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MGT5B_HUMAN
ID   MGT5B_HUMAN             Reviewed;         792 AA.
AC   Q3V5L5; Q6P3S8; Q6P6B3; Q766X5; Q76D04; Q96LS2;
DT   29-MAY-2007, integrated into UniProtKB/Swiss-Prot.
DT   29-MAY-2007, sequence version 2.
DT   03-AUG-2022, entry version 134.
DE   RecName: Full=Alpha-1,6-mannosylglycoprotein 6-beta-N-acetylglucosaminyltransferase B;
DE            EC=2.4.1.- {ECO:0000269|PubMed:19846580};
DE            EC=2.4.1.155 {ECO:0000269|PubMed:12941944, ECO:0000269|PubMed:14623122, ECO:0000269|PubMed:19846580};
DE   AltName: Full=Alpha-mannoside beta-1,6-N-acetylglucosaminyltransferase B;
DE   AltName: Full=GlcNAc-T Vb {ECO:0000303|PubMed:19846580};
DE            Short=GNT-Vb {ECO:0000303|PubMed:16857188, ECO:0000303|PubMed:19846580};
DE            Short=hGnTVb;
DE   AltName: Full=Mannoside acetylglucosaminyltransferase 5B;
DE   AltName: Full=N-acetylglucosaminyl-transferase Vb;
DE   AltName: Full=N-acetylglucosaminyltransferase IX {ECO:0000303|PubMed:14617637};
DE            Short=GNT-IX {ECO:0000303|PubMed:19846580};
GN   Name=MGAT5B; Synonyms=KIAA2008;
OS   Homo sapiens (Human).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae;
OC   Homo.
OX   NCBI_TaxID=9606;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 2), FUNCTION, CATALYTIC ACTIVITY,
RP   COFACTOR, PATHWAY, AND TISSUE SPECIFICITY.
RX   PubMed=14623122; DOI=10.1016/s0014-5793(03)01234-1;
RA   Kaneko M., Alvarez-Manilla G., Kamar M., Lee I., Lee J.-K., Troupe K.,
RA   Zhang W., Osawa M., Pierce M.;
RT   "A novel beta(1,6)-N-acetylglucosaminyltransferase V (GnT-VB).";
RL   FEBS Lett. 554:515-519(2003).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1), CATALYTIC ACTIVITY, FUNCTION,
RP   PATHWAY, AND TISSUE SPECIFICITY.
RC   TISSUE=Brain;
RX   PubMed=12941944; DOI=10.1074/jbc.m308255200;
RA   Inamori K., Endo T., Ide Y., Fujii S., Gu J., Honke K., Taniguchi N.;
RT   "Molecular cloning and characterization of human GnT-IX, a novel beta1,6-N-
RT   acetylglucosaminyltransferase that is specifically expressed in the
RT   brain.";
RL   J. Biol. Chem. 278:43102-43109(2003).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1).
RC   TISSUE=Brain;
RA   Nagase T., Kikuno R., Ohara O.;
RT   "The nucleotide sequence of a long cDNA clone isolated from human.";
RL   Submitted (NOV-2002) to the EMBL/GenBank/DDBJ databases.
RN   [4]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=16625196; DOI=10.1038/nature04689;
RA   Zody M.C., Garber M., Adams D.J., Sharpe T., Harrow J., Lupski J.R.,
RA   Nicholson C., Searle S.M., Wilming L., Young S.K., Abouelleil A.,
RA   Allen N.R., Bi W., Bloom T., Borowsky M.L., Bugalter B.E., Butler J.,
RA   Chang J.L., Chen C.-K., Cook A., Corum B., Cuomo C.A., de Jong P.J.,
RA   DeCaprio D., Dewar K., FitzGerald M., Gilbert J., Gibson R., Gnerre S.,
RA   Goldstein S., Grafham D.V., Grocock R., Hafez N., Hagopian D.S., Hart E.,
RA   Norman C.H., Humphray S., Jaffe D.B., Jones M., Kamal M., Khodiyar V.K.,
RA   LaButti K., Laird G., Lehoczky J., Liu X., Lokyitsang T., Loveland J.,
RA   Lui A., Macdonald P., Major J.E., Matthews L., Mauceli E., McCarroll S.A.,
RA   Mihalev A.H., Mudge J., Nguyen C., Nicol R., O'Leary S.B., Osoegawa K.,
RA   Schwartz D.C., Shaw-Smith C., Stankiewicz P., Steward C., Swarbreck D.,
RA   Venkataraman V., Whittaker C.A., Yang X., Zimmer A.R., Bradley A.,
RA   Hubbard T., Birren B.W., Rogers J., Lander E.S., Nusbaum C.;
RT   "DNA sequence of human chromosome 17 and analysis of rearrangement in the
RT   human lineage.";
RL   Nature 440:1045-1049(2006).
