EC Number |
Recommended Name |
Source Tissue |
Reference |
---|
1.1.1.145 | 3beta-hydroxy-DELTA5-steroid dehydrogenase |
oocyte |
HSD3B mRNA levels in oocytes producing euploid embryos are significantly lower than other oocyte outcomes |
763193 |
1.1.1.189 | prostaglandin-E2 9-reductase |
oocyte |
- |
389467 |
1.1.1.205 | IMP dehydrogenase |
oocyte |
- |
347913 |
1.1.1.22 | UDP-glucose 6-dehydrogenase |
oocyte |
- |
657189 |
1.1.1.35 | 3-hydroxyacyl-CoA dehydrogenase |
oocyte |
in oocytes from diabetic mice, activity of Hadh2 is significantly reduced |
695470 |
1.1.1.53 | 3alpha(or 20beta)-hydroxysteroid dehydrogenase |
oocyte |
the highest expression of subunit A is observed in mature oocyte samples, while post ovulatory oocytes show the lowest copy numbers of the gene. Post-ovulatory oocyte shows the lowest expression level of subunit B |
762606 |
1.1.1.62 | 17beta-estradiol 17-dehydrogenase |
oocyte |
cultured cells |
656635 |
1.1.1.95 | phosphoglycerate dehydrogenase |
oocyte |
- |
654940 |
1.1.99.1 | choline dehydrogenase |
oocyte |
CHDH transcripts and protein are found in oocytes. CHDH becomes highly active during oocyte meiotic maturation and is inactive after fertilization. Endogenous betaine is present at low levels in germinal vesicle stage mouse oocytes before ovulation and reaches high levels in the mature, ovulated egg |
763251 |
1.11.1.12 | phospholipid-hydroperoxide glutathione peroxidase |
oocyte |
in the oocytes, Gpx4 is homogeneously diffused |
764923 |
1.11.1.9 | glutathione peroxidase |
oocyte |
highly expressed in pre-vitellogenic and mid-vitellogenic oocytes, while no expression is detected in late-vitellogenic oocytes |
697467 |
1.13.11.31 | arachidonate 12-lipoxygenase |
oocyte |
- |
395423 |
1.14.11.67 | [histone H3]-trimethyl-L-lysine4 demethylase |
oocyte |
- |
757796 |
1.14.14.154 | sterol 14alpha-demethylase |
oocyte |
- |
688999 |
1.14.14.154 | sterol 14alpha-demethylase |
oocyte |
primary oocytes |
659942 |
1.14.14.19 | steroid 17alpha-monooxygenase |
oocyte |
- |
705401 |
1.14.15.6 | cholesterol monooxygenase (side-chain-cleaving) |
oocyte |
- |
703100 |
1.14.15.6 | cholesterol monooxygenase (side-chain-cleaving) |
oocyte |
follicular cell, oocyte membrane |
703100 |
1.14.19.1 | stearoyl-CoA 9-desaturase |
oocyte |
low level expression |
744461 |
1.14.99.66 | [histone H3]-N6,N6-dimethyl-L-lysine4 FAD-dependent demethylase |
oocyte |
high expression level of lysine demethylase 1B, KDM1B |
700397 |
1.3.1.70 | DELTA14-sterol reductase |
oocyte |
- |
655352 |
1.6.3.5 | renalase |
oocyte |
substantial expression in oocytes |
728281 |
2.1.1.17 | phosphatidylethanolamine N-methyltransferase |
oocyte |
plasma membranes from Rana oocytes are used |
719189 |
2.1.1.204 | tRNA (cytosine38-C5)-methyltransferase |
oocyte |
- |
735727 |
2.1.1.320 | type II protein arginine methyltransferase |
oocyte |
- |
719990 |
2.1.1.321 | type III protein arginine methyltransferase |
oocyte |
expression of prmt7 in the gonads is restricted to oocytes of the ovary and spermatids/sperm of the testis |
757338 |
2.1.1.355 | [histone H3]-lysine9 N-trimethyltransferase |
oocyte |
- |
753202 |
2.1.1.366 | [histone H3]-N6,N6-dimethyl-lysine9 N-methyltransferase |
oocyte |
- |
760074 |
2.1.1.368 | [histone H3]-lysine9 N-dimethyltransferase |
oocyte |
- |
760074 |
2.1.1.37 | DNA (cytosine-5-)-methyltransferase |
oocyte |
during differentiation, Dnmt1 is retained in the cytoplasm in metaphase II stage oocytes and zygotes but enters the nuclei of 8-16 cell stage embryos |
