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