M/Z: 269.162

Hit 1 annotations: Histidylleucine_[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 2 Reference Ions Near m/z 269.162

NovoCell ID	m/z	Mass Window	Metabolite	Ranking	Anatomy Context
MSI_000056946 Unreliable	269.1694	269.1694 ~ 269.1694 MzDiff: `none`	Acoric acid (BioDeep_00000018859) Formula: C15H24O4 (268.1675)	1.58 (100%)	Homo sapiens [UBERON:0007779] transudate
MSI_000057548 Unreliable	269.1612	269.1612 ~ 269.1612 MzDiff: `none`	Histidylleucine (BioDeep_00000005704) Formula: C12H20N4O3 (268.1535)	0.85 (100%)	Homo sapiens [UBERON:0007779] transudate

Found 3 Sample Hits

Metabolite

Species

Sample

Histidylleucine

Formula: C12H20N4O3 (268.1535)
Adducts: [M+H]+ (Ppm: 1.5)

Homo sapiens (esophagus)

LNTO22_1_4

Resolution: 17μm, 82x80

Description

Histidylleucine

Formula: C12H20N4O3 (268.1535)
Adducts: [M+H]+ (Ppm: 4.4)

Homo sapiens (esophagus)

TO31T

Resolution: 75μm, 56x54

Description

Histidylleucine

Formula: C12H20N4O3 (268.1535)
Adducts: [M+H]+ (Ppm: 5.9)

Homo sapiens (esophagus)

TO29T

Resolution: 75μm, 56x48

Description