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Protein

Heat shock protein beta-6

Gene

Hspb6

Organism
Mus musculus (Mouse)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

Small heat shock protein which functions as a molecular chaperone probably maintaining denatured proteins in a folding-competent state. Seems to have versatile functions in various biological processes. Plays a role in regulating muscle function such as smooth muscle vasorelaxation and cardiac myocyte contractility. May regulate myocardial angiogenesis implicating KDR. Overexpression mediates cardioprotection and angiogenesis after induced damage. Stabilizes monomeric YWHAZ thereby supporting YWHAZ chaperone-like activity.By similarity

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionChaperone
Biological processStress response

Names & Taxonomyi

Protein namesi
Recommended name:
Heat shock protein beta-6
Short name:
HspB6
Gene namesi
Name:Hspb6
Synonyms:Gm479
OrganismiMus musculus (Mouse)
Taxonomic identifieri10090 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeMusMus
Proteomesi
  • UP000000589 Componenti: Chromosome 7

Organism-specific databases

MGIiMGI:2685325 Hspb6

Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte; Source: COMPARTMENTS

Keywords - Cellular componenti

Cytoplasm, Nucleus, Secreted

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00002460771 – 162Heat shock protein beta-6Add BLAST162

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei16Phosphoserine1 Publication1
Modified residuei157PhosphoserineBy similarity1

Post-translational modificationi

Phosphorylated at Ser-16 by PKA and probably PKD1K; required to protect cardiomyocytes from apoptosis.By similarity1 Publication

Keywords - PTMi

Phosphoprotein

Proteomic databases

MaxQBiQ5EBG6
PaxDbiQ5EBG6
PeptideAtlasiQ5EBG6
PRIDEiQ5EBG6

PTM databases

iPTMnetiQ5EBG6
PhosphoSitePlusiQ5EBG6

Expressioni

Gene expression databases

BgeeiENSMUSG00000036854 Expressed in 211 organ(s), highest expression level in heart left ventricle
CleanExiMM_HSPB6
GenevisibleiQ5EBG6 MM

Interactioni

Subunit structurei

Homodimer. Small heat shock proteins form high molecular mass oligomers containing variable number of monomers; these oligomers display a very flexible quaternary structure easily exchanging their subunits. Heterooligomer with HSPB1; formed through oligomerization of HSPB1:HSBP6 dimers; subunit exchange leads to formation of at least two different heterooligomeric complexes, differing in variable quantities of HSPB1 and HSPB6 homodimers in addition to HSPB1:HSPB6 heterodimers. Heterooligomer with CRYAB; large heterooligomers consist of CRYAB homodimers and HSPB5:HSPB6 heterodimers but lacking HSPB6 homodimers. Interacts with BAG3. Interacts (phosphorylated) with YWHAZ. Interacts with PDE4A and PDE4D; required for maintenance of the non-phosphorylated state of HSPB6 under basal conditions. Interacts with KDR. Interacts with PRKD1.By similarity

GO - Molecular functioni

Protein-protein interaction databases

BioGridi232583, 1 interactor
IntActiQ5EBG6, 1 interactor
STRINGi10090.ENSMUSP00000039172

Structurei

3D structure databases

ProteinModelPortaliQ5EBG6
SMRiQ5EBG6
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini56 – 162sHSPPROSITE-ProRule annotationAdd BLAST107

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni1 – 72Involved in stabilization of the HSPB1:HSBP6 heterodimerBy similarityAdd BLAST72

Sequence similaritiesi

Belongs to the small heat shock protein (HSP20) family.PROSITE-ProRule annotation

Phylogenomic databases

eggNOGiKOG3591 Eukaryota
ENOG410YERS LUCA
GeneTreeiENSGT00760000119238
HOGENOMiHOG000233954
HOVERGENiHBG054766
InParanoidiQ5EBG6
KOiK09545
OMAiPVQPTWL
OrthoDBiEOG091G0USC
PhylomeDBiQ5EBG6
TreeFamiTF105049

Family and domain databases

Gene3Di2.60.40.790, 1 hit
InterProiView protein in InterPro
IPR002068 A-crystallin/Hsp20_dom
IPR001436 Alpha-crystallin/HSP
IPR003090 Alpha-crystallin_N
IPR031107 HSP20
IPR008978 HSP20-like_chaperone
PANTHERiPTHR11527 PTHR11527, 1 hit
PfamiView protein in Pfam
PF00525 Crystallin, 1 hit
PF00011 HSP20, 1 hit
PRINTSiPR00299 ACRYSTALLIN
SUPFAMiSSF49764 SSF49764, 1 hit
PROSITEiView protein in PROSITE
PS01031 SHSP, 1 hit

Sequencei

Sequence statusi: Complete.

