Structural highlights 
  Function 
GMPR1_HUMAN Catalyzes the irreversible NADPH-dependent deamination of GMP to IMP. It functions in the conversion of nucleobase, nucleoside and nucleotide derivatives of G to A nucleotides, and in maintaining the intracellular balance of A and G nucleotides.[1] 
  Evolutionary Conservation 
Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.
  References 
- ↑ Yoshida A, Kan YW. Origin of "fused" glucose-6-phosphate dehydrogenase. Cell. 1990 Jul 13;62(1):11-2. PMID:1694726