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Q5RBC3

- EXT1_PONAB

UniProt

Q5RBC3 - EXT1_PONAB

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Protein
Exostosin-1
Gene
EXT1
Organism
Pongo abelii (Sumatran orangutan) (Pongo pygmaeus abelii)
Status
Reviewed - Annotation score: 4 out of 5 - Experimental evidence at transcript leveli

Functioni

Glycosyltransferase required for the biosynthesis of heparan-sulfate. The EXT1/EXT2 complex possesses substantially higher glycosyltransferase activity than EXT1 or EXT2 alone By similarity.

Catalytic activityi

UDP-N-acetyl-D-glucosamine + beta-D-glucuronosyl-(1->4)-N-acetyl-alpha-D-glucosaminyl-proteoglycan = UDP + N-acetyl-alpha-D-glucosaminyl-(1->4)-beta-D-glucuronosyl-(1->4)-N-acetyl-alpha-D-glucosaminyl-proteoglycan.
UDP-alpha-D-glucuronate + N-acetyl-alpha-D-glucosaminyl-(1->4)-beta-D-glucuronosyl-proteoglycan = UDP + beta-D-glucuronosyl-(1->4)-N-acetyl-alpha-D-glucosaminyl-(1->4)-beta-D-glucuronosyl-proteoglycan.

Pathwayi

GO - Molecular functioni

  1. N-acetylglucosaminyl-proteoglycan 4-beta-glucuronosyltransferase activity Source: UniProtKB-EC
  2. glucuronosyl-N-acetylglucosaminyl-proteoglycan 4-alpha-N-acetylglucosaminyltransferase activity Source: UniProtKB-EC
Complete GO annotation...

GO - Biological processi

  1. heparan sulfate proteoglycan biosynthetic process Source: InterPro
  2. protein glycosylation Source: UniProtKB-UniPathway
Complete GO annotation...

Keywords - Molecular functioni

Glycosyltransferase, Transferase

Enzyme and pathway databases

UniPathwayiUPA00378.

Protein family/group databases

CAZyiGT47. Glycosyltransferase Family 47.
GT64. Glycosyltransferase Family 64.

Names & Taxonomyi

Protein namesi
Recommended name:
Exostosin-1 (EC:2.4.1.224, EC:2.4.1.225)
Alternative name(s):
Glucuronosyl-N-acetylglucosaminyl-proteoglycan/N-acetylglucosaminyl-proteoglycan 4-alpha-N-acetylglucosaminyltransferase
Multiple exostoses protein 1 homolog
Gene namesi
Name:EXT1
OrganismiPongo abelii (Sumatran orangutan) (Pongo pygmaeus abelii)
Taxonomic identifieri9601 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaePongo
ProteomesiUP000001595: Unplaced

Subcellular locationi

Endoplasmic reticulum membrane; Single-pass type II membrane protein By similarity. Golgi apparatus membrane; Single-pass type II membrane protein By similarity
Note: The EXT1/EXT2 complex is localized in the Golgi apparatus By similarity.

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Topological domaini1 – 77Cytoplasmic Reviewed prediction
Transmembranei8 – 2821Helical; Signal-anchor for type II membrane protein; Reviewed prediction
Add
BLAST
Topological domaini29 – 746718Lumenal Reviewed prediction
Add
BLAST

GO - Cellular componenti

  1. Golgi membrane Source: UniProtKB-SubCell
  2. integral component of membrane Source: UniProtKB-KW
  3. intrinsic component of endoplasmic reticulum membrane Source: InterPro
Complete GO annotation...

Keywords - Cellular componenti

Endoplasmic reticulum, Golgi apparatus, Membrane

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 746746Exostosin-1
PRO_0000366931Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Glycosylationi89 – 891N-linked (GlcNAc...) Reviewed prediction
Glycosylationi330 – 3301N-linked (GlcNAc...) Reviewed prediction

Keywords - PTMi

Glycoprotein

Interactioni

Subunit structurei

Forms a homo/hetero-oligomeric complex with EXT2 By similarity.

Structurei

3D structure databases

ProteinModelPortaliQ5RBC3.

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Signal-anchor, Transmembrane, Transmembrane helix

Phylogenomic databases

HOGENOMiHOG000266990.
HOVERGENiHBG003459.
InParanoidiQ5RBC3.
KOiK02366.

