Homologs of proC from Shewanella oneidensis MR-1
proC: pyrroline-5-carboxylate reductase (NCBI ptt file)
SEED: Pyrroline-5-carboxylate reductase (EC 1.5.1.2)
KEGG: pyrroline-5-carboxylate reductase
142 hits from BLASTp (E < 0.01)
Or try PaperBLAST, fast.genomics, the ENIGMA genome browser, or the comparative fitness browser