M/Z: 508.4649


Hit 2 annotations:  N-Nervonoyl Cysteine_[M+K]+; 4alpha-carboxy-4beta,14alpha-dimethyl-9beta,19-cyclo-5alpha-ergost-24(241)-en-3beta-ol_[M+K]+


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 1 Reference Ions Near m/z 508.4649
NovoCell ID m/z Mass Window Metabolite Ranking Anatomy Context
MSI_000065414 Unreliable 508.4729 508.4729 ~ 508.4729
MzDiff: none		 FAHFA(16:1(9Z)/5-O-16:0) (BioDeep_00000104531)
Formula: C32H60O4 (508.4491)		 1.71 (100%) Homo sapiens
[UBERON:0001155] colon

Found 2 Sample Hits
Metabolite Species Sample
N-Nervonoyl Cysteine

Formula: C27H51NO3S (469.3589)
Adducts: [M+K]+ (Ppm: 13.6) 		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).
4alpha-carboxy-4beta,14alpha-dimethyl-9beta,19-cyclo-5alpha-ergost-24(241)-en-3beta-ol

Formula: C31H49O3 (469.3682)
Adducts: [M+K]+ (Ppm: 2) 		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).