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Pentapeptide repeats (8 copies) These repeats are found in many mycobacterial proteins. These repeats are most common in the pfam00823 family of proteins, where they are found in the MPTR subfamily of PPE proteins. The function of these repeats is unknown. The repeat can be approximately described as XNXGX, where X can be any amino acid. These repeats are similar to pfam00805, however it is not clear if these two families are structurally related.
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