EC Number |
Recommended Name |
Source Tissue |
Reference |
---|
1.1.1.1 | alcohol dehydrogenase |
epididymis |
- |
285604 |
1.1.1.10 | L-xylulose reductase |
epididymis |
- |
656049 |
1.1.1.10 | L-xylulose reductase |
epididymis |
from caput, corpus, and cauda, activity in descending order |
656841 |
1.1.1.10 | L-xylulose reductase |
epididymis |
high content |
656049 |
1.1.1.10 | L-xylulose reductase |
epididymis |
low expression level |
656049 |
1.1.1.105 | all-trans-retinol dehydrogenase (NAD+) |
epididymis |
mRNA expression |
692959 |
1.1.1.146 | 11beta-hydroxysteroid dehydrogenase |
epididymis |
epididymal fat, presence of a functional glucose-6-phosphate-transporter hexose-6-phosphate dehydrogenase 11beta-hydroxysteroid dehydrogenase type 1 system |
692078 |
1.1.1.213 | 3alpha-hydroxysteroid 3-dehydrogenase (Re-specific) |
epididymis |
- |
347987 |
1.1.1.213 | 3alpha-hydroxysteroid 3-dehydrogenase (Re-specific) |
epididymis |
no activity in the stromal cells or endothelial cells, but weak immunoreactivity in the epididymal epithelial cells |
688137 |
1.1.1.213 | 3alpha-hydroxysteroid 3-dehydrogenase (Re-specific) |
epididymis |
only a small number of epithelial cells are immunoreactive with both nuclear and cytoplasmic reactivity |
688137 |
1.1.1.42 | isocitrate dehydrogenase (NADP+) |
epididymis |
epididymal fat pad |
656247 |
1.1.1.50 | 3alpha-hydroxysteroid 3-dehydrogenase (Si-specific) |
epididymis |
- |
389528 |
1.1.1.50 | 3alpha-hydroxysteroid 3-dehydrogenase (Si-specific) |
epididymis |
no activity in the stromal cells or endothelial cells, but weak immunoreactivity in the epididymal epithelial cells |
688137 |
1.1.1.50 | 3alpha-hydroxysteroid 3-dehydrogenase (Si-specific) |
epididymis |
only a small number of epithelial cells are immunoreactive with both nuclear and cytoplasmic reactivity |
688137 |
1.1.1.B40 | 11beta-hydroxysteroid dehydrogenase (NAD+) |
epididymis |
epithelium |
655349 |
1.11.1.12 | phospholipid-hydroperoxide glutathione peroxidase |
epididymis |
- |
688464 |
1.11.1.20 | prostamide/prostaglandin F2alpha synthase |
epididymis |
- |
687797 |
1.11.1.9 | glutathione peroxidase |
epididymis |
- |
685333 |
1.11.1.9 | glutathione peroxidase |
epididymis |
Gpx-5 |
684496 |
1.11.1.9 | glutathione peroxidase |
epididymis |
GPX5 |
675985 |
1.13.11.20 | cysteine dioxygenase |
epididymis |
androgen-dependent CDO expression is highest in the caput epididymidis |
764652 |
1.13.11.52 | indoleamine 2,3-dioxygenase |
epididymis |
- |
663820, 665457, 666895, 686937, 699311 |
1.13.11.52 | indoleamine 2,3-dioxygenase |
epididymis |
IDO1 is constitutively expressed in the epididymis |
723923 |
1.14.11.1 | gamma-butyrobetaine dioxygenase |
epididymis |
- |
697453 |
1.14.13.39 | nitric-oxide synthase (NADPH) |
epididymis |
NADPH-diaphorase activity is found in the midpiece of the spermatozoa tail and epithelial cells of all intratesticular and excurrent ducts analyzed, except for nonciliated cells of the efferent ductules. Immunostaining shows cell-specific localization in the efferent ductules and region- and cell-specific localization in the epididymal duct |
743262 |
1.14.19.3 | acyl-CoA 6-desaturase |
epididymis |
- |
658248 |
1.14.99.1 | prostaglandin-endoperoxide synthase |
epididymis |
caput and cauda |
672503 |
1.2.1.36 | retinal dehydrogenase |
epididymis |
epididymis capa, epididymis cauda |
668500 |
1.2.1.84 | alcohol-forming fatty acyl-CoA reductase |
epididymis |
- |
656242 |
1.3.1.22 | 3-oxo-5alpha-steroid 4-dehydrogenase (NADP+) |
epididymis |
- |
396193, 396196, 396210, 396220 |
1.3.1.22 | 3-oxo-5alpha-steroid 4-dehydrogenase (NADP+) |
epididymis |
concentrated in caput corpus of epididymis |
390767 |
1.3.1.24 | biliverdin reductase |
epididymis |
- |
740797 |
1.3.99.5 | 3-oxo-5alpha-steroid 4-dehydrogenase (acceptor) |
epididymis |
- |
670266, 713519 |
