Biochemical Data: Mustard and B. nigra 2S albumin

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BIOCHEMICAL INFORMATION for Mustard

Allergen Name:

B. nigra 2S albumin

Alternatve Allergen Names:

Allergen Designation:

Major

Protein Family:

Pfam PF00234, 2S seed storage proteins

Sequence Known?:

Yes

Allergen accession No.s:

http://us.expasy.org/cgi-bin/niceprot.pl?Q42491

3D Structure Accession No.:

Not determined

Calculated Masses:

20451 Da for the precursor.

Experimental Masses:

Not known

Oligomeric Masses:

Not known

Allergen epitopes:

Not known

Allergen stability:
Process, chemical, enzymatic

This is not known, but it is anticipated it will be similar to the homologous allergen from yellow mustard.

Nature of main cross-reacting proteins:

Not known

Allergen properties & biological function:

Storage protein (2S albumin)

Allergen purification:

Allergens from this species of mustard have not been purified.

Other biochemical information:

It has not been specifically demonstrated that the 2S albumin of this B. nigra seed whose amino acid sequence is reported has allergenicity, but it may reasonable by comparison with Sinapis alba seeds and Sin a 1 (Monreal et al. 1992 [423]).

References (3)

Dasgupta J., Dasgupta S., Ghosh S., Roy B., Mandel R.K.
Deduced amino acid sequence of 2S storage protein from Brassica species and their conserved structural features Indian J. Biochem. Biophys. 32:378-384 1995
PUBMED ID: 8714208

[1161]

Monreal P, Botey J, Pena M, Mar¡n A & Eseverri JL
Mustard allergy. Two anaphylactic reactions to ingestion of mustard sauce. Ann Allergy 69: 317-320. 1992
PUBMED ID: 1416267

[423]

Monsalve RI, Villalba M, Rodr¡guez. R
Allergy to Mustard Seeds: The Importance of 2S Albumins as Food Allergens. Int Symp Food Allergens 3(2):57-69. 2001
PUBMED ID: unknown

[119]

This record was last modified on 18-Oct-2006
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