Predicted O-linked N-acetylglucosamine transferase, SPINDLY family [Posttranslational modification, protein turnover, chaperones].

Tetratricopeptide repeat. The Tetratricopeptide repeat (TPR) typically contains 34 amino acids and is found in a variety of organisms including bacteria, cyanobacteria, yeast, fungi, plants, and humans. It is present in a variety of proteins including those involved in chaperone, cell-cycle, transcription, and protein transport complexes. The number of TPR motifs varies among proteins. Those containing 5-6 tandem repeats generate a right-handed helical structure with an amphipathic channel that is thought to accommodate an alpha-helix of a target protein. It has been proposed that TPR proteins preferentially interact with WD-40 repeat proteins, but in many instances several TPR-proteins seem to aggregate to multi-protein complexes.

Tetratricopeptide repeat. The Tetratricopeptide repeat (TPR) typically contains 34 amino acids and is found in a variety of organisms including bacteria, cyanobacteria, yeast, fungi, plants, and humans. It is present in a variety of proteins including those involved in chaperone, cell-cycle, transcription, and protein transport complexes. The number of TPR motifs varies among proteins. Those containing 5-6 tandem repeats generate a right-handed helical structure with an amphipathic channel that is thought to accommodate an alpha-helix of a target protein. It has been proposed that TPR proteins preferentially interact with WD-40 repeat proteins, but in many instances several TPR-proteins seem to aggregate to multi-protein complexes.

Glycosyl transferase family 41. This family of glycosyltransferases includes O-linked beta-N-acetylglucosamine (O-GlcNAc) transferase, an enzyme which catalyzes the addition of O-GlcNAc to serine and threonine residues. In addition to its function as an O-GlcNAc transferase, human OGT also appears to proteolytically cleave the epigenetic cell-cycle regulator HCF-1.

putative PEP-CTERM system TPR-repeat lipoprotein. This protein family occurs in strictly within a subset of Gram-negative bacterial species with the proposed PEP-CTERM/exosortase system, analogous to the LPXTG/sortase system common in Gram-positive bacteria. This protein occurs in a species if and only if a transmembrane histidine kinase (TIGR02916) and a DNA-binding response regulator (TIGR02915) also occur. The present of tetratricopeptide repeats (TPR) suggests protein-protein interaction, possibly for the regulation of PEP-CTERM protein expression, since many PEP-CTERM proteins in these genomes are preceded by a proposed DNA binding site for the response regulator.

Thermobaculumterrenum O-GlcNAc transferase mutant - K341M [Thermobaculum terrenum],5DJS_B Thermobaculum terrenum O-GlcNAc transferase mutant - K341M [Thermobaculum terrenum],5DJS_C Thermobaculum terrenum O-GlcNAc transferase mutant - K341M [Thermobaculum terrenum],5DJS_D Thermobaculum terrenum O-GlcNAc transferase mutant - K341M [Thermobaculum terrenum]

Structureand topological arrangement of an O-GlcNAc transferase homolog: insight into molecular control of intracellular glycosylation [Xanthomonas campestris pv. campestris str. 8004],2VSN_B Structure and topological arrangement of an O-GlcNAc transferase homolog: insight into molecular control of intracellular glycosylation [Xanthomonas campestris pv. campestris str. 8004]

Xanthomonascampestris putative OGT (XCC0866), complex with UDP- GlcNAc phosphonate analogue [Xanthomonas campestris pv. campestris],2JLB_B Xanthomonas campestris putative OGT (XCC0866), complex with UDP- GlcNAc phosphonate analogue [Xanthomonas campestris pv. campestris],2VSY_A Xanthomonas campestris putative OGT (XCC0866), apostructure [Xanthomonas campestris pv. campestris str. ATCC 33913],2VSY_B Xanthomonas campestris putative OGT (XCC0866), apostructure [Xanthomonas campestris pv. campestris str. ATCC 33913],2XGM_A Substrate and product analogues as human O-GlcNAc transferase inhibitors. [Xanthomonas campestris],2XGM_B Substrate and product analogues as human O-GlcNAc transferase inhibitors. [Xanthomonas campestris],2XGO_A XcOGT in complex with UDP-S-GlcNAc [Xanthomonas campestris],2XGO_B XcOGT in complex with UDP-S-GlcNAc [Xanthomonas campestris],2XGS_A XcOGT in complex with C-UDP [Xanthomonas campestris],2XGS_B XcOGT in complex with C-UDP [Xanthomonas campestris]

Crystalstructure of the O-GlcNAc transferase Asn648Tyr mutation [Homo sapiens]

Thehuman O-GlcNAc transferase in complex with a bisubstrate inhibitor [Homo sapiens]

Probable UDP-N-acetylglucosamine--peptide N-acetylglucosaminyltransferase SPINDLY OS=Petunia hybrida OX=4102 GN=SPY PE=2 SV=1

Probable UDP-N-acetylglucosamine--peptide N-acetylglucosaminyltransferase SPINDLY OS=Solanum lycopersicum OX=4081 GN=SPY PE=2 SV=1

Probable UDP-N-acetylglucosamine--peptide N-acetylglucosaminyltransferase SPINDLY OS=Oryza sativa subsp. japonica OX=39947 GN=SPY PE=2 SV=1

Probable UDP-N-acetylglucosamine--peptide N-acetylglucosaminyltransferase SPINDLY OS=Arabidopsis thaliana OX=3702 GN=SPY PE=1 SV=1

Probable UDP-N-acetylglucosamine--peptide N-acetylglucosaminyltransferase SPINDLY OS=Hordeum vulgare OX=4513 GN=SPY PE=2 SV=1