1.3.99.5 | 3-oxo-5alpha-steroid 4-dehydrogenase (acceptor) |
epididymis |
Srd5a2 |
712094 |
1.4.3.3 | D-amino-acid oxidase |
epididymis |
DAO activity is significantly higher in the caput region than corpus and cauda regions of epididymis |
763218 |
1.8.3.2 | thiol oxidase |
epididymis |
- |
668207 |
1.8.3.2 | thiol oxidase |
epididymis |
high activity |
393063 |
1.8.3.2 | thiol oxidase |
epididymis |
high content |
657645 |
2.1.1.72 | site-specific DNA-methyltransferase (adenine-specific) |
epididymis |
- |
719373 |
2.3.1.15 | glycerol-3-phosphate 1-O-acyltransferase |
epididymis |
epididymal fat, increased activity upon cessation of wheel running. Increase in mtGPAT protein might contribute to the overshoot in triacylglycerol synthesis |
671231 |
2.3.1.15 | glycerol-3-phosphate 1-O-acyltransferase |
epididymis |
highest expression |
701623 |
2.3.1.20 | diacylglycerol O-acyltransferase |
epididymis |
- |
-, 486489 |
2.3.1.23 | 1-acylglycerophosphocholine O-acyltransferase |
epididymis |
- |
674602, 704461, 706492, 758401 |
2.3.1.51 | 1-acylglycerol-3-phosphate O-acyltransferase |
epididymis |
low expression level |
705005 |
2.3.2.2 | gamma-glutamyltransferase |
epididymis |
- |
487931 |
2.4.1.109 | dolichyl-phosphate-mannose-protein mannosyltransferase |
epididymis |
- |
723102 |
2.4.1.17 | glucuronosyltransferase |
epididymis |
- |
488786 |
2.4.1.38 | beta-N-acetylglucosaminylglycopeptide beta-1,4-galactosyltransferase |
epididymis |
very high enzyme concentration in Golgi apparatus of epididymal duct epithelium from initial segment to intermediate caput, although much lower amounts of enzyme are in efferent ducts, distal caput, corpus and cauda. Even in the initial segment and caput epididymis, only low levels of soluble enzyme form are detected in the fluid |
489551 |
2.4.1.69 | type 1 galactoside alpha-(1,2)-fucosyltransferase |
epididymis |
- |
489359 |
2.4.1.78 | phosphopolyprenol glucosyltransferase |
epididymis |
- |
489380 |
2.4.1.90 | N-acetyllactosamine synthase |
epididymis |
- |
690003 |
2.4.1.90 | N-acetyllactosamine synthase |
epididymis |
very high enzyme concentration in Golgi apparatus of epididymal duct epithelium from initial segment to intermediate caput, although much lower amounts of enzyme are in efferent ducts, distal caput, corpus and cauda. Even in the initial segment and caput epididymis, only low levels of soluble enzyme form are detected in the fluid |
489551 |
2.5.1.18 | glutathione transferase |
epididymis |
- |
637909 |
2.7.1.127 | inositol-trisphosphate 3-kinase |
epididymis |
low expression level |
737403 |
2.7.10.1 | receptor protein-tyrosine kinase |
epididymis |
- |
690303 |
2.7.11.11 | cAMP-dependent protein kinase |
epididymis |
- |
671678, 690339 |
2.7.11.25 | mitogen-activated protein kinase kinase kinase |
epididymis |
lowest expression |
762367 |
2.7.11.27 | [acetyl-CoA carboxylase] kinase |
epididymis |
- |
640772, 640775 |
2.7.12.2 | mitogen-activated protein kinase kinase |
epididymis |
- |
678560 |
2.7.7.43 | N-acylneuraminate cytidylyltransferase |
epididymis |
- |
645255 |
2.8.2.2 | alcohol sulfotransferase |
epididymis |
- |
645775, 645777, 645794 |
2.8.2.2 | alcohol sulfotransferase |
epididymis |
SULT2A1 expression is virtually confined to the body in the epididymis. The enzyme is secreted into the ductal lumen via an apocrine mechanism. In addition to the ductal epithelium, immunostaining is observed in spherical particles situated in the ductal lumen and in vascular endothelial cells of the epididymal connective tissue |
761704 |
2.8.2.2 | alcohol sulfotransferase |
epididymis |
SULT2B1 expression is increased significantly along the epididymis, coexpression with HSD3B1. The enzyme is secreted into the ductal lumen via an apocrine mechanism. Immunolocalization study of SULT2B1. SULT2B1-mRNA expression is highest in the distal part of the epididymal tail in muscular cells |
