haemagglutination activity domain
SMART accession number:SM00912
Description: This domain is suggested to be a carbohydrate- dependent haemagglutination activity site (PUBMED:11703654). It is found in a range of haemagglutinins and haemolysins.
Interpro abstract (IPR008638):

This entry represents a conserved domain found near the N terminus of a number of large, repetitive bacterial proteins, including many proteins of over 2500 amino acids. A number of the members of this family have been designated adhesins, filamentous haemagglutinins, haem/haemopexin-binding protein, etc. Members generally have a signal sequence, then an intervening region, then the region described in this entry. Following this region, proteins typically have regions rich in repeats but may show no homology between the repeats of one member and the repeats of another. This domain is suggested to be a carbohydrate-dependent haemagglutination activity site [ (PUBMED:11703654) ].

Family alignment:
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There are 13812 Haemagg_act domains in 13670 proteins in SMART's nrdb database.

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