ID P27808; PN Alpha-1,3-mannosyl-glycoprotein 2-beta-N-acetylglucosaminyltransferase; GN Mgat1; OS 10090; SL Nucleus Position: SL-0198; SL Comments: Golgi apparatus membrane {ECO:0000250|UniProtKB:P26572}; Single-pass type II membrane protein {ECO:0000250|UniProtKB:P26572}. Cytoplasm, perinuclear region {ECO:0000250|UniProtKB:P26572}. Note=Co-localizes with BRI3 at the perinuclear region. {ECO:0000250|UniProtKB:P26572}. DR UNIPROT: P27808; DR Pfam: PF03071; DE Function: Initiates complex N-linked carbohydrate formation. Essential for the conversion of high-mannose to hybrid and complex N-glycans. {ECO:0000269|PubMed:1421759}. DE Reference Proteome: Yes; GO GO:0005794; GO GO:0000139; GO GO:0016021; GO GO:0048471; GO GO:0008375; GO GO:0003827; GO GO:0030145; GO GO:0001701; GO GO:0006486; GO GO:0006487; GO GO:0018279; GO GO:0006049; TP Membrane Topology: Transmembrane; Source: UniProt - Sequence Analysis {ECO:0000255}; SQ MLKKQTAGLVLWGAIIFVGWNALLLLFFWTRPAPGRLPSDSALGDDPASLTREVIHLAEDAEAELERQRGLLQQIKEHYA SQ LWRQRWRVPTVAPPAWPRVPVTPSPVQIPILVIACDRSTVRRCLDKLLHYRPSAERFPIIVSQDCGHEETAQVIASYGTA SQ VTHIRQPDLSNIAVQPDHRKFQGYYKIARHYRWALGQIFNKFKFPAAVVVEDDLEVAPDFFEYFQATYPLLRTDPSLWCV SQ SAWNDNGKEQMVDSSKPELLYRTDFFPGLGWLLLADLWAELEPKWPKAFWDDWMRRPEQRKGRACIRPEISRTMTFGRKG SQ VSHGQFFDQHLKFIKLNQQFVPFTQLDLSYLQQEAYDRDFLAQVYGAPQLQVEKVRTNDQKELGEVRVQYTSRDSFKAFA SQ KALGVMDDLKSGVPRAGYRGIVTFQFRGRRVHLAPPQTWTGYDPSWN //