Mca-Ala-Pro-Lys(Dnp)-OH

• CAT Number: I031649
• CAS Number: 305336-82-7
• Molecular Formula: C32H36N6O12
• Molecular Weight: 696.66
• Purity: ≥95%
• Synonyms: (2S)-6-(2,4-dinitroanilino)-2-[[(2S)-1-[(2S)-2-[[2-(7-methoxy-2-oxochromen-4-yl)acetyl]amino]propanoyl]pyrrolidine-2-carbonyl]amino]hexanoic acid
• InChI: InChI=1S/C32H36N6O12/c1-18(34-28(39)14-19-15-29(40)50-27-17-21(49-2)9-10-22(19)27)31(42)36-13-5-7-25(36)30(41)35-24(32(43)44)6-3-4-12-33-23-11-8-20(37(45)46)16-26(23)38(47)48/h8-11,15-18,24-25,33H,3-7,12-14H2,1-2H3,(H,34,39)(H,35,41)(H,43,44)/t18-,24-,25-/m0/s1
• InChIKey: INOZJECNSBDPGT-WDNCENIBSA-N
• SMILES: CC(C(=O)N1CCCC1C(=O)NC(CCCCNC2=C(C=C(C=C2)[N+](=O)[O-])[N+](=O)[O-])C(=O)O)NC(=O)CC3=CC(=O)OC4=C3C=CC(=C4)OC

Mca-Ala-Pro-Lys(Dnp)-OH, a specific ACE2 quenched fluorogenic substrate, can be used to detect ACE2 activity, such as urinary, heart and lung[1][2].
The activity of ACE2 enzyme detected by: the fluorescent peptide substrate Mca-AlaPro-Lys (Dnp)-OH is hydrolyzed by ACE2 and its product is detected by the active fluorescence resonance energy transfer method[3].

Reference

[1]. Liu J, Ji H, et al. Sex differences in renal angiotensin converting enzyme 2 (ACE2) activity are 17β-oestradiol-dependent and sex chromosome-independent. Biol Sex Differ. 2010;1(1):6. Published 2010 Nov 5.
 [Content Brief]

[2]. Liang Y, et al. Urinary angiotensin converting enzyme 2 increases in patients with type 2 diabetic mellitus. Kidney Blood Press Res. 2015;40(2):101-110.
 [Content Brief]