GlycosylTransferase Family 104

Activities in FamilyDTDP-L-Rha: α-L-rhamnosyltransferase (EC 2.4.1.-);
Mechanism Inverting
NoteLassak et al. identified EarP as EF-P arginine R32 specific rhamnosyl transferase in Shewanella oneidensis using dTDP-b-L-rhamnose as donor substrate (PMID=25686373). The results of this study were subsequently confirmed for Pseudomonas aeruginosa (PMID=26060278), Pseudomonas putida (PMID=28951478) and Neisseria meningitidis (PMID=26840407). In 2016, it has been shown for S. oneidensis (PMID=28451135) and P. aeruginosa (PMID=28451332) that the enzyme is an inverting glycosyltransferase, thus mediating the formation of an a-L-rhamnosidic linkage. A structural basis for the arginine glycosylation reaction was provided by Krafczyk, Macosek and coworkers by having solved the crystal structure of the GT-B folding EarP from P. putida and an accompanying biochemical analysis of the enzyme (PMID=28951478).
Statistics GenBank accession (3763); Uniprot accession (4); PDB accession (12); 3D entries (4); cryst (0)
Bacteria
Protein Name EC#OrganismGenBankUniprot
PDB/3D Carbohydrate Ligands Resolution (Å)
 NMH_0797 (EarP)   Neisseria meningitidis H44/76 EFV64284.1  
5WXI[A,B] 2.00
5WXJ[A,B] 1.85
5WXK[A] 1.80
5XVR[A,B] 1.63
 CQR35_05455   Neisseria meningitidis M26263 ATL34055.1  
7COX[A,B] 3.00
7F2A[A,B] 2.58
7VCH[A,B] 2.85
 dTDP-β-L-Rhap : arginine α-L-rhamnosyltransferase (EarP; PA2852) 2.4.1.- Pseudomonas aeruginosa PAO1 AAG06240.1 Q9HZZ1
6J7J[A] 1.75
6J7K[A] 2.15
6J7L[A] 1.85
6J7M[A,C] 2.30
 dTDP-β-L-Rhap : arginine α-L-rhamnosyltransferase (EarP; PP_1857) 2.4.1.- Pseudomonas putida KT2440 AAN67476.1 Q88LS1
5NV8[A] 2.29
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