Conserved Protein Domain Family

cl02488: SPEC Superfamily 
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Spectrin repeats, found in several proteins involved in cytoskeletal structure; family members include spectrin, alpha-actinin and dystrophin; the spectrin repeat forms a three helix bundle with the second helix interrupted by proline in some sequences; the repeats are independent folding units; tandem repeats are found in differing numbers and arrange in an antiparallel manner to form dimers; the repeats are defined by a characteristic tryptophan (W) residue in helix A and a leucine (L) at the carboxyl end of helix C and separated by a linker of 5 residues; two copies of the repeat are present here
Accession: cl02488
PSSM Id: 413338
Name: SPEC
Created: 8-Feb-2008
Updated: 4-Oct-2023
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