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Table 2 Summary of the mass spectrometric data from the LCOs in 45% and 60% SPE fractions

From: Genome sequencing of two Neorhizobium galegae strains reveals a noeT gene responsible for the unusual acetylation of the nodulation factors

Parent ion

Molecular species

Fragment ions

Structure assignment

HAMBI 1174

1114

[M + Na]+

487, 690, 893

IV(C18:3, Cb)

1118

[M + Na]+

491, 694, 897

IV(C18:1, Cb)

1120

[M + Na]+

493, 696, 899

IV(C18:0, Cb)

1134

[M + H]+

465, 710, 913

IV(C18:3, Cb, OAc)

1134

[M + Na]+

507, 710, 913

IV(C18:1-OH, Cb)

1134

[M + Na]+

493, 696, 899

IV(C18:0, Cb, CH3)*

1136

[M + Na]+

- , 712, 915

IV(C18:0-OH, Cb)

1142

[M + Na]+

515, 718, 921

IV(C20:3, Cb)

1144

[M + Na]+

517, 720, 923

IV(C20:2, Cb)

1146

[M + Na]+

519, 722, 925

IV(C20:1, Cb)

1162

[M + H]+

493, 678, 738, 881, 941, 1102

IV(C20:3, Cb, OAc)

1162

[M + Na]+

493, 678, 738, 881, 941, 1102

IV(C18:0, Cb, OAc)

1162

[M + Na]+

535, 738, 941

IV(C20:1-OH, Cb)

1184

[M + Na]+

515, 700, 760, 903, 963, 1124

IV(C20:3, Cb, OAc)

1186

[M + Na]+

517, 702, 762, 905, 965, 1126

IV(C20:2, Cb, OAc)

1188

[M + Na]+

519, 704, 764, 907, 967, 1128

IV(C20:1, Cb, OAc)

1190

[M + Na]+

521, 766, 969

IV(C20:0, Cb, OAc)

HAMBI 3275

1092

[M + Na]+

465, 668, 871

IV(C16:0, Cb)

1096

[M + H]+

469, 672, 875

IV(C18:1, Cb)

1098

[M + H]+

471, 674, 877

IV(C18:0, Cb)

1114

[M + Na]+

487, 690, 893

IV(C18:3, Cb)

1116

[M + Na]+

489, 692, 895

IV(C18:2, Cb)

1118

[M + Na]+

491, 694, 897

IV(C18:1, Cb)

1120

[M + H]+

493, 696, 899

IV(C20:3, Cb)

1120

[M + Na]+

493, 696, 899

IV(C18:0, Cb)

1122

[M + H]+

495, 698, 901

IV(C20:2, Cb)

1142

[M + Na]+

515, 718, 921

IV(C20:3, Cb)

1144

[M + Na]+

517, 720, 923

IV(C20:2, Cb)

1146

[M + Na]+

519, 722, 925

IV(C20:1, Cb)

1148

[M + Na]+

521, 724, 927

IV(C20:0, Cb)

1160

[M + Na]+

533, 736, 939

IV(C20:2-OH, Cb)

1162

[M + Na]+

535, 738, 941

IV(C20:1-OH, Cb)

1164

[M + Na]+

537, 740, 943

IV(C20:0-OH, Cb)

1172

[M + Na]+

545, 748, 951

IV(C22:2, Cb)

  1. *Has methyl group on reducing terminal position.