EC Number |
Recommended Name |
Source Tissue |
Reference |
---|
1.1.1.14 | L-iditol 2-dehydrogenase |
spermatozoon |
- |
285882 |
1.1.1.27 | L-lactate dehydrogenase |
spermatozoon |
- |
655268 |
1.1.1.27 | L-lactate dehydrogenase |
spermatozoon |
isoenzyme LDH-B4 and LDH-A2B2 |
655268 |
1.1.1.39 | malate dehydrogenase (decarboxylating) |
spermatozoon |
- |
286714 |
1.1.1.39 | malate dehydrogenase (decarboxylating) |
spermatozoon |
high exnzyme activity |
722082 |
1.1.1.39 | malate dehydrogenase (decarboxylating) |
spermatozoon |
two molecular forms of malic enzyme are present in herring spermatozoa: an NAD-preferring malic enzyme with very high activity and an NADP-specific malic enzyme (EC 1.1.1.40) with much lower activity (ratio about 33:1) |
722082 |
1.1.1.40 | malate dehydrogenase (oxaloacetate-decarboxylating) (NADP+) |
spermatozoon |
two molecular forms of malic enzyme are present in carp spermatozoa: an NAD-preferring malic enzyme with very high activity and an NADP-specific malic enzyme (EC 1.1.1.40) with much lower activity (ratio about 33:1) |
722082 |
1.1.1.40 | malate dehydrogenase (oxaloacetate-decarboxylating) (NADP+) |
spermatozoon |
two molecular forms of malic enzyme are present in catfish spermatozoa: an NAD-preferring malic enzyme with very high activity and an NADP-specific malic enzyme (EC 1.1.1.40) with much lower activity (ratio about 33:1) |
722082 |
1.1.1.40 | malate dehydrogenase (oxaloacetate-decarboxylating) (NADP+) |
spermatozoon |
two molecular forms of malic enzyme are present in herring spermatozoa: an NAD-preferring malic enzyme with very high activity and an NADP-specific malic enzyme (EC 1.1.1.40) with much lower activity (ratio about 33:1) |
722082 |
1.1.1.40 | malate dehydrogenase (oxaloacetate-decarboxylating) (NADP+) |
spermatozoon |
two molecular forms of malic enzyme are present in salmon spermatozoa: an NAD-preferring malic enzyme with very high activity and an NADP-specific malic enzyme (EC 1.1.1.40) with much lower activity (ratio about 33:1) |
722082 |
1.1.1.41 | isocitrate dehydrogenase (NAD+) |
spermatozoon |
- |
740114 |
1.1.5.3 | glycerol-3-phosphate dehydrogenase |
spermatozoon |
- |
713077 |
1.11.1.12 | phospholipid-hydroperoxide glutathione peroxidase |
spermatozoon |
- |
394867, 658758, 671327, 674502, 696435, 701272 |
1.11.1.12 | phospholipid-hydroperoxide glutathione peroxidase |
spermatozoon |
activity does not differ between normo- and hypomotile human sperm samples |
658926 |
1.11.1.12 | phospholipid-hydroperoxide glutathione peroxidase |
spermatozoon |
epididymal, hormone regulated appearance |
394877 |
1.11.1.24 | thioredoxin-dependent peroxiredoxin |
spermatozoon |
expressed in the postacrosomal sheath region |
696569 |
1.11.1.9 | glutathione peroxidase |
spermatozoon |
- |
690120 |
1.11.1.9 | glutathione peroxidase |
spermatozoon |
GPX4 |
675985 |
1.11.1.9 | glutathione peroxidase |
spermatozoon |
GPX5 |
675985 |
1.13.11.33 | arachidonate 15-lipoxygenase |
spermatozoon |
- |
677081 |
1.13.11.52 | indoleamine 2,3-dioxygenase |
spermatozoon |
- |
686937 |
1.14.14.154 | sterol 14alpha-demethylase |
spermatozoon |
acrosomal membrane of mature sperm |
671727 |
1.14.14.32 | 17alpha-hydroxyprogesterone deacetylase |
spermatozoon |
intensely present during the breeding season |
705389 |
1.15.1.1 | superoxide dismutase |
spermatozoon |
- |
728785 |
1.4.3.1 | D-aspartate oxidase |
spermatozoon |
- |
711719 |
1.4.3.2 | L-amino-acid oxidase |
spermatozoon |
- |
742041 |
1.6.2.2 | cytochrome-b5 reductase |
spermatozoon |
- |
658252 |
1.6.3.1 | NAD(P)H oxidase (H2O2-forming) |
spermatozoon |
protein is localized to the rostral sperm head, with some labeling in the equatorial and post-acrosomal regions |
690006 |
1.8.1.4 | dihydrolipoyl dehydrogenase |
spermatozoon |
- |
658249, 659482, 691176 |
2.1.1.233 | [phosphatase 2A protein]-leucine-carboxy methyltransferase |
spermatozoon |
- |
758126 |
2.2.1.2 | transaldolase |
spermatozoon |
- |
676818 |
2.3.1.7 | carnitine O-acetyltransferase |
