The Enzyme Database

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EC 3.4.23.38     
Accepted name: plasmepsin I
Reaction: Hydrolysis of the -Phe33┼Leu- bond in the α-chain of hemoglobin, leading to denaturation of the molecule
Other name(s): aspartic hemoglobinase I; PFAPG; malaria aspartic hemoglobinase
Comments: Known from the malaria organism, Plasmodium. About 37 kDa. In peptidase family A1 (pepsin A family), closest to cathepsin D and renin in structure. Inhibited by pepstatin. Formerly included in EC 3.4.23.6
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, MEROPS, PDB, CAS registry number: 180189-87-1
References:
1.  Goldberg, D.E., Slater, A.F.G., Beavis, R., Chait, B., Cerami, A. and Henderson, G.B. Hemoglobin degradation in the human malaria pathogen Plasmodium falciparum: a catabolic pathway initiated by a specific aspartic protease. J. Exp. Med. 173 (1991) 961–969. [PMID: 2007860]
2.  Francis, S.E., Gluzman, I.Y., Oksman, A., Knickerbocker, A., Mueller, R., Bryant, M.L., Sherman, D.R., Russell, D.G. and Goldberg, D.E. Molecular characterization and inhibition of a Plasmodium falciparum aspartic hemoglobinase. EMBO J. 13 (1994) 306–317. [PMID: 8313875]
3.  Gluzman, I.Y., Francis, S.E., Oksman, A., Smith, C.E., Duffin, K.L. and Goldberg, D.E. Order and specificity of the Plasmodium falciparum hemoglobin degradation pathway. J. Clin. Invest. 93 (1994) 1602–1608. [PMID: 8163662]
[EC 3.4.23.38 created 1995]
 
 


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