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Merck
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L2646

Sigma-Aldrich

Lectin from Phaseolus vulgaris (red kidney bean)

Phytohemagglutinin PHA-M, lyophilized powder

동의어(들):

Phaseolus vulgaris agglutinin, PHA

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크기 선택

10 MG
₩131,240
25 MG
₩204,726
100 MG
₩645,540

₩131,240

구입 가능 여부는 고객센터에 문의하십시오.
모든 사진(4)

크기 선택

보기 변경
10 MG
₩131,240
25 MG
₩204,726
100 MG
₩645,540

About This Item

EC Number:
232-718-7
UNSPSC 코드:
12352202
NACRES:
NA.32

₩131,240

구입 가능 여부는 고객센터에 문의하십시오.

Quality Level

300

양식

lyophilized powder

효능

<40 μg per mL agglutination activity

구성

Protein, 50-70% biuret

불순물

salt, free

저장 온도

2-8°C

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관련 카테고리

생화학적/생리학적 작용

PHA consists of two molecular species, an erythroagglutinin (PHA-E) which has low mitogenic activity and high erythroagglutinin activity, and leucoagglutinin (PHA-L) which has high mitogenic and leucoagglutinating activity, but very low erythroagglutinating activity.
PHA-E is not blood group specific, but agglutination can be inhibited by certain oligosaccharides. PHA-P is the protein form of PHA prior to separation and purification of erythroagglutinin and leucoagglutinin. PHA-M is the mucoprotein form. Conjugates are prepared from the corresponding purified lectins.

분석 메모

Agglutination activity is expressed in μg/mL and is determined from serial dilutions of a 1 mg/mL solution. This activity is the lowest concentration to agglutinate a 2% suspension of human erythrocytes in phosphate buffered saline, pH 6.8, after 1 hr incubation at 25 °C.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

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시험 성적서(COA)

Lot/Batch Number
0000334550
0000334550
0000287007
0000287006
0000229856

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문서

Lectin Selection Guide: A Useful Guide for Selecting the Right Lectin

Find the right lectin for your research with our lectin selection guide, organized by lectin source/species, carbohydrate specificity, blood group specificity, and more.

질문

  1. What do the designations -P, -L, -M, and -E represent in the names of PHA products?

    1 답변

    1. Generally, PHA-P or PHA-L is utilized to stimulate lymphocytes, although PHA-M will also work, but not to the same degree. The most active form is PHA-L (the mitogenic concentration is < 5μg/ml). PHA, or Phytohemagglutinin, comprises two molecular species:

      1. Erythroagglutinin (PHA-E), which demonstrates low mitogenic activity and high erythroagglutinating activity.

      2. Leucoagglutinin (PHA-L), which possesses high mitogenic and leucoagglutinating activity, accompanied by very low erythroagglutinating activity.

      PHA-P represents the protein form of PHA before the erythroagglutinin and leucoagglutinin components are separated and purified. PHA-M refers to the mucoprotein form of Phytohemagglutinin.

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