2,4-Diamino-6-hydroxypyrimidine (DAHP) is a selective and specific inhibitor of GTP cyclohydrolase I, the rate limiting step for de novo pterin synthesis, with IC50 about 0.3 mM for inhibition of BH4 biosynthesis in HUVEC cells.
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描述 | 2,4-Diamino-6-hydroxypyrimidine specifically inhibits GTP cyclohydrolase I, which is crucial in the initial step of pterin synthesis. It impedes the formation of Tetrahydrobiopterin (BH4) and consequently reduces the production of nitric oxide (NO)[1][2]. 2,4-Diamino-6-hydroxypyrimidine, also known as DAHP, demonstrates a dose-related decrease in nitric oxide (NO) levels in chicken peritoneal macrophages (PECs) and the avian MC29 virus-transformed macrophage cell line, HD11[1]. Treatment with 2,4-Diamino-6-hydroxypyrimidine (DAHP; at a concentration of 5 mM for 24 hours) notably decreases levels of both BH4 and VCAM-1 over time in HUVEC cells. The synthesis of VCAM-1 and GTPCH proteins is reduced by 2,4-Diamino-6-hydroxypyrimidine, which is partially due to the suppression of NF-κB within the nucleus of HUVEC[2]. |
计算器 | ||||
存储液制备 | ![]() |
1mg | 5mg | 10mg |
1 mM 5 mM 10 mM |
7.93mL 1.59mL 0.79mL |
39.64mL 7.93mL 3.96mL |
79.29mL 15.86mL 7.93mL |
CAS号 | 56-06-4 |
分子式 | C4H6N4O |
分子量 | 126.12 |
SMILES Code | O=C1N=C(N)NC(N)=C1 |
MDL No. | MFCD08528919 |
别名 | DAHP |
运输 | 蓝冰 |
InChI Key | SWELIMKTDYHAOY-UHFFFAOYSA-N |
Pubchem ID | 135408763 |
存储条件 |
In solvent -20°C:3-6个月-80°C:12个月 Pure form Keep in dark place, inert atmosphere, room temperature |
溶解方案 |
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