761704 |
2.8.2.20 | protein-tyrosine sulfotransferase |
epididymis |
cauda |
674775 |
2.8.2.4 | estrone sulfotransferase |
epididymis |
- |
725979 |
2.8.2.4 | estrone sulfotransferase |
epididymis |
EST is localized all along the excurrent duct with a higher signal in the caput and corpus epididymis |
704213 |
2.8.2.4 | estrone sulfotransferase |
epididymis |
high level in males. Castration of male mice abolishes EST expression in the epididymal fat, whereas testosterone supplementation restores it, suggesting that EST expression in male WAT is testosterone-dependent |
-, 760317 |
3.1.1.31 | 6-phosphogluconolactonase |
epididymis |
- |
80870, 80874 |
3.1.1.34 | lipoprotein lipase |
epididymis |
- |
80891 |
3.1.1.47 | 1-alkyl-2-acetylglycerophosphocholine esterase |
epididymis |
- |
653094 |
3.1.3.1 | alkaline phosphatase |
epididymis |
epididymal tail tissue |
653964 |
3.1.3.1 | alkaline phosphatase |
epididymis |
fluid, high activity, secretion of the enzyme, localized to caput, corpora, and cauda |
653965 |
3.1.3.43 | [pyruvate dehydrogenase (acetyl-transferring)]-phosphatase |
epididymis |
- |
94883, 94885, 94892, 94898, 94899, 94906, 94907 |
3.1.3.44 | [acetyl-CoA carboxylase]-phosphatase |
epididymis |
- |
134901 |
3.1.3.46 | fructose-2,6-bisphosphate 2-phosphatase |
epididymis |
- |
664718 |
3.1.3.48 | protein-tyrosine-phosphatase |
epididymis |
high transcriptional level in epididymis |
694827 |
3.1.3.5 | 5'-nucleotidase |
epididymis |
- |
-, 715146 |
3.1.3.9 | glucose-6-phosphatase |
epididymis |
- |
134923 |
3.1.4.1 | phosphodiesterase I |
epididymis |
- |
697620 |
3.1.4.12 | sphingomyelin phosphodiesterase |
epididymis |
- |
704668 |
3.1.4.35 | 3',5'-cyclic-GMP phosphodiesterase |
epididymis |
- |
711934 |
3.1.4.53 | 3',5'-cyclic-AMP phosphodiesterase |
epididymis |
- |
689817, 749580 |
3.1.6.1 | arylsulfatase (type I) |
epididymis |
specific activity of enzyme remains low until testes reach a weight of approximately 1 g and then increases. Testes and epididymal regression induced by a short photoperiod increases enzyme activity in the testes and reduces activity in epididymides |
677558 |
3.1.6.8 | cerebroside-sulfatase |
epididymis |
immunocytochemistry of the epididymis reveals the enzyme in narrow and apical cells in the initial segment and in clear cells in all epididymal region |
650506 |
3.2.1.114 | mannosyl-oligosaccharide 1,3-1,6-alpha-mannosidase |
epididymis |
clear cells in all epdididymal regions, not in principal cells |
646640 |
3.2.1.20 | alpha-glucosidase |
epididymis |
from well-fed and undernourished mice, cauda, caput, and corpus |
682809 |
3.2.1.23 | beta-galactosidase |
epididymis |
- |
171343 |
3.2.1.23 | beta-galactosidase |
epididymis |
caput, corpus and cauda region |
171334 |
3.2.1.23 | beta-galactosidase |
epididymis |
epididymal luminal fluid |
171282 |
3.2.1.24 | alpha-mannosidase |
epididymis |
- |
135984 |
3.2.1.24 | alpha-mannosidase |
epididymis |
cauda epididymis |
135957, 135968 |
3.2.1.24 | alpha-mannosidase |
epididymis |
highest specific activities of both alpha-and beta-mannosidases |
701161 |
3.2.1.24 | alpha-mannosidase |
epididymis |
only isoform B present |
135961 |
3.2.1.25 | beta-mannosidase |
epididymis |
highest specific activities of both alpha-and beta-mannosidases |
701161 |
3.2.1.35 | hyaluronoglucosaminidase |
epididymis |
HPH-20 |
664596 |
3.2.1.35 | hyaluronoglucosaminidase |
epididymis |
Hyal3 is expressed in epididymal tissue/fluid, from where it is acquired by caudal mouse sperm in vitro |
716289 |
3.2.1.50 | alpha-N-acetylglucosaminidase |
epididymis |
- |
208666, 208687 |
3.2.1.51 | alpha-L-fucosidase |
epididymis |
- |
136445, 208731, 208740, 656888 |
3.2.1.51 | alpha-L-fucosidase |
epididymis |
partly secretory and partly non-secretory bound form |
208713 |
3.2.1.52 | beta-N-acetylhexosaminidase |
epididymis |
- |
393676 |