RN   [5]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 1-341 (ISOFORMS 1/3), AND
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 616-792.
RC   TISSUE=PNS, and Skin;
RX   PubMed=15489334; DOI=10.1101/gr.2596504;
RG   The MGC Project Team;
RT   "The status, quality, and expansion of the NIH full-length cDNA project:
RT   the Mammalian Gene Collection (MGC).";
RL   Genome Res. 14:2121-2127(2004).
RN   [6]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 100-306.
RC   TISSUE=Brain;
RX   PubMed=14702039; DOI=10.1038/ng1285;
RA   Ota T., Suzuki Y., Nishikawa T., Otsuki T., Sugiyama T., Irie R.,
RA   Wakamatsu A., Hayashi K., Sato H., Nagai K., Kimura K., Makita H.,
RA   Sekine M., Obayashi M., Nishi T., Shibahara T., Tanaka T., Ishii S.,
RA   Yamamoto J., Saito K., Kawai Y., Isono Y., Nakamura Y., Nagahari K.,
RA   Murakami K., Yasuda T., Iwayanagi T., Wagatsuma M., Shiratori A., Sudo H.,
RA   Hosoiri T., Kaku Y., Kodaira H., Kondo H., Sugawara M., Takahashi M.,
RA   Kanda K., Yokoi T., Furuya T., Kikkawa E., Omura Y., Abe K., Kamihara K.,
RA   Katsuta N., Sato K., Tanikawa M., Yamazaki M., Ninomiya K., Ishibashi T.,
RA   Yamashita H., Murakawa K., Fujimori K., Tanai H., Kimata M., Watanabe M.,
RA   Hiraoka S., Chiba Y., Ishida S., Ono Y., Takiguchi S., Watanabe S.,
RA   Yosida M., Hotuta T., Kusano J., Kanehori K., Takahashi-Fujii A., Hara H.,
RA   Tanase T.-O., Nomura Y., Togiya S., Komai F., Hara R., Takeuchi K.,
RA   Arita M., Imose N., Musashino K., Yuuki H., Oshima A., Sasaki N.,
RA   Aotsuka S., Yoshikawa Y., Matsunawa H., Ichihara T., Shiohata N., Sano S.,
RA   Moriya S., Momiyama H., Satoh N., Takami S., Terashima Y., Suzuki O.,
RA   Nakagawa S., Senoh A., Mizoguchi H., Goto Y., Shimizu F., Wakebe H.,
RA   Hishigaki H., Watanabe T., Sugiyama A., Takemoto M., Kawakami B.,
RA   Yamazaki M., Watanabe K., Kumagai A., Itakura S., Fukuzumi Y., Fujimori Y.,
RA   Komiyama M., Tashiro H., Tanigami A., Fujiwara T., Ono T., Yamada K.,
RA   Fujii Y., Ozaki K., Hirao M., Ohmori Y., Kawabata A., Hikiji T.,
RA   Kobatake N., Inagaki H., Ikema Y., Okamoto S., Okitani R., Kawakami T.,
RA   Noguchi S., Itoh T., Shigeta K., Senba T., Matsumura K., Nakajima Y.,
RA   Mizuno T., Morinaga M., Sasaki M., Togashi T., Oyama M., Hata H.,
RA   Watanabe M., Komatsu T., Mizushima-Sugano J., Satoh T., Shirai Y.,
RA   Takahashi Y., Nakagawa K., Okumura K., Nagase T., Nomura N., Kikuchi H.,
RA   Masuho Y., Yamashita R., Nakai K., Yada T., Nakamura Y., Ohara O.,
RA   Isogai T., Sugano S.;
RT   "Complete sequencing and characterization of 21,243 full-length human
RT   cDNAs.";
RL   Nat. Genet. 36:40-45(2004).
