EC Number |
Recommended Name |
Source Tissue |
Reference |
---|
1.1.1.1 | alcohol dehydrogenase |
serum |
- |
691867 |
1.1.1.14 | L-iditol 2-dehydrogenase |
serum |
- |
285875, 285877 |
1.1.1.27 | L-lactate dehydrogenase |
serum |
patients with tubercular pyothorax show highest levels in LDH-5 followed by LDH-4, LDH-2, LDH-3 and LDH-1. In LDH-5 and LDH-4 nearly 4- and 5folds increase in patients |
698228 |
1.11.1.9 | glutathione peroxidase |
serum |
- |
696580, 701039, 724505 |
1.13.11.52 | indoleamine 2,3-dioxygenase |
serum |
- |
699299, 713448 |
1.13.99.1 | inositol oxygenase |
serum |
- |
765213 |
1.14.11.16 | peptide-aspartate beta-dioxygenase |
serum |
the enzyme can be detected from the sera of tumor patients |
742666 |
1.14.11.4 | procollagen-lysine 5-dioxygenase |
serum |
- |
675031, 695440 |
1.14.14.16 | steroid 21-monooxygenase |
serum |
- |
698536 |
1.14.17.1 | dopamine beta-monooxygenase |
serum |
- |
727633 |
1.14.17.3 | peptidylglycine monooxygenase |
serum |
- |
438580, 675602 |
1.14.18.2 | CMP-N-acetylneuraminate monooxygenase |
serum |
traces of Neu5Gc found in serum by paper chromatography and in serum glycoproteins by HPLC analysis of per-O-benzoylated sialic acids |
672435 |
1.14.19.1 | stearoyl-CoA 9-desaturase |
serum |
- |
697028 |
1.16.3.1 | ferroxidase |
serum |
- |
-, 437996, 437997, 437998, 438003, 438005, 438006, 438008, 438009, 438010, 438015, 438022, 438025, 438027, 438032, 686833, 690061 |
1.17.3.2 | xanthine oxidase |
serum |
- |
-, 715069, 745473 |
1.17.4.4 | vitamin-K-epoxide reductase (warfarin-sensitive) |
serum |
- |
699704 |
1.2.1.12 | glyceraldehyde-3-phosphate dehydrogenase (phosphorylating) |
serum |
a multimeric high-molecular-weight glyceraldehyde-3-phosphate dehydrogenase, the isozyme is secreted. Low levels of non-serum-specific isozyme GAPDH. The serum-specific high-molecular weight isozyme is also secreted from cancer cells |
743173 |
1.4.1.3 | glutamate dehydrogenase [NAD(P)+] |
serum |
- |
684262 |
1.4.3.10 | putrescine oxidase |
serum |
absent from bovine serum after birth |
395442 |
1.4.3.10 | putrescine oxidase |
serum |
foetal |
395442, 395449 |
1.4.3.2 | L-amino-acid oxidase |
serum |
- |
711786 |
1.4.3.21 | primary-amine oxidase |
serum |
- |
675286, 712188, 742066 |
1.4.3.21 | primary-amine oxidase |
serum |
significantly elevated serum SSAO activity in diabetic patients, overview |
701561 |
1.4.3.22 | diamine oxidase |
serum |
- |
654516 |
1.4.3.3 | D-amino-acid oxidase |
serum |
- |
723921 |
1.5.1.20 | methylenetetrahydrofolate reductase [NAD(P)H] |
serum |
- |
684805, 688715 |
1.5.1.3 | dihydrofolate reductase |
serum |
- |
687029 |
1.6.3.1 | NAD(P)H oxidase (H2O2-forming) |
serum |
- |
686848 |
1.8.1.4 | dihydrolipoyl dehydrogenase |
serum |
enzyme is not detected on Western blots probed with antibodies that recognize mitochondrial dihydrolipoamide dehydrogenase |
725303 |
1.8.1.9 | thioredoxin-disulfide reductase |
serum |
- |
675564, 711146, 742848 |
1.8.3.2 | thiol oxidase |
serum |
fetal and newborn serum |
670858 |
1.8.4.11 | peptide-methionine (S)-S-oxide reductase |
serum |
- |
695897 |
2.1.1.1 | nicotinamide N-methyltransferase |
serum |
sera from 24 healthy individuals, from 113 non-small cell lung cancer patients undergoing surgery, and from 50 nonneoplastic lung disease patients with chronic obstructive pulmonary disease. Serum levels of NNMT are signficantly higher in lung cancer patients, overview |
704775 |
2.1.1.49 | amine N-methyltransferase |
serum |
investigation of enzyme in serum, after common bile duct ligation for a period of 42 days |
441356 |
2.1.3.3 | ornithine carbamoyltransferase |
serum |
serum level of the enzyme, leakage and clearance, is influenced by the activation state of Kupffer cells, overview |