spermatozoon |
- |
487407 |
2.4.1.38 | beta-N-acetylglucosaminylglycopeptide beta-1,4-galactosyltransferase |
spermatozoon |
- |
706687 |
2.4.1.65 | 3-galactosyl-N-acetylglucosaminide 4-alpha-L-fucosyltransferase |
spermatozoon |
- |
736817 |
2.4.1.90 | N-acetyllactosamine synthase |
spermatozoon |
from caput and cauda epididymis, quantification of enzyme protein on the sperm surface, overview |
690003 |
2.7.1.1 | hexokinase |
spermatozoon |
enzyme is located in either head and tail, in the latter in peri- and post-acrosomal zones |
661740 |
2.7.1.11 | 6-phosphofructokinase |
spermatozoon |
localized in the mid-piece and principal piece of the flagellum as well as in the acrosomal area at the top of the head and in the cytoplasmic droplets released from the mid-piece after ejaculation |
677082 |
2.7.1.11 | 6-phosphofructokinase |
spermatozoon |
PFK shows no tight binding to sperm structures. It can readily be extracted from ejaculated boar spermatozoa by sonication. PFK is localized in the mid-piece and principal piece of the flagellum as well as in the acrosomal area at the top of the head and in the cytoplasmic droplets released from the mid-piece after ejaculation |
677082 |
2.7.1.127 | inositol-trisphosphate 3-kinase |
spermatozoon |
- |
760316 |
2.7.1.127 | inositol-trisphosphate 3-kinase |
spermatozoon |
epididymal spermatozoa |
737403 |
2.7.1.137 | phosphatidylinositol 3-kinase |
spermatozoon |
- |
710020 |
2.7.1.30 | glycerol kinase |
spermatozoon |
- |
641287, 761751 |
2.7.1.40 | pyruvate kinase |
spermatozoon |
in the acrosome of the sperm head and in the fibrous sheath of the principal piece of the flagellum |
677083 |
2.7.1.40 | pyruvate kinase |
spermatozoon |
PK-S is found in the principal piece of the boar sperm flagellum and in the acrosomal region of the sperm head and at the head-midpiece junction |
710538 |
2.7.1.48 | uridine/cytidine kinase |
spermatozoon |
- |
676246 |
2.7.1.91 | sphingosine kinase |
spermatozoon |
SPHK1, exclusively in the acrosome, spermatozoa contain 5 sphingosine 1-phosphate receptors |
662564 |
2.7.10.2 | non-specific protein-tyrosine kinase |
spermatozoon |
- |
694280 |
2.7.11.1 | non-specific serine/threonine protein kinase |
spermatozoon |
transcripts encoding CAPL-B, an apparent member of the cyclic-nucleotide-regulated kinase subfamily in Aplysia californica, are found exclusively in the ovotestis and are concentrated in meiotic and postmeiotic spermatogenic cells. The CAPL-B polypeptide is present in mature spermatozoa |
491120 |
2.7.11.16 | G-protein-coupled receptor kinase |
spermatozoon |
- |
491135 |
2.7.11.31 | [hydroxymethylglutaryl-CoA reductase (NADPH)] kinase |
spermatozoon |
- |
740129 |
2.7.12.2 | mitogen-activated protein kinase kinase |
spermatozoon |
epididymal spermatozoa, 60000 Da variant of MAP3K11, may be a result of proteolytic cleavage of the longer form |
678560 |
2.7.2.3 | phosphoglycerate kinase |
spermatozoon |
- |
761231 |
2.7.2.3 | phosphoglycerate kinase |
spermatozoon |
isozyme PGK2 |
642256 |
2.7.2.3 | phosphoglycerate kinase |
spermatozoon |
PGK1 is mainly expressed in spermatogonia and Sertoli cells |
738355 |
2.7.2.3 | phosphoglycerate kinase |
spermatozoon |
PGK2 is mainly expressed in round spermatids and spermatocytes |
738355 |
2.7.3.2 | creatine kinase |
spermatozoon |
- |
642371, 642418, 642426, 642432, 760340 |
2.8.3.5 | 3-oxoacid CoA-transferase |
spermatozoon |
midpiece of ejaculated spermatozoa where mitochondria exist |
645993 |
3.1.1.32 | phospholipase A1 |
spermatozoon |
- |
730037 |
3.1.1.32 | phospholipase A1 |
spermatozoon |
contains several phospholipase activities |
666690 |
3.1.1.61 | protein-glutamate methylesterase |
spermatozoon |
from caput epididymidis, level declines more than 20fold during maturation as spermatozoa acquire motility and capacity to fertilize |
646046 |
3.1.3.16 | protein-serine/threonine phosphatase |
spermatozoon |
- |
664954, 731007 |
3.1.3.2 | acid phosphatase |
spermatozoon |
