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L6397

Sigma-Aldrich

Concanavalin A from Canavalia ensiformis (Jack bean)

peroxidase conjugate, lyophilized powder

Sinônimo(s):

ConA

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About This Item

Código UNSPSC:
12352202
NACRES:
NA.32

fonte biológica

Canavalia ensiformis (jack bean)

Nível de qualidade

conjugado

peroxidase conjugate

forma

lyophilized powder

técnica(s)

blood typing: suitable
fractionation: suitable

Impurezas

carbohydrate, essentially free

temperatura de armazenamento

−20°C

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Aplicação

Detects glycoproteins containing α-D-mannose, α-D-glucose when used with appropriate peroxidase substrate
General Western Blot Protocol:
  • Glycoprotein sample size: 500ng
  • Lectin Concentration: 0.1ug/ml

  1. Load samples at 500 ng of glycoprotein per lane
  2. Run 4-20% Bis-Tris SDS page gel
  3. Transfer gel to a PVDF membrane
  4. Block membrane for 1 hr at RT with RIPA buffer (R0278 Sigma)
  5. Incubate HRP lectin at 0.1ug/ml with RIPA buffer for 2 hours at RT
  6. Wash membrane 5 x 5 minutes with 25ml RIPA buffer
  7. Detect using chemiluminescent substrate (CPS1-120)

Ações bioquímicas/fisiológicas

Con A is not blood group specific but has an affinity for terminal α-D-mannosyl and α-D-glucosyl residues. Ca2+ and Mn2+ ions are required for activity. Con A dissociates into dimers at pH 5.6 or below. Between pH 5.8 and pH 7.0, Con A exists as a tetramer; above pH 7.0 higher aggregates are formed. Con A exhibits mitogenic activity which is dependent on its degree of aggregation. Succinylation results in an active dimeric form which remains a dimer above pH 5.6.

Embalagem

Package size based on protein content

Definição da unidade

One unit will form 1 mg purpurogallin in 20 sec from pyrogallol at pH 6.0 at 20 °C.

forma física

Lyophilized powder containing tris-citrate buffer salts and trace calcium and manganese

Nota de preparo

Prepared from peroxidase type VI (P8375), using the method of Wilson and Nakane, which promotes conjugation but prevents the interaction between Con A and peroxidase sugar residues.

Nota de análise

Where reported, agglutination activity is expressed in μg/ml and is determined from serial dilutions in phosphate buffered saline, pH 6.8, containing Ca2+ and Mn2+ of a 1 mg per mL solution. This activity is the lowest concentration to agglutinate a 2% suspension of human erythrocytes after 1 hr incubation at 25 °C.

Pictogramas

Health hazard

Palavra indicadora

Danger

Frases de perigo

Classificações de perigo

Repr. 2 - Resp. Sens. 1 - Skin Sens. 1

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges


Certificados de análise (COA)

Busque Certificados de análise (COA) digitando o Número do Lote do produto. Os números de lote e remessa podem ser encontrados no rótulo de um produto após a palavra “Lot” ou “Batch”.

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