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Uridine 5'-diphosphate (YMDB00307)

Identification
YMDB IDYMDB00307
NameUridine 5'-diphosphate
SpeciesSaccharomyces cerevisiae
StrainBaker's yeast
DescriptionUridine 5'-diphosphate (UDP) is a uracil nucleotide containing a pyrophosphate group esterified to a sugar moiety. It is an important extracellular signaling molecule.
Structure
Thumb
MOLSDF3D-SDFPDBSMILESInChI View 3D Structure
Synonyms
  • 5'-UDP
  • UDP
  • Uridine 5'-diphosphate
  • Uridine 5'-diphosphic acid
  • Uridine 5'-pyrophosphate
  • Uridine 5'-pyrophosphorate
  • Uridine 5'-pyrophosphoric acid
  • Uridine diphosphate
  • Uridine pyrophosphate
  • Uridine diphosphoric acid
  • Uridine 5'-diphosphoric acid
  • Pyrophosphate, uridine
  • Diphosphate, uridine
CAS number58-98-0
WeightAverage: 404.1612
Monoisotopic: 404.002196946
InChI KeyXCCTYIAWTASOJW-XVFCMESISA-N
InChIInChI=1S/C9H14N2O12P2/c12-5-1-2-11(9(15)10-5)8-7(14)6(13)4(22-8)3-21-25(19,20)23-24(16,17)18/h1-2,4,6-8,13-14H,3H2,(H,19,20)(H,10,12,15)(H2,16,17,18)/t4-,6-,7-,8-/m1/s1
IUPAC Name[({[(2R,3S,4R,5R)-5-(2,4-dioxo-1,2,3,4-tetrahydropyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methoxy}(hydroxy)phosphoryl)oxy]phosphonic acid
Traditional IUPAC NameUDP
Chemical FormulaC9H14N2O12P2
SMILES[H]O[C@@]1([H])[C@@]([H])(O[C@]([H])(C([H])([H])OP(=O)(O[H])OP(=O)(O[H])O[H])[C@@]1([H])O[H])N1C([H])=C([H])C(=O)N([H])C1=O
Chemical Taxonomy
Description belongs to the class of organic compounds known as pyrimidine ribonucleoside diphosphates. These are pyrimidine ribonucleotides with diphosphate group linked to the ribose moiety.
KingdomOrganic compounds
Super ClassNucleosides, nucleotides, and analogues
ClassPyrimidine nucleotides
Sub ClassPyrimidine ribonucleotides
Direct ParentPyrimidine ribonucleoside diphosphates
Alternative Parents
Substituents
  • Pyrimidine ribonucleoside diphosphate
  • Pentose phosphate
  • Pentose-5-phosphate
  • Glycosyl compound
  • N-glycosyl compound
  • Monosaccharide phosphate
  • Organic pyrophosphate
  • Hydroxypyrimidine
  • Pyrimidone
  • Monoalkyl phosphate
  • Hydropyrimidine
  • Monosaccharide
  • Organic phosphoric acid derivative
  • Phosphoric acid ester
  • Pyrimidine
  • Alkyl phosphate
  • Heteroaromatic compound
  • Tetrahydrofuran
  • Secondary alcohol
  • 1,2-diol
  • Oxacycle
  • Azacycle
  • Organoheterocyclic compound
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Organooxygen compound
  • Organonitrogen compound
  • Organic oxide
  • Alcohol
  • Organopnictogen compound
  • Organic oxygen compound
  • Aromatic heteromonocyclic compound
Molecular FrameworkAromatic heteromonocyclic compounds
External Descriptors
Physical Properties
StateSolid
Charge0
Melting pointNot Available
Experimental Properties
PropertyValueReference
Water SolubilityNot AvailablePhysProp
LogPNot AvailablePhysProp
Predicted Properties
PropertyValueSource
Water Solubility8.89 g/LALOGPS
logP-0.94ALOGPS
logP-3ChemAxon
logS-1.7ALOGPS
pKa (Strongest Acidic)1.77ChemAxon
pKa (Strongest Basic)-3.7ChemAxon
Physiological Charge-2ChemAxon
Hydrogen Acceptor Count10ChemAxon
Hydrogen Donor Count6ChemAxon
Polar Surface Area212.39 ŲChemAxon
Rotatable Bond Count6ChemAxon
Refractivity74.31 m³·mol⁻¹ChemAxon
