4FE2:
reference: Structures of SAICAR synthetase (PurC) from Streptococcus pneumoniae with ADP, Mg(2+), AIR and Asp., Wolf NM, Abad-Zapatero C, Johnson ME, Fung LW, Acta Crystallogr D Biol Crystallogr. 2014 Mar;70(Pt 3):841-50. doi:, 10.1107/S139900471303366X. Epub 2014 Feb 22. PMID: 24598753

This OCA Structure page
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