L-Methionine; LC-ESI-QQ; MS2; CE:20 V; [M+H]+

Computational Annotation of MS Peaks (CAMP)

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Submission id: KO003333

Outputs for L-Methionine; LC-ESI-QQ; MS2; CE:20 V; [M+H]+

Database: Institute for Advanced Biosciences, Keio Univ.
Entry ID: KO003333
Synonyms: Met, L-2-Amino-4methylthiobutyric acid, L-Methionine
Total mass: 149.2109
Formula: H11 C5 S1 O2 N1

Experimental information

MS type: MS2
Instrument: API3000, Applied Biosystems
Instrument type: LC-ESI-QQ
Ionization mode: POSITIVE

CAMP general report:

Acceptable mass threshold: 2.0158
Out of range queried mass peaks:
Replicated queried mass peaks: 56.3, 60.2, 61.1, 68.9, 73.0, 74.9, 76.9, 77.9, 84.2, 85.0, 87.3, 89.5, 97.0, 101.8, 105.0, 115.4, 133.1,
Processing time: 0:00:03.249645

Results for the quried mass "74.0"

Formula	Mass differences	Num. used protons	Num. required extra protons	Atom names
C2O2N1	0.058	4	0	C4,C5,N6,O7,O8
C3S1	0.144	6	0	C1,S9,C3,C2
C3O2	0.078	6	2	C2,C4,C5,O7,O8
C3O1N1	0.101	8	2	C2,C4,C5,N6,O8