RN   [7]
RP   FUNCTION, PATHWAY, AND CATALYTIC ACTIVITY.
RX   PubMed=14617637; DOI=10.1074/jbc.c300480200;
RA   Inamori K., Endo T., Gu J., Matsuo I., Ito Y., Fujii S., Iwasaki H.,
RA   Narimatsu H., Miyoshi E., Honke K., Taniguchi N.;
RT   "N-Acetylglucosaminyltransferase IX acts on the GlcNAc beta 1,2-Man alpha
RT   1-Ser/Thr moiety, forming a 2,6-branched structure in brain O-mannosyl
RT   glycan.";
RL   J. Biol. Chem. 279:2337-2340(2004).
RN   [8]
RP   FUNCTION.
RX   PubMed=16857188; DOI=10.1016/j.yexcr.2006.05.022;
RA   Abbott K.L., Troupe K., Lee I., Pierce M.;
RT   "Integrin-dependent neuroblastoma cell adhesion and migration on laminin is
RT   regulated by expression levels of two enzymes in the O-mannosyl-linked
RT   glycosylation pathway, PomGnT1 and GnT-Vb.";
RL   Exp. Cell Res. 312:2837-2850(2006).
RN   [9]
RP   FUNCTION.
RX   PubMed=16606368; DOI=10.1111/j.1471-4159.2006.03785.x;
RA   Lee I., Guo H.-B., Kamar M., Abbott K., Troupe K., Lee J.-K.,
RA   Alvarez-Manilla G., Pierce M.;
RT   "N-acetylglucosaminyltransferase VB expression enhances beta1 integrin-
RT   dependent PC12 neurite outgrowth on laminin and collagen.";
RL   J. Neurochem. 97:947-956(2006).
RN   [10]
RP   FUNCTION, CATALYTIC ACTIVITY, COFACTOR, PATHWAY, AND BIOPHYSICOCHEMICAL
RP   PROPERTIES.
RX   PubMed=19846580; DOI=10.1093/glycob/cwp158;
RA   Alvarez-Manilla G., Troupe K., Fleming M., Martinez-Uribe E., Pierce M.;
RT   "Comparison of the substrate specificities and catalytic properties of the
RT   sister N-acetylglucosaminyltransferases, GnT-V and GnT-Vb (IX).";
RL   Glycobiology 20:166-174(2010).
CC   -!- FUNCTION: Glycosyltransferase that acts on alpha-linked mannose of N-
CC       glycans and O-mannosyl glycans. Catalyzes the transfer of N-
CC       acetylglucosamine (GlcNAc) to the beta 1-6 linkage of the mannose
CC       residue of GlcNAc-beta1,2-Man-alpha on both the alpha1,3- and alpha1,6-
CC       linked mannose arms in the core structure of N-glycan. Also acts on the
CC       GlcNAc-beta1,2-Man-alpha1-Ser/Thr moiety, forming a 2,6-branched
CC       structure in brain O-mannosyl glycan. Plays an active role in
CC       modulating integrin and laminin-dependent adhesion and migration of
CC       neuronal cells via its activity in the O-mannosyl glycan pathway.
