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Q8BZL1

- NEUR4_MOUSE

UniProt

Q8BZL1 - NEUR4_MOUSE

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Protein
Sialidase-4
Gene
Neu4
Organism
Mus musculus (Mouse)
Status
Reviewed - Annotation score: 4 out of 5 - Experimental evidence at transcript leveli

Functioni

May function in lysosomal catabolism of sialylated glycoconjugates. Has sialidase activity towards synthetic substrates, such as 2'-(4-methylumbelliferyl)-alpha-D-N-acetylneuraminic acid (4-MU-NANA or 4MU-NeuAc). Has a broad substrate specificity being active on glycoproteins, oligosaccharides and sialylated glycolipids By similarity.1 Publication

Catalytic activityi

Hydrolysis of alpha-(2->3)-, alpha-(2->6)-, alpha-(2->8)- glycosidic linkages of terminal sialic acid residues in oligosaccharides, glycoproteins, glycolipids, colominic acid and synthetic substrates.

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei23 – 231Substrate By similarity
Binding sitei43 – 431Substrate By similarity
Active sitei47 – 471Proton acceptor By similarity
Active sitei48 – 481Proton acceptor By similarity
Binding sitei177 – 1771Substrate By similarity
Binding sitei179 – 1791Substrate By similarity
Binding sitei222 – 2221Substrate By similarity
Binding sitei238 – 2381Substrate By similarity
Binding sitei383 – 3831Substrate By similarity
Active sitei413 – 4131Nucleophile By similarity
Active sitei434 – 4341 Reviewed prediction

GO - Molecular functioni

  1. exo-alpha-(2->3)-sialidase activity Source: UniProtKB-EC
  2. exo-alpha-(2->6)-sialidase activity Source: UniProtKB-EC
  3. exo-alpha-(2->8)-sialidase activity Source: UniProtKB-EC
  4. exo-alpha-sialidase activity Source: MGI

GO - Biological processi

  1. ganglioside catabolic process Source: UniProtKB
  2. glycoprotein catabolic process Source: UniProtKB
  3. oligosaccharide catabolic process Source: UniProtKB
Complete GO annotation...

Keywords - Molecular functioni

Glycosidase, Hydrolase

Keywords - Biological processi

Carbohydrate metabolism, Lipid degradation, Lipid metabolism

Enzyme and pathway databases

ReactomeiREACT_199008. Glycosphingolipid metabolism.
REACT_202500. Sialic acid metabolism.

Protein family/group databases

CAZyiGH33. Glycoside Hydrolase Family 33.

Names & Taxonomyi

Protein namesi
Recommended name:
Sialidase-4 (EC:3.2.1.18)
Alternative name(s):
N-acetyl-alpha-neuraminidase 4
Neuraminidase 4
Gene namesi
Name:Neu4
OrganismiMus musculus (Mouse)
Taxonomic identifieri10090 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaSciurognathiMuroideaMuridaeMurinaeMusMus
ProteomesiUP000000589: Chromosome 1

Organism-specific databases

MGIiMGI:2661364. Neu4.

Subcellular locationi

GO - Cellular componenti

  1. lysosome Source: UniProtKB
  2. mitochondrion Source: MGI
  3. organelle inner membrane Source: UniProtKB
Complete GO annotation...

Keywords - Cellular componenti

Membrane

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 478478Sialidase-4
PRO_0000208907Add
BLAST

Proteomic databases

PaxDbiQ8BZL1.
PRIDEiQ8BZL1.

Expressioni

Tissue specificityi

Expressed predominantly in brain.1 Publication

Gene expression databases

BgeeiQ8BZL1.
CleanExiMM_NEU4.
GenevestigatoriQ8BZL1.

Structurei

3D structure databases

ProteinModelPortaliQ8BZL1.
SMRiQ8BZL1. Positions 22-284, 367-451.

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Repeati127 – 13812BNR 1
Add
BLAST
Repeati200 – 21112BNR 2
Add
BLAST
Repeati247 – 25812BNR 3
Add
BLAST

Motif

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Motifi22 – 254FRIP motif

Sequence similaritiesi

Contains 3 BNR repeats.

Keywords - Domaini

Repeat

Phylogenomic databases

eggNOGiNOG84455.
GeneTreeiENSGT00390000011171.
HOGENOMiHOG000233778.
HOVERGENiHBG052608.
InParanoidiQ6NS66.
KOiK12357.
OMAiMNPCPVL.
OrthoDBiEOG7MSMNP.
TreeFamiTF331063.

Family and domain databases

Gene3Di2.120.10.10. 2 hits.
InterProiIPR026946. Sialidase-4.
IPR026856. Sialidase_fam.
IPR011040. Sialidases.
[Graphical view]
PANTHERiPTHR10628. PTHR10628. 1 hit.
PTHR10628:SF8. PTHR10628:SF8. 1 hit.
SUPFAMiSSF50939. SSF50939. 2 hits.

Sequences (2)i

Sequence statusi: Complete.

