Homologs of H from Shewanella oneidensis MR-1
H: prophage LambdaSo, tail length tape meausure protein (NCBI ptt file)
SEED: Phage tail length tape-measure protein 1
94 hits from BLASTp (E < 0.01)
Or try PaperBLAST, fast.genomics, the ENIGMA genome browser, or the comparative fitness browser