Unknown protein fragment

Chains: AU, BU, CU, DU, EU, FU, GU, HU, IU, JU, KU, LU, MU
Length: 9 amino acids
Theoretical weight: 784 Da
Source organism: Legionella pneumophila
FASTA Sequence
>pdb|7muv|AU BU CU DU EU FU GU HU IU JU KU LU MU
XXXXXXXXX