(24R)-Cholest-5-ene-3-beta,24-diol
IUPAC 名称
(1S,2R,5S,10S,11S,15R)-14-[(2R,5R)-5-hydroxy-6-methylheptan-2-yl]-2,15-dimethyltetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadec-7-en-5-ol
描述
(24R)-Cholest-5-ene-3-beta,24-diol or 24(R)-Hydroxycholesterol is a hydroxysterol. It is a substrate for Cytochrome P450 39A1 (EC 1.14.13.99), which is primarily a liver-specific enzyme. It is involved in the following reaction: (24R)-cholest-5-ene-3-beta,24-diol + NADPH + O(2) = (24R)-cholest-5-ene-3-beta,7-alpha,24-triol + NADP(+) + H(2)O. 24(R)-Hydroxycholesterol is an intermediate in bile acid metabolism. The majority of circulating 24-hydroxycholesterol in humans is made in the brain and is increased in serum of Alzheimer patients. 24(S)-Hydroxycholesterol is generally more abundant in human tissues than 24(R)-Hydroxycholesterol. It has also been shown that 24(R) and 24(S)-Hydroxycholesterols are substrates for hepatic cholesterol 7-a hydroxylase (CYP7A), leading to the production of 7-alpha hydroxylated bile acids. [HMDB]
异构
[H][C@@]12CCC([C@H](C)CC[C@@H](O)C(C)C)[C@@]1(C)CC[C@@]1([H])[C@@]2([H])CC=C2C[C@@H](O)CC[C@]12C
InChI标识符
InChI=1S/C27H46O2/c1-17(2)25(29)11-6-18(3)22-9-10-23-21-8-7-19-16-20(28)12-14-26(19,4)24(21)13-15-27(22,23)5/h7,17-18,20-25,28-29H,6,8-16H2,1-5H3/t18-,20+,21+,22?,23+,24+,25-,26+,27-/m1/s1
键
IOWMKBFJCNLRTC-BPWUYGJYSA-N