Family and domain databases

Gene3Di3.90.550.10. 1 hit.
InterProiIPR004263. Exostosin.
IPR027670. Exostosin-1.
IPR015338. HexNAc_Trfase_a.
IPR029044. Nucleotide-diphossugar_trans.
[Graphical view]
PANTHERiPTHR11062. PTHR11062. 1 hit.
PTHR11062:SF45. PTHR11062:SF45. 1 hit.
PfamiPF03016. Exostosin. 1 hit.
PF09258. Glyco_transf_64. 1 hit.
[Graphical view]
SUPFAMiSSF53448. SSF53448. 1 hit.

Sequencei

Sequence statusi: Complete.

Q5RBC3-1 [UniParc]FASTAAdd to Basket

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MQAKKRYFIL LSAGSCLALL FYFGGLQFRA SRSHSRREEH SGRNGLHHPS    50
PDHFWPRFPD ALRPFVPWDQ LENEDSSVHI SPRQKRDANS SIYKGKKCRM 100
ESCFDFTLCK KNGFKVYAYP QQKGEKIAES YQNILAAIEG SRFYTSDPSQ 150
ACLFVLSLDT LDRDQLSPQY VHNLRSKVQS LHLWNNGRNH LIFNLYSGTW 200
PDYTEDVGFD IGQAMLAKAS ISTENFRPNF DVSIPLFSKD HPRTGGERGF 250
LKFNTIPPLR KYMLVFKGKR YLTGIGSDTR NALYHVHNGE DVVLLTTCKH 300
GKDWQKHKDS RCDRDNTEYE KYDYREMLHN ATFCLVPRGR RLGSFRFLEA 350
LQAACVPVML SNGWELPFSE VINWNQAAVI GDERLLLQIP STIRSIHQDK 400
ILALRQQTQF LWEAYFSSVE KIVLTTLEII QDRIFKHISR NSLIWNKHPG 450
GLFVLPQYSS YLGDFPYYYA NLGLKPPSKF TAVIHAVTPL VSQSQPVLKL 500
LVAAAKSQYC AQIIVLWNCD KPLPAKHRWP ATAVPVIVIE GESKVMSSRF 550
LPYDNIITDA VLSLDEDTVL STTEVDFAFT VWRSFPERIV GYPARSHFWD 600
NSKERWGYTS KWTNDYSMVL TGAAIYHKYY HYLYSHYLPA SLKNMVDQLA 650
NCEDILMNFL VSAVTKLPPI KVTQKEQYKE TMMGQTSRAS RWADPDHFAQ 700
RQSCMNTFAS WFGYMPLIHS QMRLDPVLFK DQVSILRKKY RDIERL 746
Length:746
Mass (Da):86,270
Last modified:December 21, 2004 - v1
Checksum:i2BDBFD1396DBA31F
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CR858728 mRNA. Translation: CAH90937.1.
RefSeqiNP_001125538.1. NM_001132066.1.
UniGeneiPab.9186.

Genome annotation databases

GeneIDi100172450.
KEGGipon:100172450.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CR858728 mRNA. Translation: CAH90937.1 .
RefSeqi NP_001125538.1. NM_001132066.1.
UniGenei Pab.9186.

3D structure databases

ProteinModelPortali Q5RBC3.
ModBasei Search...

Protein family/group databases

CAZyi GT47. Glycosyltransferase Family 47.
GT64. Glycosyltransferase Family 64.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

GeneIDi 100172450.
KEGGi pon:100172450.

Organism-specific databases

CTDi 2131.

Phylogenomic databases

HOGENOMi HOG000266990.
HOVERGENi HBG003459.
InParanoidi Q5RBC3.
KOi K02366.

Enzyme and pathway databases

UniPathwayi UPA00378 .

Family and domain databases

Gene3Di 3.90.550.10. 1 hit.
InterProi IPR004263. Exostosin.
IPR027670. Exostosin-1.
IPR015338. HexNAc_Trfase_a.
IPR029044. Nucleotide-diphossugar_trans.
[Graphical view ]
PANTHERi PTHR11062. PTHR11062. 1 hit.
PTHR11062:SF45. PTHR11062:SF45. 1 hit.
Pfami PF03016. Exostosin. 1 hit.
PF09258. Glyco_transf_64. 1 hit.
[Graphical view ]
SUPFAMi SSF53448. SSF53448. 1 hit.
ProtoNeti Search...

Publicationsi

  1. The German cDNA consortium
    Submitted (NOV-2004) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
    Tissue: Heart.

Entry informationi

Entry nameiEXT1_PONAB
AccessioniPrimary (citable) accession number: Q5RBC3
Entry historyi
Integrated into UniProtKB/Swiss-Prot: March 24, 2009
Last sequence update: December 21, 2004
Last modified: September 3, 2014
This is version 48 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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