4.2 Properties of Actinidin

4.2.1 Molecularbiological Properties
 
Actinidin References
Allergen Nomenclature  Act c 1 (1) Larsen & Lowenstein 1998
Molecular Mass Mr 30 kDa (1) Pastorello et al. 1998
Isoelectric Point  pI 3.5
(1) Pastorello et al. 1998
Amino Acid Sequence 
SWISS-PROT:  P00785 
254 residues (1) 
sequence variation in 2 kiwi varieties (2)
(1) Carne & Moore 1978 
(2) Naylor et al. 1989
cDNA / mRNA Sequence 
EMBL: X16466, X13013, X13139, X57551 
809 nucleotides (1, 2), Sequence (1, 2)
(1) Praekelt et al. 1988 
(2) Podivinsky et al. 1989
recombinant Actinidin 
expression in tabacco (1)
(1) Paul et al. 1995
3D-Structure 
X-ray studies (1) 
complex with inhibitor (2)
(1) Baker 1980 
(2) Varughese 1992
Posttranslational Modifications 
Disulfide bonds: 
3 disulfide bonds  (1)  

Glycosylation: 
no glycosylation by periodic acid-Schiff stain (2)

(1) SWISS-PROT:  P00785 
(2) Pastorello et al. 1998
Biological Function 
enzyme: thiol-protease, EC 3.4.22.14  
specificity close to papain (1)
(1) Baker et al. 1980
 

4.2.2 Allergenic Properties
 
Actinidin References
Immunoglobulines 
IgE-binding studies (1)
(1) see 4.1 Sensitization to Kiwi Fruit Allergens
 

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