1. ^{{cite journal | vauthors = Bittner F, Oreb M, Mendel RR | title = ABA3 is a molybdenum cofactor sulfurase required for activation of aldehyde oxidase and xanthine dehydrogenase in Arabidopsis thaliana | journal = The Journal of Biological Chemistry | volume = 276 | issue = 44 | pages = 40381–4 | date = November 2001 | pmid = 11553608 | doi = 10.1074/jbc.c100472200 }}
2. ^{{cite journal | vauthors = Heidenreich T, Wollers S, Mendel RR, Bittner F | title = Characterization of the NifS-like domain of ABA3 from Arabidopsis thaliana provides insight into the mechanism of molybdenum cofactor sulfuration | journal = The Journal of Biological Chemistry | volume = 280 | issue = 6 | pages = 4213–8 | date = February 2005 | pmid = 15561708 | doi = 10.1074/jbc.m411195200 }}
3. ^{{cite journal | vauthors = Wollers S, Heidenreich T, Zarepour M, Zachmann D, Kraft C, Zhao Y, Mendel RR, Bittner F | title = Binding of sulfurated molybdenum cofactor to the C-terminal domain of ABA3 from Arabidopsis thaliana provides insight into the mechanism of molybdenum cofactor sulfuration | journal = The Journal of Biological Chemistry | volume = 283 | issue = 15 | pages = 9642–50 | date = April 2008 | pmid = 18258600 | doi = 10.1074/jbc.m708549200 }}