Polarizability30.41 ųChemAxon
Number of Rings2ChemAxon
Bioavailability0ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Biological Properties
Cellular Locations
  • nucleus
  • cytoplasm
Organoleptic PropertiesNot Available
SMPDB Pathways
Amino sugar and nucleotide sugar metabolismPW002413 ThumbThumb?image type=greyscaleThumb?image type=simple
Leloir PathwayPW002397 ThumbThumb?image type=greyscaleThumb?image type=simple
N-Glycan biosynthesisPW002501 ThumbThumb?image type=greyscaleThumb?image type=simple
Porphyrin MetabolismPW002462 ThumbThumb?image type=greyscaleThumb?image type=simple
Pyrimidine metabolismPW002469 ThumbThumb?image type=greyscaleThumb?image type=simple
KEGG Pathways
Amino sugar and nucleotide sugar metabolismec00520 Map00520
N-Glycan biosynthesisec00510 Map00510
Pyrimidine metabolismec00240 Map00240
Starch and sucrose metabolismec00500 Map00500
SMPDB Reactions
Glucose 1-phosphate + Uridine triphosphate + hydron → Uridine diphosphate glucose + Uridine 5'-diphosphate
Uridine diphosphate-N-acetylglucosamine + Chitin → Uridine 5'-diphosphate + Chitin
Bilirubin + Uridine diphosphate glucuronic acid → Bilirubin diglucuronide + Uridine 5'-diphosphate
Uridine diphosphate glucuronic acid → Isovalerylglucuronide + Uridine 5'-diphosphate
Uridine 5'-monophosphate + Adenosine triphosphate → ADP + Uridine 5'-diphosphate
KEGG Reactions
Uridine diphosphate glucose → Uridine 5'-diphosphate + (1->3)-beta-D-glucan + hydron
Uridine diphosphate glucose → Uridine 5'-diphosphate + hydron + (1->6)-beta-D-glucan
aldehydo-D-glucose 6-phosphate + Uridine diphosphate glucose → Uridine 5'-diphosphate + hydron + Trehalose 6-phosphate
Uridine diphosphate-N-acetylglucosamine → chitin + Uridine 5'-diphosphate + hydron
Uridine diphosphate glucose + water → Uridine 5'-diphosphate + hydron + amylose
Concentrations
Intracellular ConcentrationsNot Available
Extracellular ConcentrationsNot Available
Spectra
Spectra
References
References:
  • UniProt Consortium (2011). "Ongoing and future developments at the Universal Protein Resource." Nucleic Acids Res 39:D214-D219.21051339
  • Scheer, M., Grote, A., Chang, A., Schomburg, I., Munaretto, C., Rother, M., Sohngen, C., Stelzer, M., Thiele, J., Schomburg, D. (2011). "BRENDA, the enzyme information system in 2011." Nucleic Acids Res 39:D670-D676.21062828
  • Herrgard, M. J., Swainston, N., Dobson, P., Dunn, W. B., Arga, K. Y., Arvas, M., Bluthgen, N., Borger, S., Costenoble, R., Heinemann, M., Hucka, M., Le Novere, N., Li, P., Liebermeister, W., Mo, M. L., Oliveira, A. P., Petranovic, D., Pettifer, S., Simeonidis, E., Smallbone, K., Spasic, I., Weichart, D., Brent, R., Broomhead, D. S., Westerhoff, H. V., Kirdar, B., Penttila, M., Klipp, E., Palsson, B. O., Sauer, U., Oliver, S. G., Mendes, P., Nielsen, J., Kell, D. B. (2008). "A consensus yeast metabolic network reconstruction obtained from a community approach to systems biology." Nat Biotechnol 26:1155-1160.18846089
  • Roemer, T., Delaney, S., Bussey, H. (1993). "SKN1 and KRE6 define a pair of functional homologs encoding putative membrane proteins involved in beta-glucan synthesis." Mol Cell Biol 13:4039-4048.8321211
