| Chain | GOid | namespace | contents |
| A | 0000166 | molecular_function | nucleotide binding |
| A | 0005525 | molecular_function | GTP binding |
| A | 0016740 | molecular_function | transferase activity |
| A | 0016779 | molecular_function | nucleotidyltransferase activity |
| A | 0160298 | molecular_function | pyridinol guanylyltransferase activity |
| A | 0160300 | biological_process | iron-guanylylpyridinol cofactor biosynthetic process |
| B | 0000166 | molecular_function | nucleotide binding |
| B | 0005525 | molecular_function | GTP binding |
| B | 0016740 | molecular_function | transferase activity |
| B | 0016779 | molecular_function | nucleotidyltransferase activity |
| B | 0160298 | molecular_function | pyridinol guanylyltransferase activity |
| B | 0160300 | biological_process | iron-guanylylpyridinol cofactor biosynthetic process |
| C | 0000166 | molecular_function | nucleotide binding |
| C | 0005525 | molecular_function | GTP binding |
| C | 0016740 | molecular_function | transferase activity |
| C | 0016779 | molecular_function | nucleotidyltransferase activity |
| C | 0160298 | molecular_function | pyridinol guanylyltransferase activity |
| C | 0160300 | biological_process | iron-guanylylpyridinol cofactor biosynthetic process |
| D | 0000166 | molecular_function | nucleotide binding |
| D | 0005525 | molecular_function | GTP binding |
| D | 0016740 | molecular_function | transferase activity |
| D | 0016779 | molecular_function | nucleotidyltransferase activity |
| D | 0160298 | molecular_function | pyridinol guanylyltransferase activity |
| D | 0160300 | biological_process | iron-guanylylpyridinol cofactor biosynthetic process |