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 12 Reference Ions Near m/z 887.5639
NovoCell ID m/z Mass Window Metabolite Ranking Anatomy Context
MSI_000043093 Reliable 887.5545 887.5541 ~ 887.5548
MzDiff: 2.7 ppm
PI(18:0/20:4(5Z,8Z,11Z,14Z)) (BioDeep_00000031011)
Formula: C47H83O13P (886.5571)
12.24 (100%) Homo sapiens
[UBERON:0001043] esophagus
MSI_000043323 Reliable 887.5737 887.5733 ~ 887.574
MzDiff: 2.9 ppm
PGP(a-13:0/a-25:0) (BioDeep_00000108872)
Formula: C44H88O13P2 (886.57)
7.83 (56%) Homo sapiens
[UBERON:0001043] esophagus
MSI_000043664 Reliable 887.5716 887.5711 ~ 887.5717
MzDiff: 2.7 ppm
PI(18:0/20:4(5Z,8Z,11Z,14Z)) (BioDeep_00000031011)
Formula: C47H83O13P (886.5571)
4.88 (83%) Homo sapiens
[UBERON:0001043] esophagus
MSI_000043782 Unreliable 887.5677 887.5676 ~ 887.568
MzDiff: 1.8 ppm
PGP(a-13:0/a-25:0) (BioDeep_00000108872)
Formula: C44H88O13P2 (886.57)
3.07 (67%) Homo sapiens
[UBERON:0001043] esophagus
MSI_000046906 Unreliable 887.555 887.555 ~ 887.555
MzDiff: none
PS(20:0/PGE2) (BioDeep_00000207065)
Formula: C46H82NO13P (887.5523)
3.16 (100%) Homo sapiens
[UBERON:0013067] colorectal mucosa
MSI_000047283 Unreliable 887.5639 887.5639 ~ 887.5639
MzDiff: none
PI(18:0/20:4(5Z,8Z,11Z,14Z)) (BioDeep_00000031011)
Formula: C47H83O13P (886.5571)
2.44 (100%) Homo sapiens
[UBERON:0013067] colorectal mucosa
MSI_000047582 Unreliable 887.5727 887.5727 ~ 887.5727
MzDiff: none
Muroctasin (BioDeep_00000181145)
Formula: C43H78N6O13 (886.5627)
2.22 (100%) Homo sapiens
[UBERON:0013067] colorectal mucosa
MSI_000051737 Unreliable 887.5614 887.5614 ~ 887.5614
MzDiff: none
PS(20:0/PGE2) (BioDeep_00000207065)
Formula: C46H82NO13P (887.5523)
2.51 (100%) Homo sapiens
[UBERON:0001052] rectum
MSI_000051752 Unreliable 887.57 887.57 ~ 887.57
MzDiff: none
PI(18:0/20:4(5Z,8Z,11Z,14Z)) (BioDeep_00000031011)
Formula: C47H83O13P (886.5571)
2.48 (100%) Homo sapiens
[UBERON:0001052] rectum
MSI_000055560 Unreliable 887.5562 887.556 ~ 887.5563
MzDiff: 1.2 ppm
PI(18:0/20:4(5Z,8Z,11Z,14Z)) (BioDeep_00000031011)
Formula: C47H83O13P (886.5571)
2.64 (100%) Homo sapiens
[UBERON:0001043] esophagus
MSI_000065464 Unreliable 887.57 887.57 ~ 887.57
MzDiff: none
PI(18:0/20:4(5Z,8Z,11Z,14Z)) (BioDeep_00000031011)
Formula: C47H83O13P (886.5571)
2.04 (100%) Homo sapiens
[UBERON:0001155] colon
MSI_000056084 Unavailable 887.5563 887.5563 ~ 887.5563
MzDiff: none
PI(18:0/20:4(5Z,8Z,11Z,14Z)) (BioDeep_00000031011)
Formula: C47H83O13P (886.5571)
-0.54 (100%) Homo sapiens
[UBERON:0007779] transudate

Found 13 Sample Hits
Metabolite Species Sample
PI(18:0/20:4(5Z,8Z,11Z,14Z))

Formula: C47H83O13P (886.5571)
Adducts: [M+H]+ (Ppm: 4.1)
Homo sapiens (esophagus)
LNTO22_1_4
Resolution: 17μm, 82x80

Description

PGP(a-13:0/a-25:0)

Formula: C44H88O13P2 (886.57)
Adducts: [M+H]+ (Ppm: 10.9)
Homo sapiens (esophagus)
TO42T
Resolution: 17μm, 69x81