  • Inoue, S. B., Takewaki, N., Takasuka, T., Mio, T., Adachi, M., Fujii, Y., Miyamoto, C., Arisawa, M., Furuichi, Y., Watanabe, T. (1995). "Characterization and gene cloning of 1,3-beta-D-glucan synthase from Saccharomyces cerevisiae." Eur J Biochem 231:845-854.7649185
  • De Virgilio, C., Burckert, N., Bell, W., Jeno, P., Boller, T., Wiemken, A. (1993). "Disruption of TPS2, the gene encoding the 100-kDa subunit of the trehalose-6-phosphate synthase/phosphatase complex in Saccharomyces cerevisiae, causes accumulation of trehalose-6-phosphate and loss of trehalose-6-phosphate phosphatase activity." Eur J Biochem 212:315-323.8444170
  • Mu, J., Cheng, C., Roach, P. J. (1996). "Initiation of glycogen synthesis in yeast. Requirement of multiple tyrosine residues for function of the self-glucosylating Glg proteins in vivo." J Biol Chem 271:26554-26560.8900126
  • Milewski, S., Gabriel, I., Olchowy, J. (2006). "Enzymes of UDP-GlcNAc biosynthesis in yeast." Yeast 23:1-14.16408321
  • Warnecke, D., Erdmann, R., Fahl, A., Hube, B., Muller, F., Zank, T., Zahringer, U., Heinz, E. (1999). "Cloning and functional expression of UGT genes encoding sterol glucosyltransferases from Saccharomyces cerevisiae, Candida albicans, Pichia pastoris, and Dictyostelium discoideum." J Biol Chem 274:13048-13059.10224056
  • Gao, X. D., Kaigorodov, V., Jigami, Y. (1999). "YND1, a homologue of GDA1, encodes membrane-bound apyrase required for Golgi N- and O-glycosylation in Saccharomyces cerevisiae." J Biol Chem 274:21450-21456.10409709
Synthesis Reference:Zeng, Bin; Rao, Linfan; Li, Gaowo. Method for manufacturing uridine diphosphate. Faming Zhuanli Shenqing Gongkai Shuomingshu (2007), 14pp.
External Links:
ResourceLink
CHEBI ID17659
HMDB IDHMDB00295
Pubchem Compound ID6031
Kegg IDC00015
ChemSpider ID5809
FOODB IDFDB031236
WikipediaUridine_diphosphate
BioCyc IDUDP

Enzymes

Protein Details
1. Dolichyl-phosphate beta-glucosyltransferase
General function:
Cell wall/membrane/envelope biogenesis
Specific function:
UDP-glucose + dolichyl phosphate = UDP + dolichyl beta-D-glucosyl phosphate
Gene Name:
ALG5
Uniprot ID:
P40350
Molecular weight:
38346.39844
Reactions
UDP-glucose + dolichyl phosphate → UDP + dolichyl beta-D-glucosyl phosphate.
Protein Details
2. Trehalose-phosphatase
General function:
Involved in catalytic activity
Specific function:
Phosphatase catalytic subunit of the trehalose synthase complex that catalyzes the production of trehalose from glucose-6- phosphate and UDP-glucose in a two step process
Gene Name:
TPS2
Uniprot ID:
P31688
Molecular weight:
102976.0
Reactions
Trehalose 6-phosphate + H(2)O → trehalose + phosphate.
Protein Details
3. Golgi apyrase
General function:
Involved in hydrolase activity
Specific function:
Catalyzes the hydrolysis of phosphoanhydride bonds of nucleoside tri- and di-phosphates. Has equal high activity toward ADP/ATP, GDP/GTP, and UDP/UTP and approximately 50% less toward CDP/CTP and thiamine pyrophosphate. Has no activity toward GMP. Required for Golgi glycosylation and cell wall integrity. Together with CDC55, required for adenovirus E4orf4 (early region 4 open reading frame 4) induced toxicity, the apyrase activity is not required for this function. Plays a role in sphingolipid synthesis
Gene Name:
YND1
Uniprot ID:
P40009
Molecular weight:
71851.20313
Reactions
ATP + 2 H(2)O → AMP + 2 phosphate.