673136 |
2.3.1.43 | phosphatidylcholine-sterol O-acyltransferase |
serum |
- |
486979, 486984, 486986, 757014 |
2.3.1.44 | N-acetylneuraminate 4-O-acetyltransferase |
serum |
- |
487032 |
2.4.1.144 | beta-1,4-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase |
serum |
- |
637308, 658860 |
2.4.1.149 | N-acetyllactosaminide beta-1,3-N-acetylglucosaminyltransferase |
serum |
- |
638561, 638583 |
2.4.1.149 | N-acetyllactosaminide beta-1,3-N-acetylglucosaminyltransferase |
serum |
newborn calf serum |
638578 |
2.4.1.149 | N-acetyllactosaminide beta-1,3-N-acetylglucosaminyltransferase |
serum |
normal blood group 0 serum |
638575 |
2.4.1.150 | N-acetyllactosaminide beta-1,6-N-acetylglucosaminyltransferase |
serum |
- |
638561 |
2.4.1.150 | N-acetyllactosaminide beta-1,6-N-acetylglucosaminyltransferase |
serum |
from freshly drawn human blood of healthy donors |
638560 |
2.4.1.152 | 4-galactosyl-N-acetylglucosaminide 3-alpha-L-fucosyltransferase |
serum |
- |
349722 |
2.4.1.175 | glucuronosyl-N-acetylgalactosaminyl-proteoglycan 4-beta-N-acetylgalactosaminyltransferase |
serum |
- |
638353, 638356 |
2.4.1.224 | glucuronosyl-N-acetylglucosaminyl-proteoglycan 4-alpha-N-acetylglucosaminyltransferase |
serum |
- |
488953, 488955 |
2.4.1.37 | fucosylgalactoside 3-alpha-galactosyltransferase |
serum |
- |
489127, 489130 |
2.4.1.38 | beta-N-acetylglucosaminylglycopeptide beta-1,4-galactosyltransferase |
serum |
- |
488947, 489519, 489521, 489534, 489535 |
2.4.1.50 | procollagen galactosyltransferase |
serum |
- |
695440 |
2.4.1.66 | procollagen glucosyltransferase |
serum |
- |
439149, 695440, 722865 |
2.4.1.68 | glycoprotein 6-alpha-L-fucosyltransferase |
serum |
- |
489333, 489339 |
2.4.1.69 | type 1 galactoside alpha-(1,2)-fucosyltransferase |
serum |
- |
740330 |
2.4.1.90 | N-acetyllactosamine synthase |
serum |
- |
488947, 489519, 489521, 489534, 489535 |
2.4.1.90 | N-acetyllactosamine synthase |
serum |
several isoforms in serum from patients with rheumatoid arthritis and from healthy individuals |
659804 |
2.4.2.12 | nicotinamide phosphoribosyltransferase |
serum |
- |
722099 |
2.4.2.12 | nicotinamide phosphoribosyltransferase |
serum |
elevated levels upon type II collagen induced arthritis (CIA) compared to non-arthritic naive DBA/1 mice as revealed by ELISA using a mouse visfatin/PBEF ELISA kit |
694813 |
2.4.2.26 | protein xylosyltransferase |
serum |
- |
637616, 679132 |
2.4.2.26 | protein xylosyltransferase |
serum |
from heart blood |
637616 |
2.4.2.26 | protein xylosyltransferase |
serum |
of healthy and infertile men with oligo-, astheno- or teratozoospermia, and of men after vasectomy |
637620 |
2.4.2.31 | NAD+-protein-arginine ADP-ribosyltransferase |
serum |
- |
675027 |
2.4.2.4 | thymidine phosphorylase |
serum |
- |
686999 |
2.4.3.1 | beta-galactoside alpha-(2,6)-sialyltransferase |
serum |
- |
723797 |
2.6.1.1 | aspartate transaminase |
serum |
- |
706055, 758963 |
2.6.1.19 | 4-aminobutyrate-2-oxoglutarate transaminase |
serum |
- |
704969 |
2.6.1.2 | alanine transaminase |
serum |
- |
673914, 673921, 675072, 675182, 701602, 760118 |
2.7.1.21 | thymidine kinase |
serum |
- |
737937 |
2.7.1.40 | pyruvate kinase |
serum |
- |
707908, 710022 |
2.7.10.1 | receptor protein-tyrosine kinase |
serum |
soluble ROR1 protein is detectable in sera of less than 25% of B-CLL patients and a similar fraction of healthy donors at concentrations below 200 ng/mL |
691857 |
2.7.2.3 | phosphoglycerate kinase |
serum |
levels of PGK1 are significantly higher in pancreatic ductal adenocarcinoma patients than in the control group, patients with gastric cancer have significantly elevated serum levels of PGK1 comparable to those observed in pancreatic ductal adenocarcinoma patients. In breast cancer patients levels of PGK1 are increased only slightly, and show no significant difference in colorectal cancer patients |
