjegyzések
For life science research only. Not for use in diagnostic procedures.
Tárolási osztály kódja
11 - Combustible Solids
WGK
WGK 1
Lobbanási pont (F)
Not applicable
Lobbanási pont (C)
Not applicable
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