Rare lipoprotein A (RlpA)-like double-psi beta-barrel
SMART accession number:SM00837
Description: Rare lipoprotein A (RlpA) contains a conserved region that has the double-psi beta-barrel (DPBB) fold. The function of RlpA is not well understood, but it has been shown to act as a prc mutant suppressor in Escherichia coli. The DPBB fold is often an enzymatic domain. The members of this family are quite diverse, and if catalytic this family may contain several different functions. Another example of this domain is found in the N terminus of pollen allergen.
Interpro abstract (IPR007112):

This entry represents a N-terminal domain that has a Barwin-like double psi beta-barrel structure(DPBB). It is found in proteins like expasin and pollen allergens. The major timothy grass pollen allergen Phl p 1 is one of the most potent and frequently recognised environmental allergens [ (PUBMED:16750995) ].

Family alignment:
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There are 6395 DPBB_1 domains in 6339 proteins in SMART's nrdb database.

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