Table S1.

Full list of iron compounds detected by LC-ICPMS and LC-ESIMS

PeakRetention time, min54Fe complex m/z56Fe complex m/zIron-free compound m/zIDMS2?57Fe validated?
a11.9
b12.4
c13.5
d18.4
e19.7
f20.2
g22.9612.278614.273561.361Ferrioxamine BYes
h25.6
i26.7
j29.2
k31.4
l34.3
m36.4
n37.6
o40.9855.388857.383804.472Amphibactin TYes
p41.8
q43.1899.415901.410848.499Amphibactin B
r43.7881.404883.399830.488Amphibactin SYes
s45.0
t45.4
u46.0883.419885.414832.503Amphibactin DYesYes
v46.8957.435959.43906.519[C44H69N7O13Fe]+YesYes
w47.1909.434911.429858.518Amphibactin EYesYes
x48.4953.461955.456902.545Amphibactin G
y49.5911.450913.445860.534Amphibactin HYesYes
z50.3937.467939.462886.551Amphibactin IYesYes
aa50.9707.377709.372656.461[C33H59N5O8Fe]+YesYes