682792 |
2.7.3.2 | creatine kinase |
serum |
patient with ovarian hepatoid yolk sac tumor, an atypical ubiquitous mitochondrial enzyme form |
662511 |
2.7.4.3 | adenylate kinase |
serum |
- |
691397 |
2.8.1.1 | thiosulfate sulfurtransferase |
serum |
- |
645540 |
2.8.2.21 | keratan sulfotransferase |
serum |
- |
645832 |
2.8.2.33 | N-acetylgalactosamine 4-sulfate 6-O-sulfotransferase |
serum |
- |
659118 |
2.8.2.5 | chondroitin 4-sulfotransferase |
serum |
in hepatitis serum 4fold more active than in normal |
645747 |
3.1.1.1 | carboxylesterase |
serum |
- |
170975, 170980, 170991, 170995, 171001, 682904, 691328, 691591, 713752 |
3.1.1.10 | tropinesterase |
serum |
- |
713753, 729633 |
3.1.1.2 | arylesterase |
serum |
- |
35207, 650864, 679182, 690390, 690419, 690676, 691536, 691863, 691873, 692124, 692245, 692438, 692695, 692732, 693509, 694369, 695051, 695124, 707155, 709755, 714045, 714112, 714759, 714893, 714895, 715735, 715738, 716956, 729013, 729339, 729341, 730929, 730945 |
3.1.1.2 | arylesterase |
serum |
the enzyme activity is significantly lower in serum from patients with hyperemesis gravidarum than in serum from healthy individuals |
693357 |
3.1.1.2 | arylesterase |
serum |
the enzyme is exclusively located on high density lipoprotein in serum |
691850 |
3.1.1.2 | arylesterase |
serum |
the enzyme is secreted into the serum |
692541 |
3.1.1.2 | arylesterase |
serum |
two forms: type A and B |
35220 |
3.1.1.25 | 1,4-lactonase |
serum |
- |
692438, 692732, 695051, 715735, 729341 |
3.1.1.3 | triacylglycerol lipase |
serum |
- |
679289 |
3.1.1.32 | phospholipase A1 |
serum |
- |
94326 |
3.1.1.34 | lipoprotein lipase |
serum |
- |
-, 693433 |
3.1.1.4 | phospholipase A2 |
serum |
- |
133891 |
3.1.1.4 | phospholipase A2 |
serum |
sPLA2 activity relative to protein concentration is 2.5fold higher in serum than in lumbar cerebrospinal fluid |
708167 |
3.1.1.47 | 1-alkyl-2-acetylglycerophosphocholine esterase |
serum |
- |
716079, 80944, 80953 |
3.1.1.5 | lysophospholipase |
serum |
- |
714838 |
3.1.1.55 | acetylsalicylate deacetylase |
serum |
- |
646024, 646026, 716003, 716004 |
3.1.1.55 | acetylsalicylate deacetylase |
serum |
enzyme activity is higher in females than in males, not due to estrous cycle |
646025 |
3.1.1.7 | acetylcholinesterase |
serum |
- |
649795, 651010, 664337, 664735, 691746, 691820, 691870, 692175 |
3.1.1.8 | cholinesterase |
serum |
- |
35203, 35207, 649453, 649786, 649795, 650659, 651187, 652645, 653036, 663576, 664337, 664593, 664735, 665819, 677385, 678608, 679287, 680586, 681113, 682120, 690496, 690624, 691289, 691746, 691820, 692175, 692179, 693395, 693399, 694365, 695284, 695287, 701670, 701959, 703790, 714407, 714408, 714450, 714458, 714703, 714817, 715751, 728949, 730237, 730434, 730567, 749761, 750017, 750019, 750028, 750040, 750041, 750042, 750359, 751194, 751624, 94432, 94435, 94437, 94439, 94441, 94445, 94446, 94447, 94448, 94449, 94454, 94455, 94456, 94460, 94463 |
3.1.1.8 | cholinesterase |
serum |
2 components |
654021 |
3.1.1.8 | cholinesterase |
serum |
BuChE activity is markedly lower in serum of mdx-mice than in wild-type mouse serum, overview |
691749 |
3.1.1.81 | quorum-quenching N-acyl-homoserine lactonase |
serum |
- |
-, 664956, 749628 |
3.1.11.2 | exodeoxyribonuclease III |
serum |
- |
749571, 752287 |
3.1.21.1 | deoxyribonuclease I |
serum |
- |
134225, 664612, 730378 |
3.1.21.1 | deoxyribonuclease I |
serum |
contains two nucleases, DNase1 and DNase1/3. DNase1/3 is not N-glycosylated, whereas DNase1 is di-N-glycosylated |
-, 697891 |