_EC 1.17.7.- With an iron-sulfur protein as acceptor. 40 PDB entries  
EC 1.-.-.- Oxidoreductases. [21,484 PDB entries]
EC 1.17.-.- Acting on Ch or CH2 groups. [557 PDB entries]
EC 1.17.7.- With an iron-sulfur protein as acceptor. [40 PDB entries]
EC 1.17.7.1 (E)-4-hydroxy-3-methylbut-2-enyl-diphosphate synthase (ferredoxin). [-]
EC 1.17.7.2 7-hydroxymethyl chlorophyll a reductase. [1 PDB entries]
EC 1.17.7.3 (E)-4-hydroxy-3-methylbut-2-enyl-diphosphate synthase (flavodoxin). [13 PDB entries]
EC 1.17.7.4 4-hydroxy-3-methylbut-2-enyl diphosphate reductase. [26 PDB entries]

[-] signifies that there are no PDB entries for the given enzyme subclass