Homologs of Rru_A0548 from Rhodospirillum rubrum S1H
Flagellar hook-length control protein (NCBI)
SEED: Flagellar hook-length control protein FliK
15 hits from BLASTp (E < 0.01)
Or try PaperBLAST, fast.genomics, the ENIGMA genome browser, or the comparative fitness browser