| GNAT | guanine nucleotide-binding protein, alpha-transducing |
|---|---|
| GNB | ganglioneuroblastoma; gram-negative bacillus; guanine nucleotide-binding [protein] |
| GNBT | guanine nucleotide-binding protein, beta transducing |
| Gua | guanine |
| TAG | target attaching globulin; technical advisory group; thymine, adenine, and guanine |