The domain within your query sequence starts at position 2507 and ends at position 2529; the E-value for the PbH1 domain shown below is 8.45e2.

THHLLVERNIIYDIKGGAFFIED

PbH1

Parallel beta-helix repeats
PbH1
SMART accession number:SM00710
Description: The tertiary structures of pectate lyases and rhamnogalacturonase A show a stack of parallel beta strands that are coiled into a large helix. Each coil of the helix represents a structural repeat that, in some homologues, can be recognised from sequence information alone. Conservation of asparagines might be connected with asparagine-ladders that contribute to the stability of the fold. Proteins containing these repeats most often are enzymes with polysaccharide substrates.
Interpro abstract (IPR006626):

The tertiary structures of pectate lyases and rhamnogalacturonase A show a stack of parallel beta strands that are coiled into a large helix. Each coil of the helix represents a structural repeat that, in some homologues, can be recognised from sequence information alone. Conservation of asparagines might be connected with asparagine-ladders that contribute to the stability of the fold. Proteins containing these repeats most often are enzymes with polysaccharide substrates [ (PUBMED:9724625) ].

Family alignment:
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There are 585506 PbH1 domains in 92548 proteins in SMART's nrdb database.

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