^Hesslinger C, Fairhurst SA, Sawers G (January 1998). "Novel keto acid formate-lyase and propionate kinase enzymes are components of an anaerobic pathway in Escherichia coli that degrades L-threonine to propionate". Molecular Microbiology. 27 (2): 477–92.
doi:
10.1046/j.1365-2958.1998.00696.x.
PMID9484901.
^Hesslinger C, Fairhurst SA, Sawers G (January 1998). "Novel keto acid formate-lyase and propionate kinase enzymes are components of an anaerobic pathway in Escherichia coli that degrades L-threonine to propionate". Molecular Microbiology. 27 (2): 477–92.
doi:
10.1046/j.1365-2958.1998.00696.x.
PMID9484901.