5TTB:
reference: Molecular Impact of Covalent Modifications on Nonribosomal Peptide Synthetase Carrier Protein Communication., Goodrich AC, Meyers DJ, Frueh DP, J Biol Chem. 2017 Apr 28. pii: jbc.M116.766220. doi: 10.1074/jbc.M116.766220. PMID: 28455448

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