| Biphenyl-2,3-diol 1,2-dioxygenase | Pseudomonas sp. (strain KKS102) | Not Available | 1 | Details |
| Biphenyl-2,3-diol 1,2-dioxygenase | Burkholderia xenovorans (strain LB400) | Shows a preference for catechols with groups immediately adjacent to the hydroxyl substituents. | 6 | Details |
| Bis(5'-adenosyl)-triphosphatase | Humans | Possesses dinucleoside triphosphate hydrolase activity. Cleaves P(1)-P(3)-bis(5'-adenosyl) triphosphate (Ap3A) to yie... more | 3 | Details |
| Bis(monoacylglycero)phosphate synthase CLN5 | Humans | Catalyzes the synthesis of bis(monoacylglycero)phosphate (BMP) via transacylation of 2 molecules of lysophosphatidylg... more | 1 | Details |
| Blasticidin-S deaminase | Aspergillus terreus | Catalyzes the deamination of the cytosine moiety of the antibiotics blasticidin S, cytomycin and acetylblasticidin S. | 1 | Details |
| Bleomycin hydrolase | Humans | The normal physiological role of BLM hydrolase is unknown, but it catalyzes the inactivation of the antitumor drug BL... more | 1 | Details |
| Blood group Rh(D) polypeptide | Humans | May be part of an oligomeric complex which is likely to have a transport or channel function in the erythrocyte membrane | 2 | Details |
| BMP-2-inducible protein kinase | Humans | May be involved in osteoblast differentiation | 1 | Details |
| Bombesin receptor subtype-3 | Humans | Role in sperm cell division, maturation, or function. This receptor mediates its action by association with G protein... more | 2 | Details |
| Bone marrow proteoglycan | Humans | Cytotoxin and helminthotoxin. Also induces non-cytolytic histamine release from human basophils. Involved in antipara... more | 1 | Details |
| Bone morphogenetic protein 10 | Humans | Required for maintaining the proliferative activity of embryonic cardiomyocytes by preventing premature activation of... more | 1 | Details |
| Bone morphogenetic protein 4 | Humans | Growth factor of the TGF-beta superfamily that plays essential roles in many developmental processes, including neuro... more | 1 | Details |
| Bone morphogenetic protein receptor type-1A | Humans | On ligand binding, forms a receptor complex consisting of two type II and two type I transmembrane serine/threonine k... more | 4 | Details |
| Bone morphogenetic protein receptor type-1B | Humans | On ligand binding, forms a receptor complex consisting of two type II and two type I transmembrane serine/threonine k... more | 4 | Details |
| Bone morphogenetic protein receptor type-2 | Humans | On ligand binding, forms a receptor complex consisting of two type II and two type I transmembrane serine/threonine k... more | 4 | Details |
| Bontoxilysin-A | Clostridium botulinum | Not Available | 4 | Details |
| Botulinum neurotoxin type B | Clostridium botulinum | Botulinum neurotoxin type B Botulinum toxin causes flaccid paralysis by inhibiting neurotransmitter (acetylcholine) r... more | 5 | Details |
| Botulinum neurotoxin type C | Clostridium botulinum | Botulinum neurotoxin type C Botulinum toxin causes flaccid paralysis by inhibiting neurotransmitter (acetylcholine) r... more | 1 | Details |
| Botulinum neurotoxin type D | Clostridium botulinum | Botulinum neurotoxin type D Botulinum toxin causes flaccid paralysis by inhibiting neurotransmitter (acetylcholine) r... more | 1 | Details |
| Botulinum neurotoxin type E | Clostridium botulinum | Botulinum neurotoxin type E Botulinum toxin causes flaccid paralysis by inhibiting neurotransmitter (acetylcholine) r... more | 1 | Details |
| Botulinum neurotoxin type F | Clostridium botulinum | Botulinum neurotoxin type F Botulinum toxin causes flaccid paralysis by inhibiting neurotransmitter (acetylcholine) r... more | 1 | Details |
| Botulinum neurotoxin type G | Clostridium botulinum | Botulinum neurotoxin type G Botulinum toxin causes flaccid paralysis by inhibiting neurotransmitter (acetylcholine) r... more | 1 | Details |
| Branched-chain alpha-ketoacid dehydrogenase kinase | Humans | Serine/threonine-protein kinase component of macronutrients metabolism. Forms a functional kinase and phosphatase pai... more | 1 | Details |
| Branched-chain-amino-acid aminotransferase | Escherichia coli (strain K12) | Acts on leucine, isoleucine and valine. | 4 | Details |
| Branched-chain-amino-acid aminotransferase, cytosolic | Humans | Catalyzes the first reaction in the catabolism of the essential branched chain amino acids leucine, isoleucine, and v... more | 8 | Details |