| Basic Characteristics | Properties ( Proteus mirabilis ) |
| Capsule | Negative (-ve) |
| Catalase | Positive (+ve) |
| Citrate | Positive (+ve) |
| Flagella | Positive (+ve) |
| Gas from Glucose | Positive (+ve) |
| Gelatin Hydrolysis | Positive (+ve) |
| Gram Staining | Negative (-ve) |
| Growth in KCN | Positive (+ve) |
| H2S | Positive (+ve) |
| Indole | Negative (-ve) |
| Motility | Positive (+ve) |
| MR (Methyl Red) | Positive (+ve) |
| Nitrate Reduction | Positive (+ve) |
| OF (Oxidative-Fermentative) | Facultative anaerobes |
| Oxidase | Negative (-ve) |
| Pigment | Negative (-ve) |
| Shape | Rods |
| Spore | Negative (-ve) |
| Urease | Positive (+ve) |
| VP (Voges Proskauer) | Negative (-ve) |
| Adonitol | Negative (-ve) |
| Arabinose | Negative (-ve) |
| Arabitol | Negative (-ve) |
| Cellobiose | Negative (-ve) |
| DNase | Variable |
| Dulcitol | Negative (-ve) |
| Erythritol | Negative (-ve) |
| Glucose | Positive (+ve) |
| Glycerol | Positive (+ve) |
| Inositol | Negative (-ve) |
| Lactose | Negative (-ve) |
| Malonate | Negative (-ve) |
| Maltose | Negative (-ve) |
| Mannitol | Negative (-ve) |
| Mannose | Negative (-ve) |
| Melibiose | Negative (-ve) |
| Mucate | Negative (-ve) |
| MyoInositol | Negative (-ve) |
| Raffinose | Negative (-ve) |
| Rhamnose | Negative (-ve) |
| Salicin | Negative (-ve) |
| Sorbitol | Negative (-ve) |
| Starch | Negative (-ve) |
| Sucrose | Negative (-ve) |
| Tartrate | Positive (+ve) |
| Trehalose | Positive (+ve) |
| Xylose | Positive (+ve) |
| Acetate Utilization | Negative (-ve) |
| Aesculine Hydrolysis | Negative (-ve) |
| Casein Hydrolysis | Negative (-ve) |
| Esculin Hydrolysis | Negative (-ve) |
| Lipase | Positive (+ve) |
| Lysine decarboxylases | Negative (-ve) |
| ONPG (β-galactosidase) | Negative (-ve) |
| Ornithine Decarboxylase | Positive (+ve) |
| Pectate Degradation | Negative (-ve) |
| Phenylalanine Deaminase | Positive (+ve) |
| Tryptophan Deaminase | Negative (-ve) |