C7555
Concanavalin A from Canavalia ensiformis (Jack bean)
agarose conjugate, Type VI, saline suspension
Synonym(s):
ConA
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About This Item
UNSPSC Code:
12161501
NACRES:
NA.32
biological source
Canavalia ensiformis
Quality Level
conjugate
agarose conjugate
type
Type VI
form
saline suspension
extent of labeling
15-30 mg concanavalin A protein per mL
matrix
cross-linked 4% beaded agarose
matrix activation
cyanogen bromide
matrix attachment
amino
matrix spacer
1 atom
capacity
5-15 mg/mL binding capacity (yeast mannan)
storage temp.
2-8°C
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General description
Concanavalin A (Con A), isolated from Jack beans (Canavalia ensiformis), is a mannose or glucose specific-binding lectin. The lectin is a tetramer and each subunit possesses a saccharide-binding site. Con A can be isolated by affinity chromatography with dextrans.
Application
Concanavalin A (Con A) has been used for enzyme immobilization.
Used for the purification of glycoproteins containing mannose
Biochem/physiol Actions
Concanavalin A (Con A) is a T cell mitogen that can activate the lymphocytes.
Con A can induce tumor cell death through autophagy.
Con A can induce tumor cell death through autophagy.
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.
Physical form
Suspension in 1.0 M NaCl + 0.1 M potassium phosphate, pH 6.0, with 1 mM CaCl2, 1 mM MgCl2 and 1 mM MnCl2 containing preservative
Analysis Note
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.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Resp. Sens. 1 - Skin Sens. 1
Storage Class Code
12 - Non Combustible Liquids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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A Kobata et al.
Journal of chromatography, 597(1-2), 111-122 (1992-04-24)
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