We will be switching to the new UniProt website on Tuesday, June 28. Please explore and share your feedback.
Take me to UniProt BETA
UniProtKB - A4JYY8 (A4JYY8_9INFB)
Protein
Neuraminidase
Gene
NB-NA
Organism
Influenza B virus (B/Temple/B1166/2001)
Status
Functioni
Catalyzes the removal of terminal sialic acid residues from viral and cellular glycoconjugates.
UniRule annotationPutative viral proton channel. May play a role in virus entry.
ARBA annotationCatalytic 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.UniRule annotation EC:3.2.1.18
Cofactori
Ca2+UniRule annotationARBA annotation
GO - Molecular functioni
- exo-alpha-(2->3)-sialidase activity Source: UniProtKB-UniRule
- exo-alpha-(2->6)-sialidase activity Source: UniProtKB-UniRule
- exo-alpha-(2->8)-sialidase activity Source: UniProtKB-UniRule
- metal ion binding Source: UniProtKB-KW
GO - Biological processi
- carbohydrate metabolic process Source: UniProtKB-UniRule
Keywordsi
Molecular function | GlycosidaseUniRule annotationARBA annotation, Hydrolase |
Biological process | TransportARBA annotation |
Ligand | CalciumUniRule annotationARBA annotation, Metal-bindingUniRule annotationARBA annotation |
Protein family/group databases
CAZyi | GH34, Glycoside Hydrolase Family 34 |
TCDBi | 1.A.32.1.3, the type b influenza virus nb channel (nb-c) family |
Names & Taxonomyi
Protein namesi | |
Gene namesi | Name:NB-NAImported Synonyms:NAUniRule annotation |
Organismi | Influenza B virus (B/Temple/B1166/2001)Imported |
Taxonomic identifieri | 408934 [NCBI] |
Taxonomic lineagei | Viruses › Riboviria › Orthornavirae › Negarnaviricota › Polyploviricotina › Insthoviricetes › Articulavirales › Orthomyxoviridae › Betainfluenzavirus › |
Proteomesi |
|
Subcellular locationi
- Membrane ARBA annotation; Single-pass type II membrane protein ARBA annotation
- Membrane ARBA annotation; Single-pass type III membrane protein ARBA annotation
- Virion membrane UniRule annotationARBA annotation; Single-pass type III membrane protein ARBA annotation
- Host apical cell membrane UniRule annotation; Single-pass type II membrane protein UniRule annotation
Topology
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Transmembranei | 21 – 40 | HelicalSequence analysisAdd BLAST | 20 |
Keywords - Cellular componenti
Host cell membraneUniRule annotationARBA annotation, Host membrane, Membrane, VirionUniRule annotationARBA annotationPTM / Processingi
Post-translational modificationi
N-glycosylated.UniRule annotation
Keywords - PTMi
GlycoproteinUniRule annotationARBA annotationInteractioni
Subunit structurei
Homotetramer.
UniRule annotationARBA annotationStructurei
Family & Domainsi
Sequence similaritiesi
Belongs to the glycosyl hydrolase 34 family.UniRule annotation
Belongs to the influenza viruses type B glycoprotein NB family.ARBA annotation
Keywords - Domaini
Signal-anchorARBA annotation, Transmembrane, Transmembrane helixSequence analysisARBA annotationFamily and domain databases
InterProi | View protein in InterPro IPR001860, Glyco_hydro_34 IPR007288, InfluenzaB_glycoprotein_NB IPR036278, Sialidase_sf |
Pfami | View protein in Pfam PF04159, NB, 1 hit PF00064, Neur, 1 hit |
SUPFAMi | SSF50939, SSF50939, 1 hit |
i Sequence
Sequence statusi: Complete.
A4JYY8-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
MNNATFNYTN VNPISHIRGS VIITICVSFT VILTIFGYIA KFSPTEITAP
60 70 80 90 100
TMPLDCANAS NVQAVNRSAT KGVTLLLPEP EWTYPRLSCP GSTFQKALLI
110 120 130 140 150
SPHRFGETKG NSAPLIIREP FIACGPKECK HFALTHYAAQ PGGYYNGTRG
160 170 180 190 200
DRNKLRHLIS VKLGKIPTVE NSIFHMAAWS GSACHDGKEW TYIGVDGPDS
210 220 230 240 250
NALLKIKYGE AYTDTYHSYA NNILRTQESA CNCIGGNCYL MITDGSASGI
260 270 280 290 300
SECRFLKIRE GRIIKEIFPT GRVKHTEECT CGFASNKTIE CACRDNSYTA
310 320 330 340 350
KRPFVKLNVE TDTAEIRLMC TETYLDTPRP DDGSITGPCE SNGDKGSGGI
360 370 380 390 400
KGGFVHQRMA SKIGRWYSRT MSKTKRMGMG LYVKYDGDPW TDSDALALSG
410 420 430 440 450
VMVSMEEPGW YSFGFEIKDK KCDVPCIGIE MVHDGGKETW HSAATAIYCL
460
MGSGQLLWDT VTGVDMAL
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | CY018127 Viral cRNA Translation: ABO72380.1 |
Similar proteinsi
Cross-referencesi
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | CY018127 Viral cRNA Translation: ABO72380.1 |
3D structure databases
ModBasei | Search... |
SWISS-MODEL-Workspacei | Submit a new modelling project... |
Protein family/group databases
CAZyi | GH34, Glycoside Hydrolase Family 34 |
TCDBi | 1.A.32.1.3, the type b influenza virus nb channel (nb-c) family |
Family and domain databases
InterProi | View protein in InterPro IPR001860, Glyco_hydro_34 IPR007288, InfluenzaB_glycoprotein_NB IPR036278, Sialidase_sf |
Pfami | View protein in Pfam PF04159, NB, 1 hit PF00064, Neur, 1 hit |
SUPFAMi | SSF50939, SSF50939, 1 hit |
MobiDBi | Search... |
Entry informationi
Entry namei | A4JYY8_9INFB | |
Accessioni | A4JYY8Primary (citable) accession number: A4JYY8 | |
Entry historyi | Integrated into UniProtKB/TrEMBL: | May 1, 2007 |
Last sequence update: | May 1, 2007 | |
Last modified: | May 25, 2022 | |
This is version 80 of the entry and version 1 of the sequence. See complete history. | ||
Entry statusi | Unreviewed (UniProtKB/TrEMBL) |