1AKR:
reference: Modulation of the redox potentials of FMN in Desulfovibrio vulgaris flavodoxin: thermodynamic properties and crystal structures of glycine-61 mutants., O'Farrell PA, Walsh MA, McCarthy AA, Higgins TM, Voordouw G, Mayhew SG, Biochemistry 1998 Jun 9;37(23):8405-16. PMID: 9622492

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).