4iqi is a 2 chain structure with sequence from Vibch. This structure supersedes the now removed PDB entry 3rjb. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
[C3LTF1_VIBCM] Catalyzes the NADPH-dependent reduction of 7-cyano-7-deazaguanine (preQ0) to 7-aminomethyl-7-deazaguanine (preQ1) (By similarity).[HAMAP-Rule:MF_00817][SAAS:SAAS016428_004_009187]