This entry describes 2 isoformsi produced by alternative splicing. Align

Isoform 1 (identifier: Q8BZL1-2) [UniParc]FASTAAdd to Basket

This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.

« Hide

MGPTRVPRRT VLFQRERTGL TYRVPALLCV PPRPTLLAFA EQRLSPDDSH    50
AHRLVLRRGT LTRGSVRWGT LSVLETAVLE EHRSMNPCPV LDEHSGTIFL 100
FFIAVLGHTP EAVQIATGKN AARLCCVTSC DAGLTWGSVR DLTEEAIGAA 150
LQDWATFAVG PGHGVQLRSG RLLVPAYTYH VDRRECFGKI CWTSPHSLAF 200
YSDDHGISWH CGGLVPNLRS GECQLAAVDG DFLYCNARSP LGNRVQALSA 250
DEGTSFLPGE LVPTLAETAR GCQGSIVGFL APPSIEPQDD RWTGSPRNTP 300
HSPCFNLRVQ ESSGEGARGL LERWMPRLPL CYPQSRSPEN HGLEPGSDGD 350
KTSWTPECPM SSDSMLQSPT WLLYSHPAGR RARLHMGIYL SRSPLDPHSW 400
TEPWVIYEGP SGYSDLAFLG PMPGASLVFA CLFESGTRTS YEDISFCLFS 450
LADVLENVPT GLEMLSLRDK AQGHCWPS 478
Length:478
Mass (Da):52,426
Last modified:June 16, 2009 - v3
Checksum:iE1833F5DBFBFD08F
GO
Isoform 2 (identifier: Q8BZL1-1) [UniParc]FASTAAdd to Basket

The sequence of this isoform differs from the canonical sequence as follows:
     1-1: M → METAGAPFCFHVDSLVPCSYWKVM

Note: No experimental confirmation available.

Show »
Length:501
Mass (Da):54,996
Checksum:i9CF4B78F19DF3BC2
GO

Alternative sequence

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Alternative sequencei1 – 11M → METAGAPFCFHVDSLVPCSY WKVM in isoform 2.
VSP_037492

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AY258421 mRNA. Translation: AAP81169.1.
AK034236 mRNA. Translation: BAC28641.1.
BC070438 mRNA. Translation: AAH70438.1.
CCDSiCCDS15199.1. [Q8BZL1-2]
RefSeqiNP_776133.1. NM_173772.3. [Q8BZL1-2]
XP_006529656.1. XM_006529593.1. [Q8BZL1-1]
UniGeneiMm.214565.

Genome annotation databases

EnsembliENSMUST00000050890; ENSMUSP00000051151; ENSMUSG00000034000. [Q8BZL1-2]
GeneIDi241159.
KEGGimmu:241159.
UCSCiuc007ceu.1. mouse. [Q8BZL1-2]

Keywords - Coding sequence diversityi

Alternative splicing

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AY258421 mRNA. Translation: AAP81169.1 .
AK034236 mRNA. Translation: BAC28641.1 .
BC070438 mRNA. Translation: AAH70438.1 .
CCDSi CCDS15199.1. [Q8BZL1-2 ]
RefSeqi NP_776133.1. NM_173772.3. [Q8BZL1-2 ]
XP_006529656.1. XM_006529593.1. [Q8BZL1-1 ]
UniGenei Mm.214565.

3D structure databases

ProteinModelPortali Q8BZL1.
SMRi Q8BZL1. Positions 22-284, 367-451.
ModBasei Search...
MobiDBi Search...

Protein family/group databases

CAZyi GH33. Glycoside Hydrolase Family 33.

Proteomic databases

PaxDbi Q8BZL1.
PRIDEi Q8BZL1.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

Ensembli ENSMUST00000050890 ; ENSMUSP00000051151 ; ENSMUSG00000034000 . [Q8BZL1-2 ]
GeneIDi 241159.
KEGGi mmu:241159.
UCSCi uc007ceu.1. mouse. [Q8BZL1-2 ]

Organism-specific databases

CTDi 129807.
MGIi MGI:2661364. Neu4.

Phylogenomic databases

eggNOGi NOG84455.
GeneTreei ENSGT00390000011171.
HOGENOMi HOG000233778.
HOVERGENi HBG052608.
InParanoidi Q6NS66.
KOi K12357.
OMAi MNPCPVL.
OrthoDBi EOG7MSMNP.
TreeFami TF331063.

Enzyme and pathway databases

Reactomei REACT_199008. Glycosphingolipid metabolism.
REACT_202500. Sialic acid metabolism.

Miscellaneous databases

NextBioi 384911.
PROi Q8BZL1.
SOURCEi Search...

Gene expression databases

Bgeei Q8BZL1.
CleanExi MM_NEU4.
Genevestigatori Q8BZL1.

