M/Z: 544.0637


Hit 1 annotations:  Eumelanins_[M]+


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 2 Reference Ions Near m/z 544.0637
NovoCell ID m/z Mass Window Metabolite Ranking Anatomy Context
MSI_000004039 Unreliable 544.0631 544.0631 ~ 544.0631
MzDiff: none		 Not Annotated 1.12 (0%) Homo sapiens
[UBERON:0002107] liver
MSI_000010282 Unavailable 544.0637 544.0637 ~ 544.0637
MzDiff: none		 Eumelanins (BioDeep_00000178947)
Formula: C23H20N4O8S2 (544.0723)		 -0.67 (100%) Bathymodiolus
[UBERON:0009120] gill filament

Found 3 Sample Hits
Metabolite Species Sample
Eumelanins

Formula: C23H20N4O8S2 (544.0723)
Adducts: [M]+ (Ppm: 14.7) 		Bathymodiolus (epithelial host cells)
MPIMM_039_QE_P_BP_CF_Bputeoserpentis_MALDI-FISH8_Sl14_s1_DHB_233x233_3um
Resolution: 3μm, 233x234

Description

m/z_544.0631

Formula: - (n/a)
Adducts: (Ppm: 0) 		Homo sapiens (Liver)
20171107_FIT4_DHBpos_p70_s50
Resolution: 50μm, 70x70

Description

m/z_544.064

Formula: - (n/a)
Adducts: (Ppm: 0) 		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