4Y23:
reference: The maturation mechanism of gamma-glutamyl transpeptidases: Insights from the crystal structure of a precursor mimic of the enzyme from Bacillus licheniformis and from site-directed mutagenesis studies., Pica A, Chi MC, Chen YY, d'Ischia M, Lin LL, Merlino A, Biochim Biophys Acta. 2015 Oct 30. pii: S1570-9639(15)00268-X. doi:, 10.1016/j.bbapap.2015.10.006. PMID: 26536828

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