ID EOGT_XENLA Reviewed; 525 AA. AC Q6GQ23; DT 11-SEP-2007, integrated into UniProtKB/Swiss-Prot. DT 19-JUL-2004, sequence version 1. DT 27-MAR-2024, entry version 66. DE RecName: Full=EGF domain-specific O-linked N-acetylglucosamine transferase; DE EC=2.4.1.255 {ECO:0000250|UniProtKB:Q8BYW9}; DE AltName: Full=Extracellular O-linked N-acetylglucosamine transferase; DE Flags: Precursor; GN Name=eogt; Synonyms=aer61; OS Xenopus laevis (African clawed frog). OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Amphibia; OC Batrachia; Anura; Pipoidea; Pipidae; Xenopodinae; Xenopus; Xenopus. OX NCBI_TaxID=8355; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA]. RC TISSUE=Gastrula; RG NIH - Xenopus Gene Collection (XGC) project; RL Submitted (JUN-2004) to the EMBL/GenBank/DDBJ databases. CC -!- FUNCTION: Catalyzes the transfer of a single N-acetylglucosamine from CC UDP-GlcNAc to a serine or threonine residue in extracellular proteins CC resulting in their modification with a beta-linked N-acetylglucosamine CC (O-GlcNAc). Specifically glycosylates the Thr residue located between CC the fifth and sixth conserved cysteines of folded EGF-like domains. CC {ECO:0000250|UniProtKB:Q8BYW9}. CC -!- CATALYTIC ACTIVITY: CC Reaction=L-seryl-[protein] + UDP-N-acetyl-alpha-D-glucosamine = 3-O-(N- CC acetyl-beta-D-glucosaminyl)-L-seryl-[protein] + H(+) + UDP; CC Xref=Rhea:RHEA:48904, Rhea:RHEA-COMP:9863, Rhea:RHEA-COMP:12251, CC ChEBI:CHEBI:15378, ChEBI:CHEBI:29999, ChEBI:CHEBI:57705, CC ChEBI:CHEBI:58223, ChEBI:CHEBI:90838; EC=2.4.1.255; CC Evidence={ECO:0000250|UniProtKB:Q8BYW9}; CC -!- CATALYTIC ACTIVITY: CC Reaction=L-threonyl-[protein] + UDP-N-acetyl-alpha-D-glucosamine = 3-O- CC (N-acetyl-beta-D-glucosaminyl)-L-threonyl-[protein] + H(+) + UDP; CC Xref=Rhea:RHEA:48908, Rhea:RHEA-COMP:11060, Rhea:RHEA-COMP:12252, CC ChEBI:CHEBI:15378, ChEBI:CHEBI:30013, ChEBI:CHEBI:57705, CC ChEBI:CHEBI:58223, ChEBI:CHEBI:90840; EC=2.4.1.255; CC Evidence={ECO:0000250|UniProtKB:Q8BYW9}; CC -!- SUBCELLULAR LOCATION: Endoplasmic reticulum lumen {ECO:0000255|PROSITE- CC ProRule:PRU10138}. CC -!- SIMILARITY: Belongs to the glycosyltransferase 61 family. CC {ECO:0000305}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; BC072925; AAH72925.1; -; mRNA. DR RefSeq; NP_001085557.1; NM_001092088.1. DR AlphaFoldDB; Q6GQ23; -. DR SMR; Q6GQ23; -. DR CAZy; GT61; Glycosyltransferase Family 61. DR GlyCosmos; Q6GQ23; 1 site, No reported glycans. DR GeneID; 443983; -. DR KEGG; xla:443983; -. DR AGR; Xenbase:XB-GENE-994622; -. DR CTD; 443983; -. DR Xenbase; XB-GENE-994622; eogt.L. DR OrthoDB; 316918at2759; -. DR Proteomes; UP000186698; Chromosome 4L. DR Bgee; 443983; Expressed in egg cell and 19 other cell types or tissues. DR GO; GO:0005788; C:endoplasmic reticulum lumen; IEA:UniProtKB-SubCell. DR GO; GO:0097363; F:protein O-acetylglucosaminyltransferase activity; ISS:UniProtKB. DR GO; GO:0006493; P:protein O-linked glycosylation; ISS:UniProtKB. DR InterPro; IPR049625; Glyco_transf_61_cat. DR InterPro; IPR007657; Glycosyltransferase_61. DR PANTHER; PTHR20961:SF124; EGF DOMAIN-SPECIFIC O-LINKED N-ACETYLGLUCOSAMINE TRANSFERASE; 1. DR PANTHER; PTHR20961; GLYCOSYLTRANSFERASE; 1. DR Pfam; PF04577; Glyco_transf_61; 1. DR PROSITE; PS00014; ER_TARGET; 1. PE 2: Evidence at transcript level; KW Endoplasmic reticulum; Glycoprotein; Glycosyltransferase; KW Reference proteome; Signal; Transferase. FT SIGNAL 1..24 FT /evidence="ECO:0000255" FT CHAIN 25..525 FT /note="EGF domain-specific O-linked N-acetylglucosamine FT transferase" FT /id="PRO_0000301976" FT MOTIF 293..295 FT /note="Required for optimal activity" FT /evidence="ECO:0000250" FT MOTIF 522..525 FT /note="Prevents secretion from ER" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU10138" FT CARBOHYD 352 FT /note="N-linked (GlcNAc...) asparagine" FT /evidence="ECO:0000255" SQ SEQUENCE 525 AA; 61182 MW; 71165EA2755AA496 CRC64; MVPLRLVLLL HIIHFSCENE VGSAANNGSA QLYNYRKIHL PDDHIPYYLH SNRHVAALCL QDLHCPYKQH LQNLNSCWGY EKTCAEGHRF GYPVCDQVDF GWAKTIEESQ QVFWRQADFG YVKERLAETQ ILCRPQEQGD SMLACSQNLQ HCRATNLYLD LRHPRRGQEN FKEDFLQEGE IGGHCDLDKQ ALLSQGAWKS PLQSWFAELQ SYSSFKFKPI EDAHCDIIIE KPTYFMKLDA GVNMYHHFCD FVNLYITQHV NNSFSTDINI VMWTTSVYGY GDLFSDTWKA FTDYEITHLK AYDNKRVCFK DAVFALLPRM RYGLFYNTPL ISHCHGSGLF RAFSQHVLHR LNITQHPATE AKIRVTILVR STEFRKILNL DELVQALEAV PTFQVKVVDY KYRVLGFLEQ LSITHNSDIF IGMHGAGLTH LLFLPDWAVV FELYNCEDAR CYLDLARLRG IQYMTWEKGD KVFPQDKGHH PNLGEHPKFT NYAFDVEEFL RLVQQGATYV SRHSKWPLRR TRDEL //