. 2020 Jun 15;51(4):1527–1538. doi: 10.1007/s42770-020-00315-z

Table 4.

Components of aureocins 4181 and A70

Bacteriocin (reference)	Peptide	Relative molecular mass (Da)		Amino acid sequence (number of aa)
Bacteriocin (reference)	Peptide	Predicted from gene sequence^a	Detected by MALDI/TOF-MS	Amino acid sequence (number of aa)
Aureocin 4181 (this work)	AurA	2924.5	2951.5 ± 1.5	_fMGKLAIKAGKIIGGGIASALGWAAGEKAVGK (31)^b
	AurB	2797.3	2824.4 ± 1.5	_fMGAVAKFLGKAALGGAAGGATYAGLKKIFG (30)^b
	AurC	2954.6	2983.6 ± 1.5	_fMGALIKTGAKIIGSGAAGGLGTYIGHKILGK (31)^b
	AurD1	3120.8	3147.7 ± 1.5	_fMGAVIKVGAKVIGWGAASGAGLYGLEKIFKK (31)^b
Aureocin A70 [7]	AurA	2924.5	2927.3 ± 1.5	MGKLAIKAGKIIGGGIASALGWAAGEKAVGK (31)^c
	AurB	2797.3	2795.7 ± 1.5	MGAVAKFLGKAALGGAAGGATYAGLKKIFG (30)^c
	AurC	2954.6	2954.8 ± 1.5	MGALIKTGAKIIGSGAAGGLGTYIGHKILGK (31)^c
	AurD	3086.8	3087.7 ± 1.5	MGAVIKVGAKVIGWGAASGAGLYGLEKILKK (31)^c

aa, amino acid

Da, daltons

_f, formylation of the methionine residue

^aPredicted Mr calculated by the ProtParam tool

^bThe amino acid sequence determined for the aureocin 4181 peptides by MALDI/TOF/TOF mass spectrometry is shown in bold

^cThe underlined amino acid sequences in the aureocin A70 peptides are also found in the structural peptides of aureocin 4181