CC       {ECO:0000269|PubMed:12941944, ECO:0000269|PubMed:14617637,
CC       ECO:0000269|PubMed:14623122, ECO:0000269|PubMed:16606368,
CC       ECO:0000269|PubMed:16857188, ECO:0000269|PubMed:19846580}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=N(4)-{beta-D-GlcNAc-(1->2)-[beta-D-GlcNAc-(1->4)]-alpha-D-Man-
CC         (1->3)-[beta-D-GlcNAc-(1->2)-alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-
CC         beta-D-GlcNAcl-(1->4)-beta-D-GlcNAc}-L-asparaginyl-[protein] + UDP-N-
CC         acetyl-alpha-D-glucosamine = H(+) + N(4)-{beta-D-GlcNAc-(1->2)-[beta-
CC         D-GlcNAc-(1->4)]-alpha-D-Man-(1->3)-[beta-D-GlcNAc-(1->2)-[beta-D-
CC         GlcNAc-(1->6)]-alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAcl-
CC         (1->4)-beta-D-GlcNAc}-L-asparaginyl-[protein] + UDP;
CC         Xref=Rhea:RHEA:16921, Rhea:RHEA-COMP:14374, Rhea:RHEA-COMP:14377,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:57705, ChEBI:CHEBI:58223,
CC         ChEBI:CHEBI:139507, ChEBI:CHEBI:139510; EC=2.4.1.155;
CC         Evidence={ECO:0000269|PubMed:12941944, ECO:0000269|PubMed:14623122,
CC         ECO:0000269|PubMed:19846580};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=3-O-[N-acetyl-beta-D-glucosaminyl-(1->2)-alpha-D-mannosyl]-L-
CC         seryl-[protein] + UDP-N-acetyl-alpha-D-glucosamine = H(+) + O(3)-{N-
CC         acetyl-beta-D-glucosaminyl-(1->2)-[N-acetyl-beta-D-glucosaminyl-
CC         (1->6)]-alpha-D-mannosyl}-L-seryl-[protein] + UDP;
CC         Xref=Rhea:RHEA:56252, Rhea:RHEA-COMP:14438, Rhea:RHEA-COMP:14440,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:57705, ChEBI:CHEBI:58223,
CC         ChEBI:CHEBI:140080, ChEBI:CHEBI:140085;
CC         Evidence={ECO:0000269|PubMed:12941944, ECO:0000269|PubMed:14617637,
CC         ECO:0000269|PubMed:14623122};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=3-O-[N-acetyl-beta-D-glucosaminyl-(1->2)-alpha-D-mannosyl]-L-
CC         threonyl-[protein] + UDP-N-acetyl-alpha-D-glucosamine = H(+) +
CC         O(3)-{N-acetyl-beta-D-glucosaminyl-(1->2)-[N-acetyl-beta-D-
CC         glucosaminyl-(1->6)]-alpha-D-mannosyl}-L-threonyl-[protein] + UDP;
CC         Xref=Rhea:RHEA:56256, Rhea:RHEA-COMP:14439, Rhea:RHEA-COMP:14441,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:57705, ChEBI:CHEBI:58223,
CC         ChEBI:CHEBI:140083, ChEBI:CHEBI:140087;
CC         Evidence={ECO:0000269|PubMed:12941944, ECO:0000269|PubMed:14617637,
CC         ECO:0000269|PubMed:14623122, ECO:0000269|PubMed:19846580};
CC   -!- COFACTOR:
CC       Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC         Evidence={ECO:0000269|PubMed:14623122, ECO:0000269|PubMed:19846580};
CC   -!- BIOPHYSICOCHEMICAL PROPERTIES:
CC       Kinetic parameters:
CC         KM=0.56 mM for UDP-GlcNAc {ECO:0000269|PubMed:19846580};
CC       pH dependence:
CC         Optimum pH is 8.0. {ECO:0000269|PubMed:19846580};
CC   -!- PATHWAY: Protein modification; protein glycosylation.
CC       {ECO:0000269|PubMed:12941944, ECO:0000269|PubMed:14617637,
CC       ECO:0000269|PubMed:14623122, ECO:0000269|PubMed:19846580}.