Description

Calcium phytate

Formula: C6H6Ca6O24P6 (887.543)
Adducts: [M-H2O+NH4]+ (Ppm: 3.2)
Homo sapiens (esophagus)
TO39T
Resolution: 17μm, 69x81

Description

PI(18:0/20:4(5Z,8Z,11Z,14Z))

Formula: C47H83O13P (886.5571)
Adducts: [M+H]+ (Ppm: 0.5)
Homo sapiens (colorectal adenocarcinoma)
80TopL, 50TopR, 70BottomL, 60BottomR-profile
Resolution: 17μm, 137x136

Description

The human colorectal adenocarcinoma sample was excised during a surgical operation performed at the Imperial College Healthcare NHS Trust. The sample and procedures were carried out in accordance with ethical approval (14/EE/0024).

PS(20:0/PGE2)

Formula: C46H82NO13P (887.5523)
Adducts: [M]+ (Ppm: 12.4)
Homo sapiens (colorectal adenocarcinoma)
520TopL, 490TopR, 510BottomL, 500BottomR-profile
Resolution: 17μm, 147x131

Description

The human colorectal adenocarcinoma sample was excised during a surgical operation performed at the Imperial College Healthcare NHS Trust. The sample and procedures were carried out in accordance with ethical approval (14/EE/0024).

PS(20:0/PGE2)

Formula: C46H82NO13P (887.5523)
Adducts: [M]+ (Ppm: 10.8)
Homo sapiens (colorectal adenocarcinoma)
439TopL, 409TopR, 429BottomL, 419BottomR-profile
Resolution: 17μm, 157x136

Description

The human colorectal adenocarcinoma sample was excised during a surgical operation performed at the Imperial College Healthcare NHS Trust. The sample and procedures were carried out in accordance with ethical approval (14/EE/0024).

PE(P-18:0/LTE4)

Formula: C46H83N2O10PS (886.5506)
Adducts: [M+H]+ (Ppm: 4.1)
Homo sapiens (NA)
160TopL,130TopR,150BottomL,140BottomR-profile
Resolution: 17μm, 142x136

Description

Calcium phytate

Formula: C6H6Ca6O24P6 (887.543)
Adducts: [M-H2O+NH4]+ (Ppm: 2.4)
Homo sapiens (esophagus)
TO40T
Resolution: 17μm, 82x74

Description

PI(18:0/20:4(5Z,8Z,11Z,14Z))

Formula: C47H83O13P (886.5571)
Adducts: [M+H]+ (Ppm: 12.3)
Homo sapiens (esophagus)
LNTO30_8M_2
Resolution: 75μm, 108x68

Description

PI(18:0/20:4(5Z,8Z,11Z,14Z))

Formula: C47H83O13P (886.5571)
Adducts: [M+H]+ (Ppm: 5.3)
Homo sapiens (colorectal adenocarcinoma)
240TopL, 210TopR, 230BottomL, 220BottomR-centroid
Resolution: 50μm, 142x141

Description

PI(18:0/20:4(5Z,8Z,11Z,14Z))

Formula: C47H83O13P (886.5571)
Adducts: [M+H]+ (Ppm: 6.3)
Homo sapiens (colorectal adenocarcinoma)
200TopL, 170TopR, 190BottomL, 180BottomR-centroid
Resolution: 50μm, 132x126

Description

PI(18:0/20:4(5Z,8Z,11Z,14Z))

Formula: C47H83O13P (886.5571)
Adducts: [M+H]+ (Ppm: 5.4)
Homo sapiens (colorectal adenocarcinoma)
160TopL,130TopR,150BottomL,140BottomR-centroid
Resolution: 50μm, 142x136

Description

PI(18:0/20:4(5Z,8Z,11Z,14Z))

Formula: C47H83O13P (886.5571)
Adducts: [M+H]+ (Ppm: 4.4)
Drosophila melanogaster (brain)
Drosophila18
Resolution: 5μm, 686x685

Description

Sample information Organism: Drosophila melanogaster Organism part: Brain Condition: Healthy Sample preparation Sample stabilisation: Frozen Tissue modification: Frozen MALDI matrix: 2,5-dihydroxybenzoic acid (DHB) MALDI matrix application: TM sprayer Solvent: Aceton/water MS analysis Polarity: Positive Ionisation source: Prototype Analyzer: Orbitrap Pixel size: 5μm × 5μm Annotation settings m/z tolerance (ppm): 3 Analysis version: Original MSM Pixel count: 469910 Imzml file size: 696.23 MB Ibd file size: 814.11 MB