1-(5-phosphoribosyl)-5-((5-phosphoribosylamino)methylideneamino)imidazole-4-carboxamide isomerase 5-dehydro-4-deoxyglucarate dehydratase 1-phosphatidylinositol-4-phosphate 5-kinase (1-4)-a-D-glucan 1-a-D-glucosylmutase 1-phosphatidylinositol-5-phosphate 4-kinase 7,8-didemethyl-8-hydroxy-5-deazariboflavin synthase 5-4-3-2-1 L-ribulose-5-phosphate 4-epimerase Tricetin 3',4',5'-O-trimethyltransferase 2-amino-5-formylamino-6-ribosylaminopyrimidin-4(3H)-one 5'-monophosphate deformylase 5-(carboxyamino)imidazole ribonucleotide mutase 5-guanidino-2-oxopentanoate decarboxylase 1 Samuel 5 Heparosan-N-sulfate-glucuronate 5-epimerase 4–4–5 calendar 1-pyrroline-4-hydroxy-2-carboxylate deaminase Phosphoribosylaminoimidazole carboxylase …

5-(3,4-diacetoxybut-1-ynyl)-2,2'-bithiophene deacetylase 5-cell honeycomb 2,5-diamino-6-(ribosylamino)-4(3H)-pyrimidinone 5'-phosphate reductase Methylthioribulose 1-phosphate dehydratase 4-carboxymuconolactone decarboxylase 4-deoxy-L-threo-5-hexosulose-uronate ketol-isomerase 1 − 2 + 3 − 4 + ⋯ Uracil-5-carboxylate decarboxylase 1.5 μm process Olympus Zuiko Digital ED 9-18mm f/4-5.6 4-hydroxyproline epimerase Dermatan 4-sulfotransferase L-2-amino-4-chloropent-4-enoate dehydrochlorinase UDP-arabinose 4-epimerase Konica Minolta AF Zoom

DT 11-18mm f/4.5-5.6 (D) 1-Pyrroline-5-carboxylate dehydrogenase Imidazoleacetate 4-monooxygenase 1/2 + 1/4 + 1/8 + 1/16 + ⋯ 5/4 (song) Sa'ar 4.5-class missile boat Pyrithiamine deaminase 1-Pyrroline-5-carboxylic acid Rutland-5-4 Vermont Representative District, 2002–2012 Glutamate-1-semialdehyde 2,1-aminomutase BL 4.5-inch medium field gun 4-hydroxybenzoate polyprenyltransferase Protein 4.1 3-ketovalidoxylamine C-N-lyase 2010 Winter Paralympics cross-country skiing men's 1 × 4 km and 2 × 5 km Relay Phosphomethylpyrimidine synthase 4-Methylaminobutanoate oxidase (formaldehyde-forming) 4-Methylaminobutanoate oxidase (methylamine-forming) 4-hydroxybenzoate 1-hydroxylas