Table 1.

Cyanobacteria peptides from the strains MIRS-04 and NPCD-01 obtained from the LC-HR-QTOF-MS analyses.

Peak	RT *	Theoretical m/z	Experimental m/z	Ion Formula	Error [ppm]	mSigma	Compound Name	Reference
A1	7.2	494.2800	494.2797	C47H76N10O13	−0.6	2.3	Micropeptin K139 *	[12]
A2	7.6	959.5249	959.5197	C45H71N10O13	−2.0	10.0	Micropeptin 959	[21]
A3	7.9	995.5634	995.5560	C49H75N10O12	−0.3	16.5	Microcystin–LR	[16]
A4	8	1009.5774	1009.5717	C50H77N10O12	−0.7	20	Microcystin HilR	[14]
A5	8.0	973.5391	973.5353	C46H73N10O13	4.1	8.6	Micropeptin 973	[13]
A6	8.2	987.5548	987.5510	C47H75N10O13	−0.8	11.4	Micropeptin B	[12]
A7	9.5	1002.5237	1002.5183	C52H72N7O13	2.1	5.8	Microcystin-LY	[22]
B1	7.0	728.4272	728.4229	C38H58N5O9	5.2	14	Microginin FR1	[17]
B2	7.2	742.4347	742.4379	C39H60N5O9	0.7	1.9	Microginin FR2/FR4	[20]
B3	7.6	756.4567	756.4542	C40H62N5O9	−3.2	5.3	Microginin SD-755	[23]
B4	7.8	960.4188	960.4131	C43H62N9O14S	3.5	2.0	Unknown	[20]

* Detected as [M + 2H]²⁺. All other compounds were detected as [M + H]⁺. RT: Retention Time.