The Enzyme Database

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EC 2.4.1.311     
Accepted name: chloroorienticin B synthase
Reaction: dTDP-β-L-4-epi-vancosamine + desvancosaminyl-vancomycin = dTDP + chloroorienticin B
For diagram of chloroorienticin biosynthesis, click here
Glossary: dTDP-β-L-4-epi-vancosamine = dTDP-3-amino-2,3,6-trideoxy-3-methyl-β-L-arabino-hexopyranose
desvancosaminyl-vancomycin = vanomycin pseudoaglycone
Other name(s): GtfA
Systematic name: dTDP-L-4-epi-vancosamine:desvancosaminyl-vancomycin vancosaminyltransferase
Comments: The enzyme from the bacterium Amycolatopsis orientalis is involved in the biosynthesis of the glycopeptide antibiotic chloroeremomycin.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB
References:
1.  Mulichak, A.M., Losey, H.C., Lu, W., Wawrzak, Z., Walsh, C.T. and Garavito, R.M. Structure of the TDP-epi-vancosaminyltransferase GtfA from the chloroeremomycin biosynthetic pathway. Proc. Natl. Acad. Sci. USA 100 (2003) 9238–9243. [DOI] [PMID: 12874381]
2.  Lu, W., Oberthur, M., Leimkuhler, C., Tao, J., Kahne, D. and Walsh, C.T. Characterization of a regiospecific epivancosaminyl transferase GtfA and enzymatic reconstitution of the antibiotic chloroeremomycin. Proc. Natl. Acad. Sci. USA 101 (2004) 4390–4395. [DOI] [PMID: 15070728]
[EC 2.4.1.311 created 2013]
 
 
EC 2.4.1.322     
Accepted name: devancosaminyl-vancomycin vancosaminetransferase
Reaction: dTDP-β-L-vancosamine + devancosaminyl-vancomycin = dTDP + vancomycin
For diagram of chloroorienticin biosynthesis, click here
Glossary: dTDP-β-L-vancosamine = dTDP-3-amino-2,3,6-trideoxy-3-C-methyl-β-L-lyxo-hexopyranose
Other name(s): devancosaminyl-vancomycin TDP-vancosaminyltransferase; GtfD; dTDP-β-L-vancomycin:desvancosaminyl-vancomycin β-L-vancosaminetransferase; desvancosaminyl-vancomycin vancosaminetransferase
Systematic name: dTDP-β-L-vancomycin:devancosaminyl-vancomycin β-L-vancosaminetransferase
Comments: The enzyme, isolated from the bacterium Amycolatopsis orientalis, catalyses the ultimate step in the biosynthesis of the antibiotic vancomycin.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB
References:
1.  Losey, H.C., Peczuh, M.W., Chen, Z., Eggert, U.S., Dong, S.D., Pelczer, I., Kahne, D. and Walsh, C.T. Tandem action of glycosyltransferases in the maturation of vancomycin and teicoplanin aglycones: novel glycopeptides. Biochemistry 40 (2001) 4745–4755. [DOI] [PMID: 11294642]
2.  Mulichak, A.M., Lu, W., Losey, H.C., Walsh, C.T. and Garavito, R.M. Crystal structure of vancosaminyltransferase GtfD from the vancomycin biosynthetic pathway: interactions with acceptor and nucleotide ligands. Biochemistry 43 (2004) 5170–5180. [DOI] [PMID: 15122882]
[EC 2.4.1.322 created 2014]
 
 


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