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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Purification and properties of a third form of anthranilate-5-phosphoribosylpyrophosphate phosphoribosyltransferase from the Enterobacteriaceae.

Anthranilate-5-phosphoribosylpyrophosphate phosphoribosyltransferase was purified from the bacterium Erwinia carotovora, a member of the Enterobacteriaceae. The enzyme was homogeneous according to the criteria of gel electrophoresis and NH2-terminal amino acid sequence analysis. The molecular weight of the enzyme as determined on a calibrated Sephadex G-200 column was 67,000 +/- 2,000. Sodium dodecyl sulfate-polyacrylamide gels gave a subunit molecular weight of 40,000 +/- 1,000, suggesting that the enzyme was a dimer. A comparison of the NH2-terminal sequence of the enzyme with the (previously determined) homologue from Serratia marcescens, a monomer with a molecular weight of 45,000, showed that the larger Serratia subunit came into register with amino acid 14 of the Erwinia subunit. The register for the length of the known overlap, 26 amino acids, was highly conserved.[1]

References

  1. Purification and properties of a third form of anthranilate-5-phosphoribosylpyrophosphate phosphoribosyltransferase from the Enterobacteriaceae. Largen, M., Mills, S.E., Rowe, J., Yanofsky, C. J. Biol. Chem. (1978) [Pubmed]
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