| UDP-N-acetylglucosamine 1-carboxyvinyltransferase | Enterobacter cloacae subsp. cloacae (strain ATCC 13047 / DSM 30054 / NBRC 13535 / NCDC 279-56) | Cell wall formation. Adds enolpyruvyl to UDP-N-acetylglucosamine. Target for the antibiotic fosfomycin. | 5 | Details |
| UDP-N-acetylglucosamine 2-epimerase | Escherichia coli (strain K12) | Catalyzes the reversible epimerization at C-2 of UDP-N-acetylglucosamine (UDP-GlcNAc) and thereby provides bacteria w... more | 2 | Details |
| UDP-N-acetylglucosamine--dolichyl-phosphate N-acetylglucosaminephosphotransferase | Humans | UDP-N-acetylglucosamine--dolichyl-phosphate N-acetylglucosaminephosphotransferase that operates in the biosynthetic p... more | 1 | Details |
| UDP-N-acetylglucosamine--N-acetylmuramyl-(pentapeptide) pyrophosphoryl-undecaprenol N-acetylglucosamine transferase | Escherichia coli (strain K12) | Cell wall formation. Catalyzes the transfer of a GlcNAc subunit on undecaprenyl-pyrophosphoryl-MurNAc-pentapeptide (l... more | 2 | Details |
| UDP-N-acetylhexosamine pyrophosphorylase | Humans | Catalyzes the last step in biosynthesis of uridine diphosphate-N-acetylglucosamine (UDP-GlcNAc) by converting UTP and... more | 2 | Details |
| UDP-N-acetylmuramate--L-alanine ligase | Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd) | Cell wall formation. | 3 | Details |
| UDP-N-acetylmuramoyl-L-alanyl-D-glutamate--2,6-diaminopimelate ligase | Escherichia coli (strain K12) | Catalyzes the addition of meso-diaminopimelic acid to the nucleotide precursor UDP-N-acetylmuramoyl-L-alanyl-D-glutam... more | 3 | Details |
| UDP-N-acetylmuramoyl-tripeptide--D-alanyl-D-alanine ligase | Streptococcus pneumoniae (strain ATCC BAA-255 / R6) | Involved in cell wall formation. Catalyzes the final step in the synthesis of UDP-N-acetylmuramoyl-pentapeptide, the ... more | 1 | Details |
| UDP-N-acetylmuramoylalanine--D-glutamate ligase | Escherichia coli (strain K12) | Cell wall formation. Catalyzes the addition of glutamate to the nucleotide precursor UDP-N-acetylmuramoyl-L-alanine (... more | 8 | Details |
| UMP-CMP kinase | Humans | Catalyzes the phosphorylation of pyrimidine nucleoside monophosphates at the expense of ATP. Plays an important role ... more | 8 | Details |
| Uncharacterized acyl-CoA thioester hydrolase HI_0827 | Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd) | Not Available | 1 | Details |
| Uncharacterized MFS-type transporter EfpA | Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) | Not Available | 1 | Details |
| Uncharacterized N-acetyltransferase YvbK | Bacillus subtilis (strain 168) | Probable N-acetyltransferase. | 1 | Details |
| Uncharacterized protein | Actinoplanes teichomyceticus | Not Available | 1 | Details |
| Uncharacterized serine/threonine-protein kinase SBK3 | Humans | Not Available | 1 | Details |
| Unconventional myosin-Ie | Humans | Actin-based motor molecule with ATPase activity. Unconventional myosins serve in intracellular movements. Their highl... more | 1 | Details |
| Unsaturated glucuronyl hydrolase | Bacillus sp. (strain GL1) | Catalyzes the hydrolysis of oligosaccharides with unsaturated glucuronyl residues at the non-reducing terminal, to a ... more | 1 | Details |
| Uracil nucleotide/cysteinyl leukotriene receptor | Humans | Dual specificity receptor for uracil nucleotides and cysteinyl leukotrienes (CysLTs). Signals through G(i) and inhibi... more | 3 | Details |
| Uracil phosphoribosyltransferase | Thermotoga maritima (strain ATCC 43589 / MSB8 / DSM 3109 / JCM 10099) | Catalyzes the conversion of uracil and 5-phospho-alpha-D-ribose 1-diphosphate (PRPP) to UMP and diphosphate. | 1 | Details |
| Uracil phosphoribosyltransferase | Geobacillus kaustophilus (strain HTA426) | Catalyzes the conversion of uracil and 5-phospho-alpha-D-ribose 1-diphosphate (PRPP) to UMP and diphosphate. | 1 | Details |
| Uracil-DNA glycosylase | Escherichia coli O157:H7 | Excises uracil residues from the DNA which can arise as a result of misincorporation of dUMP residues by DNA polymera... more | 1 | Details |
| Uracil-DNA glycosylase | HHV-1 | Excises uracil residues from the DNA which can arise as a result of misincorporation of dUMP residues by DNA polymera... more | 1 | Details |
| Uracil-DNA glycosylase | Humans | Uracil-DNA glycosylase that hydrolyzes the N-glycosidic bond between uracil and deoxyribose in single- and double-str... more | 3 | Details |
| Uracil-DNA glycosylase inhibitor | Bacteriophage PBS2 | This protein binds specifically and reversibly to the host uracil-DNA glycosylase, preventing removal of uracil resid... more | 1 | Details |
| Urea transporter 1 | Humans | Mediates the transport of urea driven by a concentration gradient across the cell membrane of erythrocytes. Also medi... more | 2 | Details |