M/Z: 550.2939

Hit 2 annotations: Manumycin A_[M-H2O+NH4]+; Desglucocheirotoxin_[M-H2O+NH4]+

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 4 Reference Ions Near m/z 550.2939

NovoCell ID	m/z	Mass Window	Metabolite	Ranking	Anatomy Context
MSI_000006766 Reliable	550.2904	550.2903 ~ 550.2904 MzDiff: `0.4 ppm`	5-(N-Hexadecanoyl)aminofluorescin (BioDeep_00000174650) Formula: C36H43NO6 (585.309)	5.15 (100%)	Rattus norvegicus [UBERON:0004358] caput epididymis
MSI_000021142 Reliable	550.2904	550.2903 ~ 550.2904 MzDiff: `0.4 ppm`	5-(N-Hexadecanoyl)aminofluorescin (BioDeep_00000174650) Formula: C36H43NO6 (585.309)	3.83 (100%)	Rattus norvegicus [UBERON:0004359] corpus epididymis
MSI_000009897 Unreliable	550.2885	550.2885 ~ 550.2885 MzDiff: `0.3 ppm`	Manumycin A (BioDeep_00000009105) Formula: C31H38N2O7 (550.2679)	3.58 (100%)	Bathymodiolus [UBERON:0009120] gill filament
MSI_000011951 Unavailable	550.2885	550.2885 ~ 550.2885 MzDiff: `0.0 ppm`	Manumycin A (BioDeep_00000009105) Formula: C31H38N2O7 (550.2679)	-0.57 (100%)	Bathymodiolus [UBERON:2000211] gill lamella

Found 3 Sample Hits

Metabolite

Species

Sample

Manumycin A

Formula: C31H38N2O7 (550.2679)
Adducts: [M-H2O+NH4]+ (Ppm: 4.8)

Bathymodiolus (epithelial host cells)

MPIMM_039_QE_P_BP_CF_Bputeoserpentis_MALDI-FISH8_Sl14_s1_DHB_233x233_3um

Resolution: 3μm, 233x234

Description

Desglucocheirotoxin

Formula: C29H42O10 (550.2778)
Adducts: [M-H2O+NH4]+ (Ppm: 13)

Mus musculus (Left upper arm)

357_l_total ion count

Resolution: 50μm, 97x131

Description

Diseased

Manumycin A

Formula: C31H38N2O7 (550.2679)
Adducts: [M-H2O+NH4]+ (Ppm: 4.1)

Mytilus edulis (mantle)

20190216_MS38_Mytilus_mantle_350-1500_DHB_pos_A26_10um_275x210

Resolution: 10μm, 275x210

Description