| Chain | GOid | namespace | contents |
| A | 0000166 | molecular_function | nucleotide binding |
| A | 0004637 | molecular_function | phosphoribosylamine-glycine ligase activity |
| A | 0005524 | molecular_function | ATP binding |
| A | 0006164 | biological_process | purine nucleotide biosynthetic process |
| A | 0006189 | biological_process | 'de novo' IMP biosynthetic process |
| A | 0009113 | biological_process | purine nucleobase biosynthetic process |
| A | 0016874 | molecular_function | ligase activity |
| A | 0046872 | molecular_function | metal ion binding |
| B | 0000166 | molecular_function | nucleotide binding |
| B | 0004637 | molecular_function | phosphoribosylamine-glycine ligase activity |
| B | 0005524 | molecular_function | ATP binding |
| B | 0006164 | biological_process | purine nucleotide biosynthetic process |
| B | 0006189 | biological_process | 'de novo' IMP biosynthetic process |
| B | 0009113 | biological_process | purine nucleobase biosynthetic process |
| B | 0016874 | molecular_function | ligase activity |
| B | 0046872 | molecular_function | metal ion binding |