Quick Biochemistry - Nucleic Acids (Section 2 - No. 15)

What is the primary factor determining the overall rate of de novo purine nucleotide biosynthesis, considering its concentration?

5-phosphoribosyl 1-pyrophosphate

5-phospho B-D-ribosylamine

Glycinamide ribosyl-5-phosphate

Formylglycinamide ribosyl-5-phosphate