Protein Details
4. Uridylate kinase
General function:
Involved in ATP binding
Specific function:
Furnishes the cell with pyrimidines. Accepts UMP, and dUMP as phosphate acceptors with high activity; to a lesser extent, it can also use IMP, GMP, dGMP, 5-iodo-dUMP, XMP, and dTMP as substrates. ATP and dATP are the best phosphate donors; can use GTP, dGTP, dCTP, and dTTP to some degree (30-50%)
Gene Name:
URA6
Uniprot ID:
P15700
Molecular weight:
22933.0
Reactions
ATP + UMP → ADP + UDP.
Protein Details
5. UDP-N-acetylglucosamine transferase subunit ALG13
General function:
Involved in transferase activity, transferring hexosyl groups
Specific function:
Involved in protein N-glycosylation. Essential for the second step of the dolichol-linked oligosaccharide pathway
Gene Name:
ALG13
Uniprot ID:
P53178
Molecular weight:
22660.90039
Reactions
UDP-N-acetyl-D-glucosamine + N-acetyl-D-glucosaminyl-diphosphodolichol → UDP + N,N'-diacetylchitobiosyl-diphosphodolichol.
Protein Details
6. Ribonucleoside-diphosphate reductase small chain 1
General function:
Involved in oxidoreductase activity
Specific function:
Provides the precursors necessary for DNA synthesis. Catalyzes the biosynthesis of deoxyribonucleotides from the corresponding ribonucleotides. RNR2 provides the diiron-tyrosyl radical center
Gene Name:
RNR2
Uniprot ID:
P09938
Molecular weight:
46147.0
Reactions
2'-deoxyribonucleoside diphosphate + thioredoxin disulfide + H(2)O → ribonucleoside diphosphate + thioredoxin.
Protein Details
7. Nucleoside diphosphate kinase
General function:
Involved in nucleoside diphosphate kinase activity
Specific function:
Major role in the synthesis of nucleoside triphosphates other than ATP. The ATP gamma phosphate is transferred to the NDP beta phosphate via a ping-pong mechanism, using a phosphorylated active-site intermediate. Required for repair of UV radiation- and etoposide-induced DNA damage
Gene Name:
YNK1
Uniprot ID:
P36010
Molecular weight:
17166.59961
Reactions
ATP + nucleoside diphosphate → ADP + nucleoside triphosphate.
Protein Details
8. Ribonucleoside-diphosphate reductase large chain 1
General function:
Involved in oxidation-reduction process
Specific function:
Provides the precursors necessary for DNA synthesis. Catalyzes the biosynthesis of deoxyribonucleotides from the corresponding ribonucleotides
Gene Name:
RNR1
Uniprot ID:
P21524
Molecular weight:
99560.20313
Reactions
2'-deoxyribonucleoside diphosphate + thioredoxin disulfide + H(2)O → ribonucleoside diphosphate + thioredoxin.
Protein Details
9. Mevalonate kinase
General function:
Involved in ATP binding
Specific function:
RAR (regulation of autonomous replication) is a protein whose activity increases the mitotic stability of plasmids
Gene Name:
ERG12
Uniprot ID:
P07277
Molecular weight:
48458.89844
Reactions
ATP + (R)-mevalonate → ADP + (R)-5-phosphomevalonate.
Protein Details
10. Glycogenin-2
General function:
Involved in transferase activity, transferring glycosyl groups
Specific function:
Self-glucosylating initiator of glycogen synthesis. Catalyzes the formation of a short alpha (1,4)-glucosyl chain covalently attached via a glucose 1-O-tyrosyl linkage to internal tyrosine residues. These chains act as primers for the elongation reaction catalyzed by glycogen synthase. Capable of transferring glucosyl residues to unbound acceptors such as free oligoglucans or oligoglucan derivatives
Gene Name:
GLG2
Uniprot ID:
P47011
Molecular weight:
44545.60156
Reactions
UDP-alpha-D-glucose + glycogenin → UDP + alpha-D-glucosylglycogenin.
