Skip Header

Contribute Send feedback
Read comments (0) or add your own

Reviewed, UniProtKB/Swiss-Prot O43909 (EXTL3_HUMAN)

Last modified January 19, 2010. Version 94. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (6) | Third-party data | Customize display text xml rdf/xml gff fasta
Names and origin · Protein attributes · General annotation (Comments) · Ontologies · Binary interactions · Sequence annotation (Features) · Sequences · References · Web resources · Cross-references · Entry information · Relevant documents

Names and origin

Protein namesRecommended name:
    Exostosin-like 3
    EC=2.4.1.223
Alternative name(s):
    Glucuronyl-galactosyl-proteoglycan 4-alpha-N-acetylglucosaminyltransferase
    Putative tumor suppressor protein EXTL3
    Multiple exostosis-like protein 3
    Hereditary multiple exostoses gene isolog
    EXT-related protein 1
Gene names
Name: EXTL3
Synonyms: EXTL1L, EXTR1, KIAA0519
OrganismHomo sapiens (Human) [Complete proteome]
Taxonomic identifier9606 [NCBI]
Taxonomic lineageEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaeHomo

Protein attributes

Sequence length919 AA.
Sequence statusComplete.
Protein existenceEvidence at protein level.

General annotation (Comments)

Function

Probable glycosyltransferase By similarity.

Catalytic activity

UDP-N-acetyl-D-glucosamine + beta-D-glucuronosyl-(1->3)-beta-D-galactosyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-xylosyl-proteoglycan = UDP + alpha-N-acetyl-D-glucosaminyl-(1->4)-beta-D-glucuronosyl-(1->3)-beta-D-galactosyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-xylosyl-proteoglycan.

Pathway

Glycan metabolism; heparan sulfate biosynthesis.

Subcellular location

Endoplasmic reticulum membrane; Single-pass type II membrane protein Ref.10.

Tissue specificity

Ubiquitous.

Sequence similarities

Belongs to the glycosyltransferase 47 family.

Caution

It is uncertain whether Met-1, Met-6 or Met-20 is the initiator.

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 919919Exostosin-like 3
PRO_0000149657

Regions

Topological domain1 – 3030Cytoplasmic Potential
Transmembrane31 – 5121Signal-anchor for type II membrane protein Potential
Topological domain52 – 919868Lumenal Potential

Sites

Metal binding7461Manganese; catalytic By similarity

Amino acid modifications

Glycosylation2771N-linked (GlcNAc...) Potential
Glycosylation2901N-linked (GlcNAc...) Potential
Glycosylation5921N-linked (GlcNAc...) Potential
Glycosylation7901N-linked (GlcNAc...) Potential
Disulfide bond831 ↔ 879 By similarity

Natural variations

Natural variant5501A → V: dbSNP rs35781576.
VAR_061194
Natural variant7061L → P: dbSNP rs2269452.
VAR_049229

Sequences

Sequence LengthMass (Da)Tools
O43909-1 [UniParc].

Last modified June 1, 1998. Version 1.
Checksum: 200ADD4DAB4A39FD

FASTA919104,749
        10         20         30         40         50         60 
MTGYTMLRNG GAGNGGQTCM LRWSNRIRLT WLSFTLFVIL VFFPLIAHYY LTTLDEADEA 

        70         80         90        100        110        120 
GKRIFGPRVG NELCEVKHVL DLCRIRESVS EELLQLEAKR QELNSEIAKL NLKIEACKKS 

       130        140        150        160        170        180 
IENAKQDLLQ LKNVISQTEH SYKELMAQNQ PKLSLPIRLL PEKDDAGLPP PKATRGCRLH 

       190        200        210        220        230        240 
NCFDYSRCPL TSGFPVYVYD SDQFVFGSYL DPLVKQAFQA TARANVYVTE NADIACLYVI 

       250        260        270        280        290        300 
LVGEMQEPVV LRPAELEKQL YSLPHWRTDG HNHVIINLSR KSDTQNLLYN VSTGRAMVAQ 

       310        320        330        340        350        360 
STFYTVQYRP GFDLVVSPLV HAMSEPNFME IPPQVPVKRK YLFTFQGEKI ESLRSSLQEA 

       370        380        390        400        410        420 
RSFEEEMEGD PPADYDDRII ATLKAVQDSK LDQVLVEFTC KNQPKPSLPT EWALCGERED 