703545 |
2.1.1.37 | DNA (cytosine-5-)-methyltransferase |
oocyte |
mRNA is found in ovary and oocyte |
733530 |
2.1.1.37 | DNA (cytosine-5-)-methyltransferase |
oocyte |
the somatic form of Dnmt1 is present in association with chromatin in MII-stage oocytes as well as in the nucleus throughout preimplantation development. At the early one-cell stage, somatic Dnmt1 is asymmetrically localized in the maternal pronuclei. Thereafter, somatic Dnmt1 is recruited to the paternal genome during pronuclear maturation. During the first two cell cycles after fertilization, Dnmt1s is exported from the nucleus in the G2 phase in a CRM1/exportin-dependent manner |
703364 |
2.1.1.77 | protein-L-isoaspartate(D-aspartate) O-methyltransferase |
oocyte |
- |
485592, 485595, 485605, 485615, 485617 |
2.2.1.1 | transketolase |
oocyte |
enzyme is highly expressed at 2 hours of spontaneous maturation in oocytes |
719312 |
2.3.1.250 | [Wnt protein] O-palmitoleoyl transferase |
oocyte |
- |
733769 |
2.3.1.48 | histone acetyltransferase |
oocyte |
- |
756551 |
2.4.1.11 | glycogen(starch) synthase |
oocyte |
- |
488438, 686378 |
2.4.1.122 | N-acetylgalactosaminide beta-1,3-galactosyltransferase |
oocyte |
- |
760113 |
2.4.1.16 | chitin synthase |
oocyte |
- |
488672 |
2.4.1.198 | phosphatidylinositol N-acetylglucosaminyltransferase |
oocyte |
- |
723140 |
2.4.1.212 | hyaluronan synthase |
oocyte |
- |
695183 |
2.4.1.222 | O-fucosylpeptide 3-beta-N-acetylglucosaminyltransferase |
oocyte |
- |
691961 |
2.4.1.38 | beta-N-acetylglucosaminylglycopeptide beta-1,4-galactosyltransferase |
oocyte |
- |
673238, 706687 |
2.4.2.29 | tRNA-guanosine34 preQ1 transglycosylase |
oocyte |
- |
644924 |
2.4.2.64 | tRNA-guanosine34 queuine transglycosylase |
oocyte |
- |
644922, 759120 |
2.5.1.6 | methionine adenosyltransferase |
oocyte |
- |
760152 |
2.7.1.1 | hexokinase |
oocyte |
- |
738226, 739239 |
2.7.1.107 | diacylglycerol kinase (ATP) |
oocyte |
- |
693744 |
2.7.1.127 | inositol-trisphosphate 3-kinase |
oocyte |
- |
640732, 640754 |
2.7.1.137 | phosphatidylinositol 3-kinase |
oocyte |
- |
640879, 640918, 707020 |
2.7.1.25 | adenylyl-sulfate kinase |
oocyte |
PAPS synthetase mRNA |
641220 |
2.7.1.30 | glycerol kinase |
oocyte |
- |
705388 |
2.7.10.1 | receptor protein-tyrosine kinase |
oocyte |
- |
490318 |
2.7.10.1 | receptor protein-tyrosine kinase |
oocyte |
stage IV |
661030 |
2.7.10.2 | non-specific protein-tyrosine kinase |
oocyte |
- |
490246 |
2.7.10.2 | non-specific protein-tyrosine kinase |
oocyte |
gene is found in the maternal RNA pool of the oocyte |
490238, 490239 |
2.7.10.2 | non-specific protein-tyrosine kinase |
oocyte |
the c-mos proto-oncogene is expressed as a maternal mRNA in oocytes and early embryos of Xenopus laevis, but its translation product pp39mos is detectable only during progesterone-induced oocyte maturation |
492005 |
2.7.11.1 | non-specific serine/threonine protein kinase |
oocyte |
- |
491327, 491643 |
2.7.11.1 | non-specific serine/threonine protein kinase |
oocyte |
isozyme PRK2/PKNgamma/PAK-2 |
662053 |
2.7.11.11 | cAMP-dependent protein kinase |
oocyte |
- |
662378, 675598 |
2.7.11.13 | protein kinase C |
oocyte |
- |
691557 |
2.7.11.17 | Ca2+/calmodulin-dependent protein kinase |
oocyte |
- |
671266 |
2.7.11.17 | Ca2+/calmodulin-dependent protein kinase |
oocyte |
CaMKIIgamma is the predominant CaMKII isoform in mouse eggs |
740270 |