Protein Details
11. 1,3-beta-glucan synthase component FKS1
General function:
Involved in 1,3-beta-D-glucan synthase activity
Specific function:
Alternate catalytic subunit of the 1,3-beta-glucan synthase (GS). Synthesizes 1,3-beta-glucan, a major structural component of the yeast cell wall. Involved in cell wall synthesis, maintenance and cell wall remodeling
Gene Name:
FKS1
Uniprot ID:
P38631
Molecular weight:
214849.0
Reactions
UDP-glucose + ((1->3)-beta-D-glucosyl)(n) → UDP + ((1->3)-beta-D-glucosyl)(n+1).
Protein Details
12. 1,3-beta-glucan synthase component FKS3
General function:
Involved in 1,3-beta-D-glucan synthase activity
Specific function:
Required for spore wall assembly
Gene Name:
FKS3
Uniprot ID:
Q04952
Molecular weight:
207481.0
Reactions
UDP-glucose + ((1->3)-beta-D-glucosyl)(n) → UDP + ((1->3)-beta-D-glucosyl)(n+1).
Protein Details
13. 1,3-beta-glucan synthase component GSC2
General function:
Involved in 1,3-beta-D-glucan synthase activity
Specific function:
Alternate catalytic subunit of the 1,3-beta-glucan synthase (GS). Synthesizes 1,3-beta-glucan, a major structural component of the yeast cell wall. Required for spore wall assembly. Negative regulation of activity by SMK1 is important for spore wall deposition. Activity is positively regulated by RHO1
Gene Name:
GSC2
Uniprot ID:
P40989
Molecular weight:
216988.0
Reactions
UDP-glucose + ((1->3)-beta-D-glucosyl)(n) → UDP + ((1->3)-beta-D-glucosyl)(n+1).
Protein Details
14. UTP--glucose-1-phosphate uridylyltransferase
General function:
Involved in nucleotidyltransferase activity
Specific function:
Plays a central role as a glucosyl donor in cellular metabolic pathways
Gene Name:
UGP1
Uniprot ID:
P32861
Molecular weight:
55987.39844
Reactions
UTP + alpha-D-glucose 1-phosphate → diphosphate + UDP-glucose.
Protein Details
15. Alpha,alpha-trehalose-phosphate synthase [UDP-forming] 56 kDa subunit
General function:
Involved in catalytic activity
Specific function:
Synthase catalytic subunit of the trehalose synthase complex that catalyzes the production of trehalose from glucose-6- phosphate and UDP-glucose in a two step process. Can function independently of the complex
Gene Name:
TPS1
Uniprot ID:
Q00764
Molecular weight:
56147.5
Reactions
UDP-glucose + D-glucose 6-phosphate → UDP + alpha,alpha-trehalose 6-phosphate.
Protein Details
16. Sterol 3-beta-glucosyltransferase
General function:
Involved in transferase activity, transferring hexosyl groups
Specific function:
May be involved in decane metabolism and autophagy. Involved in the biosynthesis of sterol glucoside
Gene Name:
ATG26
Uniprot ID:
Q06321
Molecular weight:
136053.0
Reactions
UDP-glucose + a sterol → UDP + a sterol 3-beta-D-glucoside.
Protein Details
17. Glycogenin-1
General function:
Involved in transferase activity, transferring glycosyl groups
Specific function:
Self-glucosylating initiator of glycogen synthesis. Catalyzes the formation of a short alpha (1,4)-glucosyl chain covalently attached via a glucose 1-O-tyrosyl linkage to internal tyrosine residues. These chains act as primers for the elongation reaction catalyzed by glycogen synthase. Capable of transferring glucosyl residues to unbound acceptors such as free oligoglucans or oligoglucan derivatives
Gene Name:
GLG1
Uniprot ID:
P36143
Molecular weight:
69723.39844
Reactions
UDP-alpha-D-glucose + glycogenin → UDP + alpha-D-glucosylglycogenin.
