M/Z: 917.5649

Hit 1 annotations: PC(16:0/LTE4)_[M+H]+

在BioDeep NovoCell知识数据库中，参考离子总共被划分为4个级别。

Confirmed: 这个参考离子已经通过手动审计得到确认和验证。
Reliable: 这个参考离子可能在特定的解剖组织环境中高度保守。
Unreliable: 这个参考离子具有较高的排名价值，但缺乏可重复性。
Unavailable: 由于排名价值低且缺乏可重复性，这个参考离子不应用于注释。

Found 3 Reference Ions Near m/z 917.5649

NovoCell ID	m/z	Mass Window	Metabolite	Ranking	Anatomy Context
MSI_000003887 Unreliable	917.5738	917.5738 ~ 917.5738 MzDiff: `none`	(1R,16Z,24E,26E,28Z)-1,18,19-trihydroxy-12-[1-(4-hydroxy-3-methoxycyclohexyl)propan-2-yl]-30-methoxy-15,17,21,23,29,35-hexamethyl-11,36-dioxa-4-azatricyclo[30.3.1.0⁴,⁹]hexatriaconta-16,24,26,28-tetraene-2,3,10,14,20-pentone (BioDeep_00000025499) Formula: C50H77NO13 (899.5395)	1.4 (100%)	Homo sapiens [UBERON:0002107] liver
MSI_000050039 Unreliable	917.5728	917.5728 ~ 917.5728 MzDiff: `none`	PC(16:0/LTE4) (BioDeep_00000210925) Formula: C47H85N2O11PS (916.5611)	1.09 (100%)	Mytilus edulis [UBERON:0009120] gill filament
MSI_000050950 Unreliable	917.5728	917.5728 ~ 917.5728 MzDiff: `none`	PC(16:0/LTE4) (BioDeep_00000210925) Formula: C47H85N2O11PS (916.5611)	0.52 (100%)	Mytilus edulis [UBERON:2001856] gill ray

Found 1 Sample Hits

Metabolite	Species	Sample
PC(16:0/LTE4) Formula: C47H85N2O11PS (916.5611) Adducts: [M+H]+ (Ppm: 3.8)	Mus musculus (Lung)	image1 Resolution: 40μm, 187x165 Description Fig. 2 MALDI-MSI data from the same mouse lung tissue analyzed in Fig. 1. A: Optical image of the post-MSI, H&E-stained tissue section. B–D, F–G: Ion images of (B) m/z 796.6855 ([U13C-DPPC+Na]+), (C) m/z 756.5514 ([PC32:0+Na]+), (D) m/z 765.6079 ([D9-PC32:0+Na]+), (F) m/z 754.5359 ([PC32:1+Na]+), and (G) m/z 763.5923 ([D9-PC32:1+Na]+). E, H: Ratio images of (E) [D9-PC32:0+Na]+:[PC32:0+Na]+ and (H) [D9-PC32:1+Na]+:[PC32:1+Na]+. Part-per-million (ppm) mass errors are indicated in parentheses. All images were visualized using total-ion-current normalization and using hotspot removal (high quantile = 99%). DPPC = PC16:0/16:0. U13C-DPPC, universally 13C-labeled dipalmitoyl PC; PC, phosphatidylcholine; MSI, mass spectrometry imaging; H&E, hematoxylin and eosin. Fig 1-3, Fig S1-S3, S5

Metabolite

Species

Sample

PC(16:0/LTE4)

Formula: C47H85N2O11PS (916.5611)
Adducts: [M+H]+ (Ppm: 3.8)

Mus musculus (Lung)

image1

Resolution: 40μm, 187x165

Description

Fig. 2 MALDI-MSI data from the same mouse lung tissue analyzed in Fig. 1. A: Optical image of the post-MSI, H&E-stained tissue section. B–D, F–G: Ion images of (B) m/z 796.6855 ([U13C-DPPC+Na]+), (C) m/z 756.5514 ([PC32:0+Na]+), (D) m/z 765.6079 ([D9-PC32:0+Na]+), (F) m/z 754.5359 ([PC32:1+Na]+), and (G) m/z 763.5923 ([D9-PC32:1+Na]+). E, H: Ratio images of (E) [D9-PC32:0+Na]+:[PC32:0+Na]+ and (H) [D9-PC32:1+Na]+:[PC32:1+Na]+. Part-per-million (ppm) mass errors are indicated in parentheses. All images were visualized using total-ion-current normalization and using hotspot removal (high quantile = 99%). DPPC = PC16:0/16:0. U13C-DPPC, universally 13C-labeled dipalmitoyl PC; PC, phosphatidylcholine; MSI, mass spectrometry imaging; H&E, hematoxylin and eosin. Fig 1-3, Fig S1-S3, S5