Table 1 of Anderson, Mol Vis 2013; 19:581-592.


Table 1. Optic nerve lipids observed in positive ion mode and structures assigned based on mass accuracy.

Observed m/z Theoretical m/z ppm error Identificationa Molecular Formula
496.3407 496.3398 −1.89 LPC(16:0/0:0) C24H51NO7P+
524.3708 524.3711 0.58 LPC(18:0/0:0) C26H55NO7P+
732.5545 732.5538 −0.95 PC(32:1) C40H79NO8P+
734.5690 734.5694 0.65 PC(32:0) C40H81NO8P++
758.5691 758.5694 0.43 PC(34:2) C42H81NO8P+
760.5850 760.5851 0.12 PC(34:1) C42H83 NO8P+
782.5690 782.5694 0.57 PC(36:4) C44H81NO8P+
786.6007 786.6007 −0.01 PC(36:2) C44H85NO8P+
788.6161 788.6164 0.42 PC(36:1) C44H87NO8P+
806.5709 806.5694 −1.85 PC(38:6) C46H81NO8P+
808.5852 808.5851 −0.19 PC(38:5) C46H83NO8P+
810.6009 810.6007 −0.15 PC(38:4) C46H85NO8P+
813.6851 813.6844 −0.90 SM(d18:1/24:1) C47H94N2O6P+
832.5863 832.5851 −1.48 PC(40:7) C48H83NO8P+
834.6000 834.6007 0.83 PC(40:6) C48H85NO8P+
842.6632 842.6633 0.16 PC(40:2) C48H93NO8P+
844.6784 844.6790 0.69 PC(40:1) C48H95NO8P+
853.7277 853.7280 0.29 TG(52:5) C55H97O6+
855.7419 855.7436 1.99 TG(52:4) C55H99O6+
870.6948 870.6946 −0.18 PC(42:2) C50H97NO8P+
879.7439 879.7436 −0.30 TG(54:6) C57H99O6+
881.7593 881.7593 0.01 TG(54:5) C57H101O6+
892.6784 892.6790 0.66 PC(44:5) C52H95NO8P+
907.7738 907.7749 1.23 TG(56:6) C59H103O6+