Protein Details
18. Phosphatidylinositol N-acetylglucosaminyltransferase subunit GPI19
General function:
Involved in phosphatidylinositol N-acetylglucosaminyltr
Specific function:
Part of the complex catalyzing the transfer of N- acetylglucosamine from UDP-N-acetylglucosamine to phosphatidylinositol, the first step of GPI biosynthesis. Involved in cell wall biosynthesis
Gene Name:
GPI19
Uniprot ID:
Q04082
Molecular weight:
16089.40039
Reactions
UDP-N-acetyl-D-glucosamine + 1-phosphatidyl-1D-myo-inositol → UDP + 6-(N-acetyl-alpha-D-glucosaminyl)-1-phosphatidyl-1D-myo-inositol.
Protein Details
19. Phosphatidylinositol N-acetylglucosaminyltransferase subunit GPI1
General function:
Involved in phosphatidylinositol N-acetylglucosaminyltransferase activity
Specific function:
Part of the complex catalyzing the transfer of N- acetylglucosamine from UDP-N-acetylglucosamine to phosphatidylinositol, the first step of GPI biosynthesis
Gene Name:
GPI1
Uniprot ID:
P53306
Molecular weight:
70353.70313
Reactions
UDP-N-acetyl-D-glucosamine + 1-phosphatidyl-1D-myo-inositol → UDP + 6-(N-acetyl-alpha-D-glucosaminyl)-1-phosphatidyl-1D-myo-inositol.
Protein Details
20. Phosphatidylinositol N-acetylglucosaminyltransferase GPI3 subunit
General function:
Involved in biosynthetic process
Specific function:
Catalytic subunit in the complex catalyzing the transfer of N-acetylglucosamine from UDP-N-acetylglucosamine to phosphatidylinositol, the first step of GPI biosynthesis
Gene Name:
SPT14
Uniprot ID:
P32363
Molecular weight:
51241.80078
Reactions
UDP-N-acetyl-D-glucosamine + 1-phosphatidyl-1D-myo-inositol → UDP + 6-(N-acetyl-alpha-D-glucosaminyl)-1-phosphatidyl-1D-myo-inositol.
Protein Details
21. Phosphatidylinositol N-acetylglucosaminyltransferase GPI2 subunit
General function:
Involved in phosphatidylinositol N-acetylglucosaminyltransferase activity
Specific function:
Part of the complex catalyzing the transfer of N- acetylglucosamine from UDP-N-acetylglucosamine to phosphatidylinositol, the first step of GPI biosynthesis
Gene Name:
GPI2
Uniprot ID:
P46961
Molecular weight:
32576.80078
Reactions
UDP-N-acetyl-D-glucosamine + 1-phosphatidyl-1D-myo-inositol → UDP + 6-(N-acetyl-alpha-D-glucosaminyl)-1-phosphatidyl-1D-myo-inositol.
Protein Details
22. Ribonucleoside-diphosphate reductase small chain 2
General function:
Involved in oxidoreductase activity
Specific function:
Provides the precursors necessary for DNA synthesis. Catalyzes the biosynthesis of deoxyribonucleotides from the corresponding ribonucleotides. RNR4 is required for proper folding of RNR2 and assembly with the large subunits
Gene Name:
RNR4
Uniprot ID:
P49723
Molecular weight:
40054.19922
Reactions
2'-deoxyribonucleoside diphosphate + thioredoxin disulfide + H(2)O → ribonucleoside diphosphate + thioredoxin.
Protein Details
23. Chitin synthase 2
General function:
Involved in chitin synthase activity
Specific function:
Essential for septum formation and cell division. CHS2 is required for maintaining normal cell morphology
Gene Name:
CHS2
Uniprot ID:
P14180
Molecular weight:
109881.0
Reactions
UDP-N-acetyl-D-glucosamine + (1,4-(N-acetyl-beta-D-glucosaminyl))(n) → UDP + (1,4-(N-acetyl-beta-D-glucosaminyl))(n+1).