Family and domain databases

Gene3Di 2.120.10.10. 2 hits.
InterProi IPR026946. Sialidase-4.
IPR026856. Sialidase_fam.
IPR011040. Sialidases.
[Graphical view ]
PANTHERi PTHR10628. PTHR10628. 1 hit.
PTHR10628:SF8. PTHR10628:SF8. 1 hit.
SUPFAMi SSF50939. SSF50939. 2 hits.
ProtoNeti Search...

Publicationsi

« Hide 'large scale' publications
  1. "Identification and expression of Neu4, a novel murine sialidase."
    Comelli E.M., Amado M., Lustig S.R., Paulson J.C.
    Gene 321:155-161(2003) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 2), FUNCTION, TISSUE SPECIFICITY.
    Strain: C57BL/6.
    Tissue: Brain.
  2. "The transcriptional landscape of the mammalian genome."
    Carninci P., Kasukawa T., Katayama S., Gough J., Frith M.C., Maeda N., Oyama R., Ravasi T., Lenhard B., Wells C., Kodzius R., Shimokawa K., Bajic V.B., Brenner S.E., Batalov S., Forrest A.R., Zavolan M., Davis M.J.
    , Wilming L.G., Aidinis V., Allen J.E., Ambesi-Impiombato A., Apweiler R., Aturaliya R.N., Bailey T.L., Bansal M., Baxter L., Beisel K.W., Bersano T., Bono H., Chalk A.M., Chiu K.P., Choudhary V., Christoffels A., Clutterbuck D.R., Crowe M.L., Dalla E., Dalrymple B.P., de Bono B., Della Gatta G., di Bernardo D., Down T., Engstrom P., Fagiolini M., Faulkner G., Fletcher C.F., Fukushima T., Furuno M., Futaki S., Gariboldi M., Georgii-Hemming P., Gingeras T.R., Gojobori T., Green R.E., Gustincich S., Harbers M., Hayashi Y., Hensch T.K., Hirokawa N., Hill D., Huminiecki L., Iacono M., Ikeo K., Iwama A., Ishikawa T., Jakt M., Kanapin A., Katoh M., Kawasawa Y., Kelso J., Kitamura H., Kitano H., Kollias G., Krishnan S.P., Kruger A., Kummerfeld S.K., Kurochkin I.V., Lareau L.F., Lazarevic D., Lipovich L., Liu J., Liuni S., McWilliam S., Madan Babu M., Madera M., Marchionni L., Matsuda H., Matsuzawa S., Miki H., Mignone F., Miyake S., Morris K., Mottagui-Tabar S., Mulder N., Nakano N., Nakauchi H., Ng P., Nilsson R., Nishiguchi S., Nishikawa S., Nori F., Ohara O., Okazaki Y., Orlando V., Pang K.C., Pavan W.J., Pavesi G., Pesole G., Petrovsky N., Piazza S., Reed J., Reid J.F., Ring B.Z., Ringwald M., Rost B., Ruan Y., Salzberg S.L., Sandelin A., Schneider C., Schoenbach C., Sekiguchi K., Semple C.A., Seno S., Sessa L., Sheng Y., Shibata Y., Shimada H., Shimada K., Silva D., Sinclair B., Sperling S., Stupka E., Sugiura K., Sultana R., Takenaka Y., Taki K., Tammoja K., Tan S.L., Tang S., Taylor M.S., Tegner J., Teichmann S.A., Ueda H.R., van Nimwegen E., Verardo R., Wei C.L., Yagi K., Yamanishi H., Zabarovsky E., Zhu S., Zimmer A., Hide W., Bult C., Grimmond S.M., Teasdale R.D., Liu E.T., Brusic V., Quackenbush J., Wahlestedt C., Mattick J.S., Hume D.A., Kai C., Sasaki D., Tomaru Y., Fukuda S., Kanamori-Katayama M., Suzuki M., Aoki J., Arakawa T., Iida J., Imamura K., Itoh M., Kato T., Kawaji H., Kawagashira N., Kawashima T., Kojima M., Kondo S., Konno H., Nakano K., Ninomiya N., Nishio T., Okada M., Plessy C., Shibata K., Shiraki T., Suzuki S., Tagami M., Waki K., Watahiki A., Okamura-Oho Y., Suzuki H., Kawai J., Hayashizaki Y.
    Science 309:1559-1563(2005) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1).
    Strain: C57BL/6J.
    Tissue: Diencephalon.
  3. "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] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1).
    Strain: C57BL/6.
    Tissue: Brain.

Entry informationi

Entry nameiNEUR4_MOUSE
AccessioniPrimary (citable) accession number: Q8BZL1
Secondary accession number(s): Q6NS66
Entry historyi
Integrated into UniProtKB/Swiss-Prot: June 7, 2004
Last sequence update: June 16, 2009
Last modified: September 3, 2014
This is version 90 of the entry and version 3 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. Glycosyl hydrolases
    Classification of glycosyl hydrolase families and list of entries
  2. MGD cross-references
    Mouse Genome Database (MGD) cross-references in UniProtKB/Swiss-Prot
  3. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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