Table 2.
Name (annotated) | m/z (retention time [min]) | Elemental formula(s) corresponding to experimentally determined neutral losses in spectran |
|
---|---|---|---|
CID | HCD | ||
Fusarinine A | 556.183p (8.5) | C6H8O2a,b,c, C6H10O3c | C4H4d, C5H6d, C6H8O2a,b,c, C11H19N2O5e |
cis-Fusarinine (dimer) | 574.193q (10.0) | C6H8O2a,b,c, C6H10O3c (2×) | C3H5NO3d, C5H10N2O2a, C5H8N4O3f, C11H19N2O5e, C11H20N2O5e, C11H21N2O6e |
Fusarinine B/DDFo | 798.309q (11.7) | C6H8O2a,b,c (3×), C6H10O3c, C5H10N2O2a, C11H18N2O4g, C11H20N2O5e (2×) | |
Fusarinine B/DDFo | 798.309q (12.7) | C4H4d (2×), C6H10O3c, C5H10N2O2a, C7H12N2O3a,g (2x), C11H18N2O4g (3×), C11H20N2O5e | C6H8O2a,b,c, C7H12N2O3a,g, C11H18N2O4g, C11H20N2O5e, C13H20N2O5a,e,h |
Fusarinine B/DDFo | 798.309q (13.2) | C4H4d, C6H10O3c, C11H18N2O4g, C11H20N2O5e | C2H2Oc,i, C9H16N2O4e |
Unknown | 510.175p (10.7) | C6H8O2a,b,c (2×), C12H19NO4b | C11H17N2O5e, C11H19N2O5e |
Unknown | 555.151p (11.5) | C6H8O2a,b,c | C5H6d |
Unknown | 651.220p (11.8) | C2H4Ob, C4H4d, C3H5Oi, C5H6d, C6H8O2a,b,c (2×), C4H7NO3d, C5H10N2O2a, C5H9NO3j, C9H17N2O3j,k (2×), C8H12N2O5e, C9H17N2O4e, C11H17N2O4e, C11H18N2O4g (2×), C11H16N2O5e, C11H17N2O5e (2×), C11H18N2O5e, C11H19N2O5e (3×), C11H20N2O5e (2×), C11H21N2O5e (2×), C11H17N2O6e, C11H19N2O6e, C11H21N2O6e | |
Unknown | 651.220p (12.1) | C2H2Oc,i (2×), C4H4d, C5H6d (2×), C6H8O2a,b,c (2×), C6H11N2O4a,l, C9H17N2O3j,k (2×), C11H17N2O4e (2×), C11H18N2O4g (2×), C11H19N2O4e (2×), C11H16N2O5e, C11H17N2O5e (2×), C11H18N2O5e (2×), C11H19N2O5e (3×), C11H20N2O5e (2×), C11H21N2O5e, C11H19N2O6e, C11H21N2O6e | |
Unknown | 878.370q (25.2) | C6H8O2a,b,c, C6H9O3c, C6H10O3c (4×), C12H19NO4b | C5H6d, C6H8O2a,b,c, C6H10O3c |
Unknown | 892.387q (27.3) | C6H8O2a,b,c (2×), C6H8O3c, C6H10O3c (3×), C12H19NO4b | C2H4Ob, C4H4d, C5H6d (2×), C6H8O2a,b,c (3×), C6H8O3c, C7H16N2O2k |
Unknown | 902.333q (18.9) | C3H5Oi, C4H7O2c, C6H8O2a,b,c, C11H18N2O4g, C9H16N2O4e, C5H12N2Oj, C5H10N2O2a | |
Unknown | 906.403q (29.3) | C6H8O2a,b,c, C6H10O3c (3×), C12H19NO4b | |
Unknown | 934.397q (24.3) | C6H8O2a,b,c, C5H14N2Ok, C6H10O3c (4×), C8H16O3m, C8H13N2O5e, C9H17N2O4e, C9H17N2O5e, C12H19NO4b | C4H4d, C5H6d, C6H8O2a,b,c, C6H11O3c |
Reported for fusarinines (20).
Reported for coprogens (20).
Expected/typical for acyl loss (e.g., F-H).
Reported for cyclic ferrioxamines (20).
Expected, typical for loss of N5-acyl-N5-hydroxyornithine unit (e.g., F‡-H).
Reported for ferrichromes (41).
Reported for ferrichromes (20).
Observed for MS/MS measurement of triacetylfusigen standard.
Reported for Fe-rhodotoluate (20).
Expected, in analogy to observed neutral losses (20).
Reported for desferrioxamine B (42).
Observed for MS/MS measurement of fusigen standard.
Reported for dimerum acid (44) and observed for MS/MS measurement of dimerum acid standard.
2×/3×, neutral loss two/three times that observable in the MS/MS spectrum.
Unambiguous annotation not possible.
Ion species not identified.
Protonated molecule.
Siderophores for which standards were available are not included.