       430        440        450        460        470        480 
RLELLKLSTF ALIITPGDPR LVISSGCATR LFEALEVGAV PVVLGEQVQL PYQDMLQWNE 

       490        500        510        520        530        540 
AALVVPKPRV TEVHFLLRSL SDSDLLAMRR QGRFLWETYF STADSIFNTV LAMIRTRIQI 

       550        560        570        580        590        600 
PAAPIREEAA AEIPHRSGKA AGTDPNMADN GDLDLGPVET EPPYASPRYL RNFTLTVTDF 

       610        620        630        640        650        660 
YRSWNCAPGP FHLFPHTPFD PVLPSEAKFL GSGTGFRPIG GGAGGSGKEF QAALGGNVPR 

       670        680        690        700        710        720 
EQFTVVMLTY EREEVLMNSL ERLNGLPYLN KVVVVWNSPK LPSEDLLWPD IGVPIMVVRT 

       730        740        750        760        770        780 
EKNSLNNRFL PWNEIETEAI LSIDDDAHLR HDEIMFGFRV WREARDRIVG FPGRYHAWDI 

       790        800        810        820        830        840 
PHQSWLYNSN YSCELSMVLT GAAFFHKYYA YLYSYVMPQA IRDMVDEYIN CEDIAMNFLV 

       850        860        870        880        890        900 
SHITRKPPIK VTSRWTFRCP GCPQALSHDD SHFHERHKCI NFFVKVYGYM PLLYTQFRVD 

       910 
SVLFKTRLPH DKTKCFKFI 

« Hide

References

« Hide 'large scale' references
[1]"Identification of a third EXT-like gene (EXTL3) belonging to the EXT gene family."
van Hul W., Wuyts W., Hendrickx J., Speleman F., Wauters J., de Boulle K., van Roy N., Bossuyt P., Willems P.J.
Genomics 47:230-237(1998) [PubMed: 9479495] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [MRNA].
[2]"Structure, chromosomal location, and expression profile of EXTR1 and EXTR2, new members of the multiple exostoses gene family."
Saito T., Seki N., Yamauchi M., Tsuji S., Hayashi A., Kozuma S., Hori T.-A.
Biochem. Biophys. Res. Commun. 243:61-66(1998) [PubMed: 9473480] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [MRNA].
Tissue: Fetus and Testis.
[3]"Prediction of the coding sequences of unidentified human genes. IX. The complete sequences of 100 new cDNA clones from brain which can code for large proteins in vitro."
Nagase T., Ishikawa K., Miyajima N., Tanaka A., Kotani H., Nomura N., Ohara O.
DNA Res. 5:31-39(1998) [PubMed: 9628581] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
Tissue: Brain.
[4]"Molecular cloning of a candidate gene for multiple exostoses."
Deng H.-X., Xu L., Xia J.-H., Fan C., Pan Q., Liu C.-Y., Ruan Q.-G.
Submitted (OCT-1997) to the EMBL/GenBank/DDBJ databases
Cited for: NUCLEOTIDE SEQUENCE [MRNA].
[5]"The human EXTL1L/EXTR1/EXTL3 gene at 8p11-p12, the third breast cancer susceptibility gene locus, is not mutated in breast and various cancers."
Sato T.
Submitted (AUG-1998) to the EMBL/GenBank/DDBJ databases
Cited for: NUCLEOTIDE SEQUENCE [MRNA].
[6]"Cloning of human full-length CDSs in BD Creator(TM) system donor vector."
Kalnine N., Chen X., Rolfs A., Halleck A., Hines L., Eisenstein S., Koundinya M., Raphael J., Moreira D., Kelley T., LaBaer J., Lin Y., Phelan M., Farmer A.
Submitted (MAY-2003) to the EMBL/GenBank/DDBJ databases
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
[7]Mural R.J., Istrail S., Sutton G.G., Florea L., Halpern A.L., Mobarry C.M., Lippert R., Walenz B., Shatkay H., Dew I., Miller J.R., Flanigan M.J., Edwards N.J., Bolanos R., Fasulo D., Halldorsson B.V., Hannenhalli S., Turner R. expand/collapse author list , Yooseph S., Lu F., Nusskern D.R., Shue B.C., Zheng X.H., Zhong F., Delcher A.L., Huson D.H., Kravitz S.A., Mouchard L., Reinert K., Remington K.A., Clark A.G., Waterman M.S., Eichler E.E., Adams M.D., Hunkapiller M.W., Myers E.W., Venter J.C.
Submitted (SEP-2005) to the EMBL/GenBank/DDBJ databases
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
[8]"The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)."
The MGC Project Team
Genome Res. 14:2121-2127(2004) [PubMed: 15489334] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
Tissue: Brain.
[9]"Human chromosome 8 BAC clone CIT987SK-2A8 complete sequence."
Adams M.D.
Submitted (APR-1997) to the EMBL/GenBank/DDBJ databases
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA] OF 470-919.
[10]"The putative tumor suppressors EXT1 and EXT2 form a stable complex that accumulates in the Golgi apparatus and catalyzes the synthesis of heparan sulfate."
McCormick C., Duncan G., Goutsos K.T., Tufaro F.
Proc. Natl. Acad. Sci. U.S.A. 97:668-673(2000) [PubMed: 10639137] [Abstract]
Cited for: SUBCELLULAR LOCATION.

