All terms in GO

Label Id Description
C-3 sterol dehydrogenase (C-4 sterol decarboxylase) activity GO_0000252 [Catalysis of the reaction: 3-beta-hydroxy-4-beta-methyl-5-alpha-cholesta-8,24-dien-4-alpha-carboxylate + NAD(P)+ = 4-alpha-methyl-5-alpha-cholesta-8,24-dien-3-one + CO2 + NAD(P)H.]
3-keto sterol reductase activity GO_0000253 [Catalysis of the reaction: a 3-beta-hydroxyl sterol + NADP+ = a 3-keto sterol + NADPH + H+.]
lanosterol synthase activity GO_0000250 [Catalysis of the reaction: (S)-2,3-epoxysqualene = lanosterol. This is a cyclization reaction that forms the sterol nucleus.]
GO_0000251 GO_0000251
C-22 sterol desaturase (NADPH) activity GO_0000249 [Catalysis of the reaction: 5-dehydroepisterol + H+ + NADPH + O2 = ergosta-5,7,22,24(28)-tetraen-3beta-ol + 2 H2O + NADP+. This reaction is the introduction of a double bond between the C-22 and C-23 carbons of certain sterols. Also converts sitosterol and 24-epi-campesterol to stigmasterol and brassicasterol, respectively.]
sterol desaturase activity GO_0070704 [Catalysis of the introduction of a double bond into a sterol molecule.]
oxidoreductase activity, acting on paired donors, with oxidation of a pair of donors resulting in the reduction of molecular oxygen to two molecules of water GO_0016717 [Catalysis of an oxidation-reduction (redox) reaction in which hydrogen or electrons are transferred from each of two donors, and molecular oxygen is reduced to two molecules of water.]
C-8 sterol isomerase activity GO_0000247 [Catalysis of the reaction: fecosterol = episterol.]
C-5 sterol desaturase activity GO_0000248 [Catalysis of the reaction: 5,7,24(28)-ergostatrienol + O2 + NADPH = 5,7,22,24(28)-ergostatetraenol + 2 H2O + NADP+.]
spliceosomal complex assembly GO_0000245 [The aggregation, arrangement and bonding together of a spliceosomal complex, a ribonucleoprotein apparatus that catalyzes nuclear mRNA splicing via transesterification reactions.]
delta24(24-1) sterol reductase activity GO_0000246 [Catalysis of the reaction: ergosterol + NADP+ = ergosta-5,7,22,24(24(1))-tetraen-3beta-ol + H+ + NADPH.]
commitment complex GO_0000243 [A spliceosomal complex that is formed by association of the U1 snRNP with the 5' splice site of an unspliced intron in an RNA transcript.]
U2-type spliceosomal complex GO_0005684 [Any spliceosomal complex that forms during the splicing of a messenger RNA primary transcript to excise an intron that has canonical consensus sequences near the 5' and 3' ends.]
spliceosomal tri-snRNP complex assembly GO_0000244 [The formation of a tri-snRNP complex containing U4 and U6 (or U4atac and U6atac) snRNAs and U5 snRNAs and associated proteins. This includes reannealing of U4 and U6 (or U4atac and U6atac) snRNAs released from previous rounds of splicing to reform the U4/U6 snRNP (or U4atac/U6atac snRNP) as well as the subsequent association of the U5 snRNP with the U4/U6 snRNP (or U4atac/U6atac snRNP) to form a tri-snRNP that is ready to reassemble into another spliceosome complex.]
diakinesis GO_0000241 [The cell cycle phase which follows diplotene during prophase I of meiosis, the separation of homologous chromosomes is complete and crossing over has occurred.]
meiosis I cell cycle phase GO_0098764 [A meiotic cell cycle phase prior to a during which some part of meiosis I nuclear division or the proceeding cytokinesis occurs.]
pericentriolar material GO_0000242 [A network of small fibers that surrounds the centrioles in cells; contains the microtubule nucleating activity of the centrosome.]
diplotene GO_0000240 [The cell cycle phase which follows pachytene during prophase I of meiosis, during which the homologous chromosomes begin to separate and the synaptonemal complex dissolves.]
zygotene GO_0000238 [The cell cycle phase which follows leptotene during prophase I of meiosis, and during which each chromosome pairs with its homolog; the two become aligned and crossing over may occur.]
pachytene GO_0000239 [The cell cycle phase which follows zygotene during prophase I of meiosis, and during which crossing over occurs between a chromatid in one partner and another chromatid in the homologous chromosome.]