2.7.11.17 | Ca2+/calmodulin-dependent protein kinase |
oocyte |
high expression level of isozyme CaM-KI LiKbeta in the neurula stage |
664641 |
2.7.11.17 | Ca2+/calmodulin-dependent protein kinase |
oocyte |
the isozymes CaM-KIalpha is constitutively expressed through embryogenesis leading |
664641 |
2.7.11.18 | myosin-light-chain kinase |
oocyte |
- |
661556 |
2.7.11.2 | [pyruvate dehydrogenase (acetyl-transferring)] kinase |
oocyte |
oocyte-specific PDK isoform |
660923 |
2.7.11.21 | polo kinase |
oocyte |
- |
491367, 661448, 682039, 694795 |
2.7.11.21 | polo kinase |
oocyte |
maturing, after activation |
662924 |
2.7.11.22 | cyclin-dependent kinase |
oocyte |
- |
491501, 665980, 722194 |
2.7.11.22 | cyclin-dependent kinase |
oocyte |
in MII oocytes only the dephosphorylated active form of cdk1 present, just after fertilization, the amount of the dephosphorylated form decreases, whereas that of the phosphorylated form increases |
680111 |
2.7.11.23 | [RNA-polymerase]-subunit kinase |
oocyte |
- |
680554 |
2.7.11.24 | mitogen-activated protein kinase |
oocyte |
- |
491738, 491739, 491740, 682950, 706693, 741231 |
2.7.11.25 | mitogen-activated protein kinase kinase kinase |
oocyte |
- |
682213 |
2.7.11.25 | mitogen-activated protein kinase kinase kinase |
oocyte |
no changes in B-Raf activity during progesterone-induced maturation |
666510 |
2.7.11.26 | tau-protein kinase |
oocyte |
- |
702046 |
2.7.11.31 | [hydroxymethylglutaryl-CoA reductase (NADPH)] kinase |
oocyte |
- |
740129 |
2.7.4.21 | inositol-hexakisphosphate 5-kinase |
oocyte |
- |
661721 |
2.7.4.6 | nucleoside-diphosphate kinase |
oocyte |
- |
642644 |
2.7.7.19 | polynucleotide adenylyltransferase |
oocyte |
- |
642977, 663382, 677103, 690699, 691062, 691991, 694877 |
2.7.7.19 | polynucleotide adenylyltransferase |
oocyte |
mRNA is present in meiotically maturing oocyte, protein is present only at the metaphases I and II after germinal vesicle breakdown |
673236 |
2.7.7.49 | RNA-directed DNA polymerase |
oocyte |
- |
643414 |
2.7.7.6 | DNA-directed RNA polymerase |
oocyte |
- |
643555, 703785 |
3.1.1.32 | phospholipase A1 |
oocyte |
- |
730100 |
3.1.1.79 | hormone-sensitive lipase |
oocyte |
- |
693448 |
3.1.13.1 | exoribonuclease II |
oocyte |
cytotoxic ribonucleases with antitumor activity are found in the oocytes and early embryos of frogs |
749739 |
3.1.13.4 | poly(A)-specific ribonuclease |
oocyte |
- |
134096, 653131 |
3.1.21.1 | deoxyribonuclease I |
oocyte |
- |
697190 |
3.1.21.1 | deoxyribonuclease I |
oocyte |
highest activity in vitellogenic, activity increases during oogenesis, low activity in young oocytes |
654026 |
3.1.21.1 | deoxyribonuclease I |
oocyte |
MII oocyte |
682811 |
3.1.21.10 | crossover junction endodeoxyribonuclease |
oocyte |
- |
694802 |
3.1.22.1 | deoxyribonuclease II |
oocyte |
- |
654026 |
3.1.26.4 | ribonuclease H |
oocyte |
- |
134068 |
3.1.26.4 | ribonuclease H |
oocyte |
primarily concentrated in the germinal vesicle, around 5% of the activity is detected in the cytoplasm |
134408 |
3.1.3.1 | alkaline phosphatase |
oocyte |
the activity increases markedly with the size of the oocytes |
94583 |
3.1.3.108 | nocturnin |
oocyte |
- |
757506 |
3.1.3.16 | protein-serine/threonine phosphatase |
oocyte |
- |
655466, 664954 |
3.1.3.22 | mannitol-1-phosphatase |
oocyte |
unsporulated |
94713, 94720 |
3.1.3.36 | phosphoinositide 5-phosphatase |
oocyte |
- |
-, 714679 |
3.1.3.53 | [myosin-light-chain] phosphatase |
oocyte |
- |
714803 |