AF199: Ubiquinol-cytochrome C reductase 14kD subunit

List allergens from this family:

Routes of exposure:
Include only IUIS approved allergens.

Biochemical properties

The ubiquinol-cytochrome C reductase complex (cytochrome bc1 complex) is a respiratory multienzyme complex [1]. The 14 kD subunit, also named subunit 7, is not directly involved in electron transfer, but has a role in assembly of the complex [2].

Allergens from this family

Der p 24 and Der f 24 were identified as major house dust mite allergens.



  1. Iwata S, Lee JW, Okada K, Lee JK, Iwata M, Rasmussen B, Link TA, Ramaswamy S, Jap BK:
    Complete structure of the 11-subunit bovine mitochondrial cytochrome bc1 complex.
    Science 1998, 281, 64-71. [PubMed]
  2. Braun HP, Schmitz UK:
    Molecular features and mitochondrial import pathway of the 14-kilodalton subunit of cytochrome c reductase from potato.
    Plant Physiol 1995, 107, 1217-23. [PubMed]


Links to Pfam

Family-defining Pfam domains (at least one of these domains is present in each family member):

Pfam domain Pfam clan
PF02271 Ubiquinol-cytochrome C reductase complex 14kD subunit -

Links to Wikipedia


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