Top cofit genes for b4054 from Escherichia coli BW25113
tyrB: tyrosine aminotransferase, tyrosine-repressible, PLP-dependent (NCBI)
SEED: Biosynthetic Aromatic amino acid aminotransferase alpha (EC 2.6.1.57)
KEGG: aromatic-amino-acid transaminase
Or look for negative cofitness