CC   -!- INTERACTION:
CC       Q3V5L5; P09022: Hoxa1; Xeno; NbExp=3; IntAct=EBI-3957727, EBI-3957603;
CC   -!- SUBCELLULAR LOCATION: Golgi apparatus membrane
CC       {ECO:0000250|UniProtKB:Q765H6}; Single-pass type II membrane protein
CC       {ECO:0000250|UniProtKB:Q765H6}.
CC   -!- ALTERNATIVE PRODUCTS:
CC       Event=Alternative splicing; Named isoforms=3;
CC       Name=1;
CC         IsoId=Q3V5L5-1; Sequence=Displayed;
CC       Name=2;
CC         IsoId=Q3V5L5-2; Sequence=VSP_025731, VSP_025734;
CC       Name=3;
CC         IsoId=Q3V5L5-5; Sequence=VSP_025734;
CC   -!- TISSUE SPECIFICITY: Predominantly expressed in brain. Expressed in all
CC       areas of the adult and fetal brain. Also expressed at much lower levels
CC       in testis, spleen and thymus. {ECO:0000269|PubMed:12941944,
CC       ECO:0000269|PubMed:14623122}.
CC   -!- SIMILARITY: Belongs to the glycosyltransferase 18 family.
CC       {ECO:0000305}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAH62354.1; Type=Miscellaneous discrepancy; Note=Probable cloning artifact.; Evidence={ECO:0000305};
CC       Sequence=AAH63862.1; Type=Miscellaneous discrepancy; Note=Probable cloning artifact.; Evidence={ECO:0000305};
CC       Sequence=BAB71598.1; Type=Miscellaneous discrepancy; Note=Chimeric sequence.; Evidence={ECO:0000305};
CC       Sequence=BAD02406.1; Type=Erroneous initiation; Note=Truncated N-terminus.; Evidence={ECO:0000305};
CC       Sequence=BAE44474.1; Type=Erroneous initiation; Note=Extended N-terminus.; Evidence={ECO:0000305};
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DR   EMBL; AB114297; BAD02406.1; ALT_INIT; mRNA.
DR   EMBL; AB109185; BAC84969.1; -; mRNA.
DR   EMBL; AB235153; BAE44474.1; ALT_INIT; mRNA.
DR   EMBL; AC016168; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR   EMBL; BC062354; AAH62354.1; ALT_SEQ; mRNA.
DR   EMBL; BC063862; AAH63862.1; ALT_SEQ; mRNA.
DR   EMBL; AK057861; BAB71598.1; ALT_SEQ; mRNA.
DR   CCDS; CCDS11751.1; -. [Q3V5L5-5]
DR   CCDS; CCDS45788.1; -. [Q3V5L5-2]
DR   CCDS; CCDS59299.1; -. [Q3V5L5-1]
DR   RefSeq; NP_001186101.1; NM_001199172.1. [Q3V5L5-1]
DR   RefSeq; NP_653278.2; NM_144677.2. [Q3V5L5-5]
DR   RefSeq; NP_945193.1; NM_198955.1. [Q3V5L5-2]
DR   AlphaFoldDB; Q3V5L5; -.
DR   SMR; Q3V5L5; -.
DR   BioGRID; 127000; 117.
DR   IntAct; Q3V5L5; 5.
DR   MINT; Q3V5L5; -.
DR   STRING; 9606.ENSP00000391227; -.
DR   CAZy; GT18; Glycosyltransferase Family 18.
DR   GlyGen; Q3V5L5; 1 site.
DR   iPTMnet; Q3V5L5; -.
DR   PhosphoSitePlus; Q3V5L5; -.
DR   BioMuta; MGAT5B; -.
DR   DMDM; 152040009; -.
DR   jPOST; Q3V5L5; -.
DR   MassIVE; Q3V5L5; -.
DR   MaxQB; Q3V5L5; -.
DR   PaxDb; Q3V5L5; -.
DR   PeptideAtlas; Q3V5L5; -.
DR   PRIDE; Q3V5L5; -.
