Catalyzes the conversion of inosine 5'-phosphate (IMP) to xanthosine 5'-phosphate (XMP), the first committed and rate-limiting step in the de novo synthesis of guanine nucleotides, and therefore plays an important role in the regulation of cell growth.

Belongs to the IMPDH/GMPR family.

487 amino acids

MLRVIKEALTFDDVLLVPAHSTVLPNTADLSTQLTKTIRLNIPMLSAAMDTVTETKLAISLAQEGGIGFIHKNMSIERQAERVRKVKKFESGIVSDPVTVSPTLSLAELSELVKKNGFASFPVVDDEKNLVGIITGRDTRFVTDLNKTVADFMTPKARLVTVKRNASRDEIFGLMHTHRVEKVLVVSDDFKLKGMITLKDYQKSEQKPQACKDEFGRLRVGAAVGAGPGNEERIDALVKAGVDVLLIDSSHGHSEGVLQRVRETRAKYPDLPIVAGNVATAEGAIALADAGASAVKVGIGPGSICTTRIVTGVGVPQITAIADAAEALKDRGIPVIADGGIRFSGDISKAIAAGASCVMVGSMFAGTEEAPGEIELYQGRAFKSYRGMGSLGAMSKGSSDRYFQSDNAADKLVPEGIEGRIPYKGFLKEIIHQQMGGLRSCMGLTGCATIDELRTKAQFVRISGAGIQESHVHDVTITKEAPNYRMG

52 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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