₩289,783
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추천 제품
분석
≥90% (SDS-PAGE)
양식
lyophilized
특이 활성도
≥20000 units/mg protein
분자량
27 kDa
포장
pkg of 2 μg (11420488001)
pkg of 3 × 2 μg (11054589001)
제조업체/상표
Roche
최적 pH
7.0-8.0
pH 범위
6.5-9.0
저장 온도
2-8°C
일반 설명
The wild type of Pseudomonas fragi segregates a metalloprotease, which cleaves peptide bonds N-terminally at small hydrophilic amino acids. A mutant of this strain produces the Endoproteinase Asp-N Sequencing Grade, which is isolated as a highly purified and specific protease.
특이성
Endoproteinase Asp-N Sequencing Grade is a metalloprotease. In phosphate, acetate, or Tris buffers at pH 6.0–8.5, it specifically cleaves peptide bonds N-terminally at aspartic and cysteic acid. If cysteine is reduced or alkylated, only -↓-Asp-X is cleaved.
The specificity of Endoproteinase Asp-N Sequencing Grade is verified with glucagon as a substrate. High concentrations of Endoproteinase Asp-N Sequencing Grade (1 part by weight enzyme with 10 parts by weight glucagon) are incubated to detect traces of impurities like contaminating proteases.
Heat inactivation: The protease is stopped by boiling for 5 minutes.
The specificity of Endoproteinase Asp-N Sequencing Grade is verified with glucagon as a substrate. High concentrations of Endoproteinase Asp-N Sequencing Grade (1 part by weight enzyme with 10 parts by weight glucagon) are incubated to detect traces of impurities like contaminating proteases.
Heat inactivation: The protease is stopped by boiling for 5 minutes.
애플리케이션
제조 메모
Working concentration: 2 μg /50 μl double-dist. water
One vial (= 2 μg enzyme) is dissolved in 50 μl double-dist. water resulting in a buffer concentration of 10 mM Tris-HCl pH 7.5.
Working solution: Recommended solvent is double-distilled water.
Storage conditions (working solution): -15 to -25 °C
A solution in double-dist. water is stable for 1 week at maximum at 2 to 8 °C and for about 1 month at -15 to -25 °C; repeated thawing should be avoided.
One vial (= 2 μg enzyme) is dissolved in 50 μl double-dist. water resulting in a buffer concentration of 10 mM Tris-HCl pH 7.5.
Working solution: Recommended solvent is double-distilled water.
Storage conditions (working solution): -15 to -25 °C
A solution in double-dist. water is stable for 1 week at maximum at 2 to 8 °C and for about 1 month at -15 to -25 °C; repeated thawing should be avoided.
재구성
Lyophilized Endoproteinase Asp-N sequencing grade is reconstituted in 50 μl double-dist. water. This results in a buffer concentration of 10 mM Tris-HCl, pH 7.5. In order to avoid autolysis the incubation temperature should not exceed 37 °C.
기타 정보
For life science research only. Not for use in diagnostic procedures.
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point (°F)
does not flash
Flash Point (°C)
does not flash
이미 열람한 고객
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자사의 과학자팀은 생명 과학, 재료 과학, 화학 합성, 크로마토그래피, 분석 및 기타 많은 영역을 포함한 모든 과학 분야에 경험이 있습니다..
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