ProGT66 (SdgA)

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ProGT ID ProGT66 (SdgA)
Organism Information
Organism NameStaphylococcus aureus
Clinical ImplicationPathogenic
DomainBacteria
Classification Phylum : Firmicutes
Class : Bacilli
Orders : Bacillales
Family : Staphylococcaceae
Genus : Staphylococcus
Species : aureus
Strain : USA300
Taxonomic ID (NCBI)367830 
Genome Information
Gene BankCP000255.1
EMBLCP000255
Gene Information
Gene NameSAUSA300_0549
NCBI Reference SequenceABD21657
Protein information
Protein NameSdgA 
UniProtKB/ SwissProt IDA0A0H2XI10
NCBI Ref SeqWP_001106738.1
UniProtKB Sequence>tr|A0A0H2XI10|A0A0H2XI10_STAA3 Glycosyl transferase, group 1 family protein OS=Staphylococcus aureus (strain USA300) GN=SAUSA300_0549 PE=4 SV=1 MNYILGTILESKITGVEKAQINRLKLFKQHGISSKCVYVKWNPYSYTYAKQHQIENDVFT MYDYFQKAINYKKTKQVNWIQYWEKSCRYTLKFVENSNDVRIYDEEQFVMYAHFLDKQYH QLNYVNYFDHKRRKVKRELYDGRGFLSCSRILGEGQRIVLENYYTPNGEIVIQKYFDDIK GKNTLTKVILNEDQHQQFFDTEDELVQYFLHQLCKNNDQIILDRPHELGNVIAGLNQSIP VIVVLHSTHLSGAGNGIKSFYKTVFNNLTRYKAIVVSTEKQCQDISQYIENKIPVINIPV GYVANLKYQFDINQKEKNHIISIARLVENKQIKHQIEVIKQLVTKHPNIQLNIYGHGNGL SEYRQLVEDYHLSEHVKFHGFKTHINEEIAKAELMLSTSKMEGFGLAILESLSVGTPVIS YDVDYGPSELIQDGFNGYLVPQGDINQMVEKVDQLLNNTQKLQQFSINSIESAQQYNATT ISTKWQNILN
EMBL CDSABD21657.1
Sequence length490 AA
Function in Native Organism 1) SdgA sequentially transfers second GlcNAc residue on previously GlcNAcylated SDR protein.
Potential Application
Additional Information1) SdgA and SdgB GlcNAcylate staphylococcal SDR-proteins sequentially, this modification protects them against host proteolytic activity.
2) aggB (sdgA) and aggC (sdgB) are involved in GlcNAc modification of the ClfA SD repeats.
Glycosyltransferase Information
Glycosylation TypeO- (Ser/Thr) linked 
CAZY FamilyGT4
EC Number (BRENDA)2.4.1.109
Mechanism of Glycan TransferSequential
Acceptor specificity Sequon_1Serine-Aspartate dipeptide-Repeats (SDR)
Donor TypeUDP-GlcNAc
Donor SpecificityNucleotide activated sugars
Glycan Information
Glycan transferredMonosaccharide (GlcNAc) 
Method of Glycan IndentificationLC-MS
Experimental_strategiesIn vivo and In vitro 
Acceptor Subtrate Information
Acceptor Substrate name Pls (Plasmin sensitive surface protein)
ProGPdb ID ProGP550
Acceptor Substrate name ClfASD5
Litrature
Year Of Validation2013 
Reference Hazenbos, W.L., Kajihara, K.K., Vandlen, R., Morisaki, J.H., Lehar, S.M., Kwakkenbos, M.J., Beaumont, T., Bakker, A.Q., Phung, Q., Swem, L.R. and Ramakrishnan, S., 2013. Novel staphylococcal glycosyltransferases SdgA and SdgB mediate immunogenicity and protection of virulence-associated cell wall proteins. PLoS pathogens, 9(10), p.e1003653.

Corresponding AuthorDept. of Infectious Diseases, Genentech, Inc., San Francisco, California, United States of America
Reference Thomer, L., Becker, S., Emolo, C., Quach, A., Kim, H.K., Rauch, S., Anderson, M., LeBlanc, J.F., Schneewind, O., Faull, K.F. and Missiakas, D., 2014. N-acetylglucosaminylation of serine-aspartate repeat proteins promotes Staphylococcus aureus bloodstream infection. Journal of Biological Chemistry, 289(6), pp.3478-3486.

Corresponding AuthorDepartment of Microbiology, The University of Chicago, Chicago, Illinois 60637
Reference Kim, D.G., Baek, I., Lee, Y., Kim, H., Kim, J.Y., Bang, G., Kim, S., Yoon, H.J., Han, B.W., Suh, S.W. and Kim, H.S., 2021. Structural basis for SdgB-and SdgA-mediated glycosylation of staphylococcal adhesive proteins. Acta Crystallographica Section D: Structural Biology, 77(11).

Corresponding AuthorResearch Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
Department of Chemistry, College of Natural Sciences, Seoul National University, Seoul 08826, Republic of Korea
Research Institute, National Cancer Center, Goyang, Gyeonggi 10408, Republic of Korea