Protein Details
24. Chitin synthase 3
General function:
Involved in transferase activity, transferring hexosyl groups
Specific function:
Appears to be responsible for the synthesis of the majority of the chitin found in the cell wall periphery. It is involved in the synthesis of the chitin ring that forms in the cell wall just before bud emergence. This ring remains at the base of the bud as the bud grows and ultimately forms part of the bud scar marking the division site on the mother cell
Gene Name:
CHS3
Uniprot ID:
P29465
Molecular weight:
131600.0
Reactions
UDP-N-acetyl-D-glucosamine + (1,4-(N-acetyl-beta-D-glucosaminyl))(n) → UDP + (1,4-(N-acetyl-beta-D-glucosaminyl))(n+1).
Protein Details
25. Chitin synthase 1
General function:
Involved in chitin synthase activity
Specific function:
Septum formation and repair, especially under certain adverse conditions
Gene Name:
CHS1
Uniprot ID:
P08004
Molecular weight:
129918.0
Reactions
UDP-N-acetyl-D-glucosamine + (1,4-(N-acetyl-beta-D-glucosaminyl))(n) → UDP + (1,4-(N-acetyl-beta-D-glucosaminyl))(n+1).
Protein Details
26. Beta-glucan synthesis-associated protein KRE6
General function:
Carbohydrate transport and metabolism
Specific function:
Involved in the synthesis of (1->6)- and (1->3)-beta-D- glucan polymers of the yeast cell wall in vivo. It is required for full activity of beta-glucan synthase in vitro. May be involved in the maturation and transport of cell wall proteins (CWP) to the cell wall. May act as a transglucosidase and contribute to the construction of a protein-bound glucan-structure that acts as an acceptor site for the addition of (1->6)-beta-D-glucan at the cell surface
Gene Name:
KRE6
Uniprot ID:
P32486
Molecular weight:
80122.10156
Reactions
Protein Details
27. Trehalose synthase complex regulatory subunit TPS3
General function:
Involved in catalytic activity
Specific function:
Regulatory subunit of the trehalose synthase complex that catalyzes the production of trehalose from glucose-6- phosphate and UDP-glucose in a two step process. May stabilize the trehalose synthase complex
Gene Name:
TPS3
Uniprot ID:
P38426
Molecular weight:
118834.0
Reactions
Protein Details
28. Glycogen [starch] synthase isoform 2
General function:
Involved in glycogen (starch) synthase activity
Specific function:
Transfers the glycosyl residue from UDP-Glc to the non- reducing end of alpha-1,4-glucan. Is believed to regulate the synthesis of glycogen
Gene Name:
GSY2
Uniprot ID:
P27472
Molecular weight:
80078.20313
Reactions
UDP-glucose ((1->4)-alpha-D-glucosyl)(n) → UDP + ((1->4)-alpha-D-glucosyl)(n+1).
Protein Details
29. Glycogen [starch] synthase isoform 1
General function:
Involved in glycogen (starch) synthase activity
Specific function:
Transfers the glycosyl residue from UDP-Glc to the non- reducing end of alpha-1,4-glucan. Is believed to regulate the synthesis of glycogen
Gene Name:
GSY1
Uniprot ID:
P23337
Molecular weight:
80509.60156
Reactions
UDP-glucose ((1->4)-alpha-D-glucosyl)(n) → UDP + ((1->4)-alpha-D-glucosyl)(n+1).
Protein Details
30. Beta-glucan synthesis-associated protein SKN1
General function:
Carbohydrate transport and metabolism
Specific function:
Required for synthesis of the major beta-glucans of the yeast cell wall
Gene Name:
SKN1
Uniprot ID:
P33336
Molecular weight:
86240.39844
Reactions
Protein Details
31. Phosphatidylinositol N-acetylglucosaminyltransferase subunit GPI15
General function:
Involved in phosphatidylinositol N-acetylglucosaminyltransferase activity
Specific function:
Part of the complex catalyzing the transfer of N- acetylglucosamine from UDP-N-acetylglucosamine to phosphatidylinositol, the first step of GPI biosynthesis
Gene Name:
GPI15
Uniprot ID:
P53961
Molecular weight:
26816.5
Reactions
UDP-N-acetyl-D-glucosamine + 1-phosphatidyl-1D-myo-inositol → UDP + 6-(N-acetyl-alpha-D-glucosaminyl)-1-phosphatidyl-1D-myo-inositol.