Subfamily of Glycosyltransferase Family GT2 of unknown function. GT-2 includes diverse families of glycosyltransferases with a common GT-A type structural fold, which has two tightly associated beta/alpha/beta domains that tend to form a continuous central sheet of at least eight beta-strands. These are enzymes that catalyze the transfer of sugar moieties from activated donor molecules to specific acceptor molecules, forming glycosidic bonds. Glycosyltransferases have been classified into more than 90 distinct sequence based families.

Glycosyltransferase, GT2 family [Carbohydrate transport and metabolism].

Methyltransferase domain. Members of this family are SAM dependent methyltransferases.

Methyltransferase domain. This family appears to be a methyltransferase domain.

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.

Crystalstructure of methyltransferase from Bacillus Thuringiensis [Bacillus thuringiensis str. Al Hakam]

Crystalstructure of PH0226 protein from Pyrococcus horikoshii OT3 [Pyrococcus horikoshii],1VE3_B Crystal structure of PH0226 protein from Pyrococcus horikoshii OT3 [Pyrococcus horikoshii]

CrystalStructure of the SAM-dependent methyltransferase from Pyrococcus horikoshii OT3 [Pyrococcus horikoshii OT3],1WZN_B Crystal Structure of the SAM-dependent methyltransferase from Pyrococcus horikoshii OT3 [Pyrococcus horikoshii OT3],1WZN_C Crystal Structure of the SAM-dependent methyltransferase from Pyrococcus horikoshii OT3 [Pyrococcus horikoshii OT3]

LahSb- C-terminal methyltransferase involved in RiPP biosynthesis [Lachnospiraceae bacterium C6A11]

CgTstructure in hexamer [Streptococcus parasanguinis FW213],5HEA_B CgT structure in hexamer [Streptococcus parasanguinis FW213],5HEA_C CgT structure in hexamer [Streptococcus parasanguinis FW213],5HEC_A CgT structure in dimer [Streptococcus parasanguinis FW213],5HEC_B CgT structure in dimer [Streptococcus parasanguinis FW213]

Probable S-adenosylmethionine-dependent methyltransferase MSMEG_2350/MSMEI_2290 OS=Mycolicibacterium smegmatis (strain ATCC 700084 / mc(2)155) OX=246196 GN=MSMEG_2350 PE=1 SV=1

Probable S-adenosylmethionine-dependent methyltransferase MT3114 OS=Mycobacterium tuberculosis (strain CDC 1551 / Oshkosh) OX=83331 GN=MT3114 PE=3 SV=1

Probable S-adenosylmethionine-dependent methyltransferase Rv3030 OS=Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) OX=83332 GN=Rv3030 PE=1 SV=1

Uncharacterized protein y4gI OS=Sinorhizobium fredii (strain NBRC 101917 / NGR234) OX=394 GN=NGR_a03550 PE=4 SV=1

Uncharacterized 44.6 kDa protein in cps region OS=Klebsiella pneumoniae OX=573 PE=4 SV=1