MSI_000045873

Reliable

排名分数: 9.27
参考来源: Mus musculus (UBERON:0002107: liver)

M/z: 497.3235
Mass Window: 497.3235 ~ 497.3235 (none)

参考注释

Postin_[M+H]+ (BioDeep_00000028152)
(2S)-2-{[(2S)-6-amino-1-hydroxy-2-({hydroxy[(2S)-1-[(2S)-pyrrolidine-2-carbonyl]pyrrolidin-2-yl]methylidene}amino)hexylidene]amino}-5-carbamimidamidopentanoate

Formula: C22H40N8O5 (496.31215100000003)
SMILES: NCCCC[C@H](NC(=O)[C@@H]1CCCN1C(=O)[C@@H]1CCCN1)C(=O)N[C@@H](CCCNC(N)=N)C(O)=O

Postin (Lys-Pro-Pro-Arg) is the N-terminal tetrapeptide of cystatin C and an antagonist of tuftsin. [HMDB] Postin (Lys-Pro-Pro-Arg) is the N-terminal tetrapeptide of cystatin C and an antagonist of tuftsin.