PVUI-RO
Roche
Pvu I
from Proteus vulgaris
About This Item
Prodotti consigliati
Origine biologica
bacterial (Proteus vulgaris)
Livello qualitativo
Forma fisica
solution
Attività specifica
5000 units/mL
Confezionamento
pkg of 100 U (10650137001 [5 U/μl])
pkg of 500 U (10650129001 [5 U/μl])
Produttore/marchio commerciale
Roche
Parametri
37 °C optimum reaction temp.
Colore
colorless
pH
7.5-7.6 (37 °C)
Solubilità
water: miscible
Compatibilità
suitable for molecular biology
applicazioni
life science and biopharma
sample preparation
Attività estranea
Non specific endunuclease <10%
Non specific endunuclease, none detected
Temperatura di conservazione
−20°C
Specificità
Recognition sites: CG°AT*CG
CG°AT*CG
Restriction site: CG°AT↓*CG
CG°AT↓*CG
Heat inactivation: No inactivation of Pvu I after incubation at 65 °C for 15 minutes.
Qualità
1μg λDNA is incubated for 16hours in 50μl SuRE/Cut Buffer H with an excess of Pvu I. The number of enzyme units which do not change the enzyme-specific pattern is stated in the certificate of analysis.
Absence of exonuclease activity
Approximately 5μg [3H] labeled calf thymus DNA are incubated with 3μl Pvu I for 4hours at +37°C in a total volume of 100μl 50mM Tris-HCl, 10mM MgCl2, 1mM Dithioerythritol, pH approximately 7.5. Under these conditions, no release of radioactivity is detectable, as stated in the certificate of analysis.
Profilo DNA
- λ: 3
- φX174: 0
- Ad2: 7
- M13mp7: 1
- pBR322: 1
- pBR328: 1
- pUC18: 2
- SV40: 0
Definizione di unità
Stoccaggio e stabilità
Risultati analitici
Pvu I generates ends that are compatible with fragments generated by Pac I.
Isoschizomers
Pvu I is an isoschizomer to BspC I and Xor II.
Methylation sensitivity
Pvu I cleavage is not inhibited by overlapping dam-methylation at the site indicated (°) on the recognition sequence, but Pvu I fragments of DNA isolated from dam+ strains are not as readily religated as those isolated from dam- strains. Pvu I is inhibited by 5-methylcytosine at the indicated site (°) and by 4-methylcytosine.
SuRE/Cut Buffer System
The buffer in bold is recommended for optimal activity
- A: 50-75%
- B: 75-100%
- H: 100%
- L: 25-50%
- M: 50-75%
Incubation temperature
+37°C
Unit definition
One Unit is the enzyme activity that completely cleaves 1μg λDNA in 1 hour at +37°C in a total volume of 25μl SuRE/Cut Buffer H.
Heat inactivation
Pvu I cannot be heat inactivated by incubating it for 15 minutes at +65°C.
PFGE tested
Pvu I has been tested in Pulsed-Field Gel Electrophoresis (on bacterial chromosomes). For cleavage of genomic DNA (E. coli C 600) embedded in agarose for PFGE analysis, we recommend 10U of enzyme/μg DNA and 4 hour incubation time.
Ligation and recutting assay
Pvu I fragments obtained by complete digestion of 1 μg pBR322 DNA are ligated with 1U T4 DNA Ligase in a volume of 10μl by incubation for 16hours at +4°C in 66mM Tris-HCl, 5mM MgCl2, 5mM Dithiothreitol, 1mM ATP, pH 7.5 (at +20°C) resulting in >80% recovery of 1μg pBR322 DNA fragments.
Subsequent re-cutting with Pvu I yields >95% of the typical pattern of pBR322 DNA × Pvu I fragments.
Relative activity in PCR mix (Taq DNA Polymerase buffer) is less than 5%. The PCR mix contained λDNA, primers, 10 mM Tris-HCl (pH 8.3, 20 °C), 50 mM KCl, 1.5 mM MgCl2, 200 μM dNTPs, 2.5 U Taq DNA polymerase. The mix was subjected to 25 amplification cycles.
Altre note
Solo come componenti del kit
- Enzyme Solution
- SuRE/Cut Buffer H 10x concentrated
Codice della classe di stoccaggio
12 - Non Combustible Liquids
Classe di pericolosità dell'acqua (WGK)
WGK 1
Punto d’infiammabilità (°F)
does not flash
Punto d’infiammabilità (°C)
does not flash
Certificati d'analisi (COA)
Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.
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Articoli
The term “Restriction enzyme” originated from the studies of Enterobacteria phage λ (lambda phage) in the laboratories of Werner Arber and Matthew Meselson.
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