EC Number |
Recommended Name |
Source Tissue |
Reference |
---|
1.11.1.9 | glutathione peroxidase |
seminal plasma |
- |
690120 |
1.14.14.18 | heme oxygenase (biliverdin-producing) |
seminal plasma |
activity is very low in obstructive azoospermia specimens, low in nonobstructive azoospermia, moderate in oligozoospermia while higher in normozoospermia. HO-2 expression in all studied groups whereas HO-1 is highly expressed in fertile normozoospermic group compared with other groups |
701691 |
1.21.99.4 | thyroxine 5'-deiodinase |
seminal plasma |
- |
658925 |
1.4.3.22 | diamine oxidase |
seminal plasma |
- |
209612, 725767 |
2.3.2.2 | gamma-glutamyltransferase |
seminal plasma |
- |
487898, 487931, 487940 |
2.4.2.26 | protein xylosyltransferase |
seminal plasma |
of healthy and infertile men with oligo-, astheno- or teratozoospermia, and of men after vasectomy |
637620 |
3.1.1.47 | 1-alkyl-2-acetylglycerophosphocholine esterase |
seminal plasma |
- |
80944, 80949 |
3.1.3.1 | alkaline phosphatase |
seminal plasma |
originated from the epididymis and testicle |
653964 |
3.1.3.1 | alkaline phosphatase |
seminal plasma |
seminal plasma specific isozyme of the non-specific type |
653965 |
3.1.3.2 | acid phosphatase |
seminal plasma |
- |
134727, 650866, 699826, 751345 |
3.1.3.2 | acid phosphatase |
seminal plasma |
enzyme form S2, and Szn |
134728 |
3.1.3.2 | acid phosphatase |
seminal plasma |
isoenzyme PAP-II |
134726 |
3.1.3.2 | acid phosphatase |
seminal plasma |
secreted into seminal plasma under androgenic control |
134788 |
3.1.3.2 | acid phosphatase |
seminal plasma |
two enzyme activities in seminal plasma |
664939 |
3.1.3.5 | 5'-nucleotidase |
seminal plasma |
- |
649751, 650307, 95071 |
3.1.3.5 | 5'-nucleotidase |
seminal plasma |
5'-nucleotidase activity is decreased in seminal plasma from varicocele patients |
693385 |
3.1.4.12 | sphingomyelin phosphodiesterase |
seminal plasma |
- |
135148 |
3.1.4.39 | alkylglycerophosphoethanolamine phosphodiesterase |
seminal plasma |
- |
664939 |
3.1.4.53 | 3',5'-cyclic-AMP phosphodiesterase |
seminal plasma |
- |
749580 |
3.1.6.1 | arylsulfatase (type I) |
seminal plasma |
- |
135524, 135527, 135528 |
3.1.6.8 | cerebroside-sulfatase |
seminal plasma |
- |
135690 |
3.2.1.20 | alpha-glucosidase |
seminal plasma |
- |
749578 |
3.2.1.24 | alpha-mannosidase |
seminal plasma |
- |
701161 |
3.2.1.25 | beta-mannosidase |
seminal plasma |
- |
701161 |
3.2.1.35 | hyaluronoglucosaminidase |
seminal plasma |
- |
682896 |
3.2.1.51 | alpha-L-fucosidase |
seminal plasma |
- |
208712, 208713, 656821, 698301 |
3.2.1.52 | beta-N-acetylhexosaminidase |
seminal plasma |
- |
749583 |
3.2.1.52 | beta-N-acetylhexosaminidase |
seminal plasma |
no significant difference is found in total enzyme activity between normozoospermic controls and patients with secretory azoospermia. Ioenzyme A activity is significantly lower and the ratio between total enzyme activity and isoenzyme A activity is significantly higher in azoospermic patients compared to controls. This difference does not represent a useful marker of secretory azoospermia |
679277 |
3.2.2.5 | NAD+ glycohydrolase |
seminal plasma |
- |
656684 |
3.4.11.2 | membrane alanyl aminopeptidase |
seminal plasma |
- |
35875 |
3.4.14.2 | dipeptidyl-peptidase II |
seminal plasma |
- |
667493, 669768, 669775, 679288, 95244 |
3.4.14.4 | dipeptidyl-peptidase III |
seminal plasma |
- |
36177 |
3.4.14.5 | dipeptidyl-peptidase IV |
seminal plasma |
- |
36253, 649200, 651079, 664625 |
3.4.15.1 | peptidyl-dipeptidase A |
seminal plasma |
- |
652206 |
3.4.15.1 | peptidyl-dipeptidase A |
seminal plasma |
soluble form |
755108 |
3.4.17.12 | carboxypeptidase M |
seminal plasma |
- |
668124, 697395 |
3.4.21.117 | stratum corneum chymotryptic enzyme |
seminal plasma |
- |
664621 |
3.4.21.119 | kallikrein 13 |
seminal plasma |
- |
647372, 679276 |
3.4.21.122 | transmembrane protease serine 2 |
seminal plasma |
TMPRSS2 is a component of the normal seminal fluid proteome |
753135 |
3.4.21.35 | tissue kallikrein |
seminal plasma |
- |
647488, 647503, 647537, 668284, 678468, 678522, 696026 |
3.4.21.68 | t-Plasminogen activator |
seminal plasma |
- |
29578 |
3.4.21.73 | u-Plasminogen activator |
seminal plasma |
- |
29578 |
3.4.21.77 | semenogelase |
seminal plasma |
- |
647332, 647582, 647583, 647587, 647591, 647594, 696026, 701037, 707727, 710463 |
3.4.21.77 | semenogelase |
seminal plasma |
predominantly exists in free form in seminal plasma |
709704 |
3.4.21.B42 | hippostasin |
seminal plasma |
- |
668284 |
3.4.21.B45 | kallikrein 14 |
seminal plasma |
- |
680911 |
3.4.21.B45 | kallikrein 14 |
seminal plasma |
KLK14 expression is significantly lower in individuals with clinically delayed liquefaction. Crucial cascade-mediated function of KLK14 in regulating the coagulation and liquefaction of human semen |
693084 |
3.4.21.B6 | prostasin |
seminal plasma |
- |
651845 |
3.4.23.1 | pepsin A |
seminal plasma |
- |
36763 |
3.4.23.3 | gastricsin |
seminal plasma |
- |
668809, 718005 |
3.5.4.4 | adenosine deaminase |
seminal plasma |
- |
209612 |
3.6.1.1 | inorganic diphosphatase |
seminal plasma |
- |
735048 |
4.6.1.18 | pancreatic ribonuclease |
seminal plasma |
- |
134522, 134537, 134562 |
5.3.99.2 | Prostaglandin-D synthase |
seminal plasma |
- |
3103, 3104, 661507, 693896 |