Metabolic conversion of L-arabinose and D-xylose to α-ketoglutarate in the model haloarchaeon Haloferax volcanii. XDH, D-xylose dehydrogenase (EC:1.1.1.179); L-AraDH, L-arabinose dehydrogenase (EC:1.1.1.376); Lactonase (EC 3.1.1.110); XAD, D-xylonate dehydratase (EC 4.2.1.82); KDXD, 2-keto-3-deoxyxylonate dehydratase (EC:4.2.1.141); KGSADH, α-ketoglutarate semialdehyde dehydrogenase (EC:1.2.1.26). Figure adapted from (Johnsen et al., 2009).