Table I.

GC-MS identification of [2H6]-labeled BRs in yeast cultures expressing AtBR6ox

CompoundRetention Time on GCCharacteristic Ions (Relative Intensity Percentage)
min m/z
[2H6]CS1-a
 Standard11.82518 [M+] (33), 399 (5), 358 (11), 287 (23), 161 (100)
 Metabolite11.83518 [M+] (33), 399 (5), 358 (12), 287 (22), 161 (100)
[2H6]6-OHCS1-b
 Standard11.40592 [M+] (2), 577 (22), 502 (64), 271 (66), 161 (100)
 Metabolite11.42592 [M+] (2), 577 (23), 502 (72), 271 (63), 161 (100)
[2H6]TY1-b
 Standard11.23550 [M+] (81), 535 (50), 521 (100), 460 (38), 161 (58)
 Metabolite11.23550 [M+] (71), 535 (46), 521 (100), 460 (46), 161 (66)
[2H6]3DT1-a
 Standard11.92476 [M+] (12), 316 (9), 287 (7), 245 (13), 161 (100)
 Metabolite11.92476 [M+] (11), 316 (8), 287 (6), 245 (13), 161 (100)
[2H6]TE1-b
 Standard11.95550 [M+] (25), 535 (66), 521 (100), 460 (2), 161 (25)
 Metabolite11.97550 [M+] (25), 535 (65), 521 (100), 460 (3), 161 (21)

M+, Molecular ion; m/z, mass-charge ratio.

    • F1-a  Methaneboronate derivative.

    • F1-b  Methaneboronate-trimethylsilyl derivative.