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Q866Z6

- GCNT3_SHEEP

UniProt

Q866Z6 - GCNT3_SHEEP

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Protein

Beta-1,3-galactosyl-O-glycosyl-glycoprotein beta-1,6-N-acetylglucosaminyltransferase 3

Gene
GCNT3
Organism
Ovis aries (Sheep)
Status
Reviewed - Annotation score: 3 out of 5 - Protein inferred from homologyi

Functioni

Glycosyltransferase that can synthesize all known mucin beta 6 N-acetylglucosaminides. Mediates core 2 and core 4 O-glycan branching, 2 important steps in mucin-type biosynthesis. Has also I-branching enzyme activity by converting linear into branched poly-N-acetyllactosaminoglycans, leading to introduce the blood group I antigen during embryonic development By similarity.

Catalytic activityi

UDP-N-acetyl-D-glucosamine + beta-D-galactosyl-1,3-N-acetyl-D-galactosaminyl-R = UDP + beta-D-galactosyl-1,3-(N-acetyl-beta-D-glucosaminyl-1,6)-N-acetyl-D-galactosaminyl-R.
UDP-N-acetyl-D-glucosamine + beta-D-galactosyl-1,4-N-acetyl-D-glucosaminyl-R = UDP + N-acetyl-beta-D-glucosaminyl-1,6-beta-D-galactosyl-1,4-N-acetyl-D-glucosaminyl-R.

Pathwayi

GO - Molecular functioni

  1. beta-1,3-galactosyl-O-glycosyl-glycoprotein beta-1,6-N-acetylglucosaminyltransferase activity Source: UniProtKB-EC
  2. N-acetyllactosaminide beta-1,6-N-acetylglucosaminyltransferase activity Source: UniProtKB-EC

GO - Biological processi

  1. protein glycosylation Source: UniProtKB-UniPathway
Complete GO annotation...

Keywords - Molecular functioni

Glycosyltransferase, Transferase

Enzyme and pathway databases

UniPathwayiUPA00378.

Protein family/group databases

CAZyiGT14. Glycosyltransferase Family 14.

Names & Taxonomyi

Protein namesi
Recommended name:
Beta-1,3-galactosyl-O-glycosyl-glycoprotein beta-1,6-N-acetylglucosaminyltransferase 3 (EC:2.4.1.102, EC:2.4.1.150)
Alternative name(s):
C2GnT-mucin type
Short name:
C2GnT-M
Gene namesi
Name:GCNT3
OrganismiOvis aries (Sheep)
Taxonomic identifieri9940 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaLaurasiatheriaCetartiodactylaRuminantiaPecoraBovidaeCaprinaeOvis
ProteomesiUP000002356: Unplaced

Subcellular locationi

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Topological domaini1 – 1212Cytoplasmic Reviewed predictionAdd
BLAST
Transmembranei13 – 3018Helical; Signal-anchor for type II membrane protein; Reviewed predictionAdd
BLAST
Topological domaini31 – 440410Lumenal Reviewed predictionAdd
BLAST

GO - Cellular componenti

  1. Golgi membrane Source: UniProtKB-SubCell
  2. integral component of membrane Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Golgi apparatus, Membrane

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 440440Beta-1,3-galactosyl-O-glycosyl-glycoprotein beta-1,6-N-acetylglucosaminyltransferase 3PRO_0000288548Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Disulfide bondi73 ↔ 230 By similarity
Glycosylationi108 – 1081N-linked (GlcNAc...) Reviewed prediction
Disulfide bondi164 ↔ 384 By similarity
Disulfide bondi185 ↔ 212 By similarity
Disulfide bondi393 ↔ 425 By similarity

Post-translational modificationi

N-glycosylated By similarity.

Keywords - PTMi

Disulfide bond, Glycoprotein

Structurei

3D structure databases

ProteinModelPortaliQ866Z6.
SMRiQ866Z6. Positions 70-435.

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Signal-anchor, Transmembrane, Transmembrane helix

Phylogenomic databases

HOVERGENiHBG051711.

Family and domain databases

InterProiIPR003406. Glyco_trans_14.
[Graphical view]
PfamiPF02485. Branch. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q866Z6-1 [UniParc]FASTAAdd to Basket

« Hide

MKMTGWKKKL CRGHHLWALG CYMLLAVVAL RLSLRLKCDV DSLDLESRDF    50
QSQRCRDVLY KNLKLPAKRS INCSGITRGD QEAVVQALLD NLEVKKKRLP 100
FTDTYYLNIT RDCEQFKAQR KFIQFPLSKE ELDFPIAYSM VVHEKIENFE 150
RLLRAVYAPQ NIYCVHVDVK SPETFKEAVK AIISCFPNVF MASKLVPVVY 200
ASWSRVQADL NCMEDLLQSS VPWKYLLNTC GTDFPIKTNA EMVLALKMLN 250
GKNSMESEIP SEYKKTRWKY RYEVTDRLSL TSKMKDPPPD NLPVFTGNAY 300
FVASRAFVQH VLENPKSQRL IEWVKDTYSP DEHLWATLQR APWMPGSVPY 350
HPKYHISDMT AIARLVKWQG HEGDVSMGAP YAPCSGIHQR AICIYGVGDL 400
HWILQNHHLL ANKFDPRVDD NVLQCLEEYL RHKAIYGTEL 440
Length:440
Mass (Da):50,860
Last modified:June 1, 2003 - v1
Checksum:iF6754AF91D64C688
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AF465335 Genomic DNA. Translation: AAO22162.1.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AF465335 Genomic DNA. Translation: AAO22162.1 .

3D structure databases

ProteinModelPortali Q866Z6.
SMRi Q866Z6. Positions 70-435.
ModBasei Search...
MobiDBi Search...

Protein family/group databases

CAZyi GT14. Glycosyltransferase Family 14.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Phylogenomic databases

HOVERGENi HBG051711.

Enzyme and pathway databases

UniPathwayi UPA00378 .

Family and domain databases

InterProi IPR003406. Glyco_trans_14.
[Graphical view ]
Pfami PF02485. Branch. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "The core 2 beta-1,6-N-acetylglucosaminyltransferase-mucin encoded by bovine herpesvirus 4 was acquired from an ancestor of the African buffalo."
    Markine-Goriaynoff N., Georgin J.-P., Goltz M., Zimmermann W., Broll H., Wamwayi H.M., Pastoret P.-P., Sharp P.M., Vanderplasschen A.
    J. Virol. 77:1784-1792(2003) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].

Entry informationi

Entry nameiGCNT3_SHEEP
AccessioniPrimary (citable) accession number: Q866Z6
Entry historyi
Integrated into UniProtKB/Swiss-Prot: May 29, 2007
Last sequence update: June 1, 2003
Last modified: July 9, 2014
This is version 40 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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