DR   ProteomicsDB; 61881; -. [Q3V5L5-1]
DR   ProteomicsDB; 61882; -. [Q3V5L5-2]
DR   ProteomicsDB; 61885; -. [Q3V5L5-5]
DR   Antibodypedia; 46175; 61 antibodies from 18 providers.
DR   DNASU; 146664; -.
DR   Ensembl; ENST00000301618.8; ENSP00000301618.4; ENSG00000167889.13. [Q3V5L5-5]
DR   Ensembl; ENST00000428789.6; ENSP00000391227.2; ENSG00000167889.13. [Q3V5L5-2]
DR   Ensembl; ENST00000569840.7; ENSP00000456037.2; ENSG00000167889.13. [Q3V5L5-1]
DR   GeneID; 146664; -.
DR   KEGG; hsa:146664; -.
DR   MANE-Select; ENST00000569840.7; ENSP00000456037.2; NM_001199172.2; NP_001186101.1.
DR   UCSC; uc002jth.4; human. [Q3V5L5-1]
DR   CTD; 146664; -.
DR   DisGeNET; 146664; -.
DR   GeneCards; MGAT5B; -.
DR   HGNC; HGNC:24140; MGAT5B.
DR   HPA; ENSG00000167889; Tissue enriched (brain).
DR   MIM; 612441; gene.
DR   neXtProt; NX_Q3V5L5; -.
DR   OpenTargets; ENSG00000167889; -.
DR   PharmGKB; PA134987427; -.
DR   VEuPathDB; HostDB:ENSG00000167889; -.
DR   eggNOG; ENOG502QWJG; Eukaryota.
DR   GeneTree; ENSGT00940000153470; -.
DR   HOGENOM; CLU_016749_0_0_1; -.
DR   InParanoid; Q3V5L5; -.
DR   OMA; ASIWKFQ; -.
DR   OrthoDB; 179031at2759; -.
DR   PhylomeDB; Q3V5L5; -.
DR   TreeFam; TF313714; -.
DR   BioCyc; MetaCyc:HS15606-MON; -.
DR   PathwayCommons; Q3V5L5; -.
DR   SignaLink; Q3V5L5; -.
DR   SIGNOR; Q3V5L5; -.
DR   UniPathway; UPA00378; -.
DR   BioGRID-ORCS; 146664; 20 hits in 1073 CRISPR screens.
DR   ChiTaRS; MGAT5B; human.
DR   GeneWiki; MGAT5B; -.
DR   GenomeRNAi; 146664; -.
DR   Pharos; Q3V5L5; Tbio.
DR   PRO; PR:Q3V5L5; -.
DR   Proteomes; UP000005640; Chromosome 17.
DR   RNAct; Q3V5L5; protein.
DR   Bgee; ENSG00000167889; Expressed in right frontal lobe and 127 other tissues.
DR   ExpressionAtlas; Q3V5L5; baseline and differential.
DR   Genevisible; Q3V5L5; HS.
DR   GO; GO:0005794; C:Golgi apparatus; IBA:GO_Central.
DR   GO; GO:0000139; C:Golgi membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0030144; F:alpha-1,6-mannosylglycoprotein 6-beta-N-acetylglucosaminyltransferase activity; IDA:UniProtKB.
DR   GO; GO:0030145; F:manganese ion binding; IDA:UniProtKB.
DR   GO; GO:0006487; P:protein N-linked glycosylation; IBA:GO_Central.
DR   GO; GO:0018242; P:protein O-linked glycosylation via serine; IDA:UniProtKB.
DR   InterPro; IPR026116; GlyclTrfase_18.
DR   Pfam; PF15024; Glyco_transf_18; 1.
PE   1: Evidence at protein level;
KW   Alternative splicing; Disulfide bond; Glycoprotein; Glycosyltransferase;
KW   Golgi apparatus; Manganese; Membrane; Metal-binding; Reference proteome;
KW   Signal-anchor; Transferase; Transmembrane; Transmembrane helix.