- |
134728, 134755, 750925 |
3.1.3.48 | protein-tyrosine-phosphatase |
spermatozoon |
epididymal spermatozoon, changes in thiol status during sperm maturation affect enzyme protein levels and activity. Tyrosine phosphorylation is significantly increased in several sperm tails during maturation. Enzyme activity is higher in the caput spermatozoa, which have a high thiol content, than in the cauda spermatozoa, with low thiol content |
664283 |
3.1.3.5 | 5'-nucleotidase |
spermatozoon |
5'-nucleotidase activity is decreased in spermatozoa from varicocele patients |
693385 |
3.1.3.9 | glucose-6-phosphatase |
spermatozoon |
- |
134945 |
3.1.4.11 | phosphoinositide phospholipase C |
spermatozoon |
- |
751578 |
3.1.4.11 | phosphoinositide phospholipase C |
spermatozoon |
isoform PI-PLCzeta |
751272 |
3.1.4.17 | 3',5'-cyclic-nucleotide phosphodiesterase |
spermatozoon |
epididymal |
135240 |
3.1.4.3 | phospholipase C |
spermatozoon |
- |
135285 |
3.1.4.4 | phospholipase D |
spermatozoon |
- |
664713 |
3.1.4.53 | 3',5'-cyclic-AMP phosphodiesterase |
spermatozoon |
- |
749580 |
3.1.6.1 | arylsulfatase (type I) |
spermatozoon |
P70 is present on capacitated cauda sperm surface |
694140 |
3.1.6.8 | cerebroside-sulfatase |
spermatozoon |
- |
668313 |
3.1.6.8 | cerebroside-sulfatase |
spermatozoon |
localized on the sperm surface, in the acrosome and postacrosomal regions |
135689 |
3.1.8.1 | aryldialkylphosphatase |
spermatozoon |
PON1 |
692441 |
3.2.1.18 | exo-alpha-sialidase |
spermatozoon |
- |
171147 |
3.2.1.20 | alpha-glucosidase |
spermatozoon |
epididymal |
682809 |
3.2.1.24 | alpha-mannosidase |
spermatozoon |
- |
701161 |
3.2.1.24 | alpha-mannosidase |
spermatozoon |
the activity of neutral alpha-mannosidase II is highest in mature spermatozoa |
730990 |
3.2.1.25 | beta-mannosidase |
spermatozoon |
- |
701161 |
3.2.1.31 | beta-glucuronidase |
spermatozoon |
activity in acrosome and in cytoplasmic droplets |
655508 |
3.2.1.35 | hyaluronoglucosaminidase |
spermatozoon |
- |
664596, 706696, 751311 |
3.2.1.46 | galactosylceramidase |
spermatozoon |
- |
664853 |
3.2.1.51 | alpha-L-fucosidase |
spermatozoon |
- |
208713, 666408 |
3.2.1.51 | alpha-L-fucosidase |
spermatozoon |
localized in the sperm plasma membrane over the acrosome and the tail |
750746 |
3.2.1.51 | alpha-L-fucosidase |
spermatozoon |
the enzyme is localized in the sperm plasma membrane over the acrosome and the tail |
750746 |
3.2.1.52 | beta-N-acetylhexosaminidase |
spermatozoon |
- |
749583 |
3.2.1.52 | beta-N-acetylhexosaminidase |
spermatozoon |
DmHEXA |
680039 |
3.2.1.52 | beta-N-acetylhexosaminidase |
spermatozoon |
DmHEXB |
680039 |
3.4.11.6 | aminopeptidase B |
spermatozoon |
- |
665109 |
3.4.14.10 | tripeptidyl-peptidase II |
spermatozoon |
TPPII is located on the sperm acrosomal region |
732731 |
3.4.14.2 | dipeptidyl-peptidase II |
spermatozoon |
- |
651779 |
3.4.15.1 | peptidyl-dipeptidase A |
spermatozoon |
- |
667172 |
3.4.15.1 | peptidyl-dipeptidase A |
spermatozoon |
immunolocalized in the acrosome |
731136 |
3.4.15.1 | peptidyl-dipeptidase A |
spermatozoon |
testicular ACE is located in the plasma membrane of the post-acrosomal region, the neck and midpiece of normal spermatozoa, but shows a variable distribution on the defective cells |
667172 |
3.4.19.12 | ubiquitinyl hydrolase 1 |
spermatozoon |
- |
664285, 664849, 669672 |
3.4.19.12 | ubiquitinyl hydrolase 1 |
spermatozoon |
UCHL1 is expressed in defective spermatozoa but not in normal spermatozoa |
664285 |
3.4.21.1 | chymotrypsin |
spermatozoon |
- |
695083 |
3.4.21.10 | acrosin |
spermatozoon |
- |
679420, 680121, 717511, 731622, 732900, 732901, 732927 |
3.4.21.10 | acrosin |
spermatozoon |
initially present in the sperm acrosomal vesicle of mammalian spermatozoa as the zymogen form, proacrosin, converted to the active form during the acrosome reaction, after which most acrosin molecules are released from the acrosomal vesicle, with a portion remaining associated with the sperm |
682041 |