Web resources

GGDB

GlycoGene database

Functional Glycomics Gateway - GTase

Exostosin-like 3

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
AF001690 mRNA. Translation: AAC39598.1.
U76188 mRNA. Translation: AAB93670.1.
AB007042 mRNA. Translation: BAA24080.1.
AB011091 mRNA. Translation: BAA25445.2. Different initiation.
AF029231 mRNA. Translation: AAD01877.1.
AF083551 mRNA. Translation: AAD42041.1.
BT007353 mRNA. Translation: AAP36017.1.
CH471080 Genomic DNA. Translation: EAW63507.1.
BC006363 mRNA. Translation: AAH06363.1.
U96629 Genomic DNA. Translation: AAB67602.1. Sequence problems.
IPIIPI00015135.
PIRJC5934.
RefSeqNP_001431.1.
UniGeneHs.491354

3D structure databases

SMRO43909. Positions 660-905.
ModBaseSearch...

Protein-protein interaction databases

IntActO43909. 6 interactions.
STRINGO43909.

Protein family/group databases

CAZyGT47. Glycosyltransferase Family 47.
GT64. Glycosyltransferase Family 64.

Proteomic databases

PRIDEO43909.

Genome annotation databases

EnsemblENST00000220562; ENSP00000220562; ENSG00000012232; Homo sapiens. [Genome view]
GeneID2137.
KEGGhsa:2137.
UCSCuc003xgz.1. human.

Organism-specific databases

CTD2137.
GeneCardsGC08P028615.
HGNCHGNC:3518. EXTL3.
MIM605744. gene.
PharmGKBPA27930.
HUGESearch...
GenAtlasSearch...

Phylogenomic databases

eggNOGprNOG07267.
HOGENOMHBG381883.
HOVERGENO43909.
InParanoidO43909.
OMAARANVYV.
OrthoDBEOG91G5QK.
PhylomeDBO43909.

Enzyme and pathway databases

BRENDA2.4.1.223. 247.

Gene expression databases

ArrayExpressO43909.
BgeeO43909.
CleanExHS_EXTL3.
GenevestigatorO43909.
GermOnlineENSG00000012232. Homo sapiens.

Family and domain databases

InterProIPR004263. Exostosin.
IPR015338. HexNAc_Trfase_a.
[Graphical view]
PfamPF03016. Exostosin. 1 hit.
PF09258. Glyco_transf_64. 1 hit.
[Graphical view]
ProtoNetSearch...

Other Resources

NextBio8635.
SOURCESearch...

Entry information

Entry nameEXTL3_HUMAN
AccessionPrimary (citable) accession number: O43909
Secondary accession number(s): O00225, Q53XT3
Entry history
Integrated into UniProtKB/Swiss-Prot: July 15, 1999
Last sequence update: June 1, 1998
Last modified: January 19, 2010
This is version 94 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation projectHPI (Human Proteome Initiative)
DisclaimerAny medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care.

Relevant documents

Human chromosome 8

Human chromosome 8: entries, gene names and cross-references to MIM

Human entries with polymorphisms or disease mutations

List of human entries with polymorphisms or disease mutations

Human polymorphisms and disease mutations

Index of human polymorphisms and disease mutations

MIM cross-references

Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot

PATHWAY comments

Index of metabolic and biosynthesis pathways

SIMILARITY comments

Index of protein domains and families

Names and origin · Protein attributes · General annotation (Comments) · Ontologies · Binary interactions · Sequence annotation (Features) · Sequences · References · Web resources · Cross-references · Entry information · Relevant documents