FT   CHAIN           1..792
FT                   /note="Alpha-1,6-mannosylglycoprotein 6-beta-N-
FT                   acetylglucosaminyltransferase B"
FT                   /id="PRO_0000288611"
FT   TOPO_DOM        1..24
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        25..45
FT                   /note="Helical; Signal-anchor for type II membrane protein"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        46..792
FT                   /note="Lumenal"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        127
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   DISULFID        157..195
FT                   /evidence="ECO:0000250|UniProtKB:Q09328"
FT   DISULFID        168..208
FT                   /evidence="ECO:0000250|UniProtKB:Q09328"
FT   DISULFID        184..353
FT                   /evidence="ECO:0000250|UniProtKB:Q09328"
FT   DISULFID        387..644
FT                   /evidence="ECO:0000250|UniProtKB:Q09328"
FT   DISULFID        700..775
FT                   /evidence="ECO:0000250|UniProtKB:Q09328"
FT   DISULFID        704..777
FT                   /evidence="ECO:0000250|UniProtKB:Q09328"
FT   DISULFID        711..764
FT                   /evidence="ECO:0000250|UniProtKB:Q09328"
FT   DISULFID        732..753
FT                   /evidence="ECO:0000250|UniProtKB:Q09328"
FT   DISULFID        788..791
FT                   /evidence="ECO:0000250|UniProtKB:Q09328"
FT   VAR_SEQ         1..22
FT                   /note="MITVNPDGKIMVRRCLVTLRPF -> MHSFVKHLCSRYVVERQGTMALPALL
FT                   TRLLPLR (in isoform 2)"
FT                   /evidence="ECO:0000303|PubMed:14623122"
FT                   /id="VSP_025731"
FT   VAR_SEQ         475..476
FT                   /note="Missing (in isoform 2 and isoform 3)"
FT                   /evidence="ECO:0000303|PubMed:14623122"
FT                   /id="VSP_025734"
FT   VARIANT         70
FT                   /note="V -> I (in dbSNP:rs571264)"
FT                   /id="VAR_032452"
SQ   SEQUENCE   792 AA;  89535 MW;  C2EB9445FDBE9429 CRC64;
     MITVNPDGKI MVRRCLVTLR PFRLFVLGIG FFTLCFLMTS LGGQFSARRL GDSPFTIRTE
     VMGGPESRGV LRKMSDLLEL MVKRMDALAR LENSSELHRA GGDLHFPADR MPPGAGLMER
     IQAIAQNVSD IAVKVDQILR HSLLLHSKVS EGRRDQCEAP SDPKFPDCSG KVEWMRARWT
     SDPCYAFFGV DGTECSFLIY LSEVEWFCPP LPWRNQTAAQ RAPKPLPKVQ AVFRSNLSHL
     LDLMGSGKES LIFMKKRTKR LTAQWALAAQ RLAQKLGATQ RDQKQILVHI GFLTEESGDV
     FSPRVLKGGP LGEMVQWADI LTALYVLGHG LRVTVSLKEL QSNLGVPPGR GSCPLTMPLP
     FDLIYTDYHG LQQMKRHMGL SFKKYRCRIR VIDTFGTEPA YNHEEYATLH GYRTNWGYWN
     LNPKQFMTMF PHTPDNSFMG FVSEELNETE KRLIKGGKAS NMAVVYGKEA SIWKLQGKEK
     FLGILNKYME IHGTVYYESQ RPPEVPAFVK NHGLLPQPEF QQLLRKAKLF IGFGFPYEGP
     APLEAIANGC IFLQSRFSPP HSSLNHEFFR GKPTSREVFS QHPYAENFIG KPHVWTVDYN
     NSEEFEAAIK AIMRTQVDPY LPYEYTCEGM LERIHAYIQH QDFCRAPDPA LPEAHAPQSP
     FVLAPNATHL EWARNTSLAP GAWPPAHALR AWLAVPGRAC TDTCLDHGLI CEPSFFPFLN
     SQDAFLKLQV PCDSTESEMN HLYPAFAQPG QECYLQKEPL LFSCAGSNTK YRRLCPCRDF
     RKGQVALCQG CL
 
 
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