phosphatidyl-myo-inositol mannosyltransferase. This family is most closely related to the GT4 family of glycosyltransferases and named after PimA in Propionibacterium freudenreichii, which is involved in the biosynthesis of phosphatidyl-myo-inositol mannosides (PIM) which are early precursors in the biosynthesis of lipomannans (LM) and lipoarabinomannans (LAM), and catalyzes the addition of a mannosyl residue from GDP-D-mannose (GDP-Man) to the position 2 of the carrier lipid phosphatidyl-myo-inositol (PI) to generate a phosphatidyl-myo-inositol bearing an alpha-1,2-linked mannose residue (PIM1). Glycosyltransferases catalyze the transfer of sugar moieties from activated donor molecules to specific acceptor molecules, forming glycosidic bonds. The acceptor molecule can be a lipid, a protein, a heterocyclic compound, or another carbohydrate residue. This group of glycosyltransferases is most closely related to the previously defined glycosyltransferase family 1 (GT1). The members of this family may transfer UDP, ADP, GDP, or CMP linked sugars. The diverse enzymatic activities among members of this family reflect a wide range of biological functions. The protein structure available for this family has the GTB topology, one of the two protein topologies observed for nucleotide-sugar-dependent glycosyltransferases. GTB proteins have distinct N- and C- terminal domains each containing a typical Rossmann fold. The two domains have high structural homology despite minimal sequence homology. The large cleft that separates the two domains includes the catalytic center and permits a high degree of flexibility. The members of this family are found mainly in certain bacteria and archaea.

capsular polysaccharide biosynthesis glycosyltransferase CapM and similar proteins. This family is most closely related to the GT4 family of glycosyltransferases. CapM in Staphylococcus aureus is required for the synthesis of type 1 capsular polysaccharides.

Glycosyltransferase involved in cell wall bisynthesis [Cell wall/membrane/envelope biogenesis].

Bordetella parapertussis WlbH and similar proteins. This family is most closely related to the GT4 family of glycosyltransferases. Staphylococcus aureus CapJ may be involved in capsule polysaccharide biosynthesis. WlbH in Bordetella parapertussis has been shown to be required for the biosynthesis of a trisaccharide that, when attached to the B. pertussis lipopolysaccharide (LPS) core (band B), generates band A LPS.

Glycosyl transferases group 1.

Structureof Mycobacterium smegmatis alpha-maltose-1-phosphate synthase GlgM [Mycolicibacterium smegmatis MC2 155],6TVP_B Structure of Mycobacterium smegmatis alpha-maltose-1-phosphate synthase GlgM [Mycolicibacterium smegmatis MC2 155]

Structureof a glycosyltransferase [Campylobacter jejuni],6EJI_B Structure of a glycosyltransferase [Campylobacter jejuni],6EJK_A Structure of a glycosyltransferase [Campylobacter jejuni],6EJK_B Structure of a glycosyltransferase [Campylobacter jejuni]

Structureof a glycosyltransferase / state 2 [Campylobacter jejuni],6EJJ_B Structure of a glycosyltransferase / state 2 [Campylobacter jejuni]

ChainA, Glycosyl transferase, group 1 family protein [Staphylococcus aureus subsp. aureus USA300],7EC1_B Chain B, Glycosyl transferase, group 1 family protein [Staphylococcus aureus subsp. aureus USA300],7EC4_A Chain A, Glycosyl transferase, group 1 family protein [Staphylococcus aureus subsp. aureus USA300],7EC4_C Chain C, Glycosyl transferase, group 1 family protein [Staphylococcus aureus subsp. aureus USA300],7EC6_A Chain A, Glycosyl transferase, group 1 family protein [Staphylococcus aureus subsp. aureus USA300],7EC6_C Chain C, Glycosyl transferase, group 1 family protein [Staphylococcus aureus subsp. aureus USA300],7VFK_A Chain A, Glycosyl transferase, group 1 family protein [Staphylococcus aureus subsp. aureus USA300],7VFK_B Chain B, Glycosyl transferase, group 1 family protein [Staphylococcus aureus subsp. aureus USA300],7VFM_A Chain A, Glycosyl transferase, group 1 family protein [Staphylococcus aureus subsp. aureus USA300],7VFM_C Chain C, Glycosyl transferase, group 1 family protein [Staphylococcus aureus subsp. aureus USA300],7VFN_A Chain A, Glycosyl transferase, group 1 family protein [Staphylococcus aureus subsp. aureus USA300],7VFN_C Chain C, Glycosyl transferase, group 1 family protein [Staphylococcus aureus subsp. aureus USA300]

ChainA, Glycosyl transferase, group 1 family protein [Staphylococcus aureus subsp. aureus USA300],7EC3_C Chain C, Glycosyl transferase, group 1 family protein [Staphylococcus aureus subsp. aureus USA300],7VFL_A Chain A, Glycosyl transferase, group 1 family protein [Staphylococcus aureus subsp. aureus USA300],7VFL_C Chain C, Glycosyl transferase, group 1 family protein [Staphylococcus aureus subsp. aureus USA300]

Putative teichuronic acid biosynthesis glycosyltransferase TuaC OS=Bacillus subtilis (strain 168) OX=224308 GN=tuaC PE=2 SV=1

Uncharacterized glycosyltransferase MJ1059 OS=Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440) OX=243232 GN=MJ1059 PE=3 SV=1

Alpha-maltose-1-phosphate synthase OS=Mycolicibacterium smegmatis (strain ATCC 700084 / mc(2)155) OX=246196 GN=glgM PE=1 SV=1

Uncharacterized glycosyltransferase MJ1607 OS=Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440) OX=243232 GN=MJ1607 PE=3 SV=1

Glycogen synthase OS=Mycobacterium tuberculosis (strain CDC 1551 / Oshkosh) OX=83331 GN=MT3116 PE=3 SV=1