Q5EBG6-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MEIPVPVQPS WLRRASAPLP GFSAPGRLFD QRFGEGLLEA ELASLCPAAI
60 70 80 90 100
APYYLRAPSV ALPTAQVSTD SGYFSVLLDV KHFLPEEISV KVVDDHVEVH
110 120 130 140 150
ARHEERPDEH GFIAREFHRR YRLPPGVDPA AVTSALSPEG VLSIQATPAS
160
AQAQLPSPPA AK
Length:162
Mass (Da):17,521
Last modified:March 15, 2005 - v1
Checksum:iD4CA1685AEBD3337
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
BC089621 mRNA Translation: AAH89621.1
CCDSiCCDS21097.1
RefSeqiNP_001012401.1, NM_001012401.2
UniGeneiMm.34885

Genome annotation databases

EnsembliENSMUST00000044048; ENSMUSP00000039172; ENSMUSG00000036854
GeneIDi243912
KEGGimmu:243912
UCSCiuc009gew.1 mouse

Similar proteinsi

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
BC089621 mRNA Translation: AAH89621.1
CCDSiCCDS21097.1
RefSeqiNP_001012401.1, NM_001012401.2
UniGeneiMm.34885

3D structure databases

ProteinModelPortaliQ5EBG6
SMRiQ5EBG6
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

BioGridi232583, 1 interactor
IntActiQ5EBG6, 1 interactor
STRINGi10090.ENSMUSP00000039172

PTM databases

iPTMnetiQ5EBG6
PhosphoSitePlusiQ5EBG6

Proteomic databases

MaxQBiQ5EBG6
PaxDbiQ5EBG6
PeptideAtlasiQ5EBG6
PRIDEiQ5EBG6

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsembliENSMUST00000044048; ENSMUSP00000039172; ENSMUSG00000036854
GeneIDi243912
KEGGimmu:243912
UCSCiuc009gew.1 mouse

Organism-specific databases

CTDi126393
MGIiMGI:2685325 Hspb6

Phylogenomic databases

eggNOGiKOG3591 Eukaryota
ENOG410YERS LUCA
GeneTreeiENSGT00760000119238
HOGENOMiHOG000233954
HOVERGENiHBG054766
InParanoidiQ5EBG6
KOiK09545
OMAiPVQPTWL
OrthoDBiEOG091G0USC
PhylomeDBiQ5EBG6
TreeFamiTF105049

Miscellaneous databases

PROiPR:Q5EBG6
SOURCEiSearch...

Gene expression databases

BgeeiENSMUSG00000036854 Expressed in 211 organ(s), highest expression level in heart left ventricle
CleanExiMM_HSPB6
GenevisibleiQ5EBG6 MM

Family and domain databases

Gene3Di2.60.40.790, 1 hit
InterProiView protein in InterPro
IPR002068 A-crystallin/Hsp20_dom
IPR001436 Alpha-crystallin/HSP
IPR003090 Alpha-crystallin_N
IPR031107 HSP20
IPR008978 HSP20-like_chaperone
PANTHERiPTHR11527 PTHR11527, 1 hit
PfamiView protein in Pfam
PF00525 Crystallin, 1 hit
PF00011 HSP20, 1 hit
PRINTSiPR00299 ACRYSTALLIN
SUPFAMiSSF49764 SSF49764, 1 hit
PROSITEiView protein in PROSITE
PS01031 SHSP, 1 hit
ProtoNetiSearch...

Entry informationi

Entry nameiHSPB6_MOUSE
AccessioniPrimary (citable) accession number: Q5EBG6
Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 11, 2006
Last sequence update: March 15, 2005
Last modified: November 7, 2018
This is version 102 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
  2. MGD cross-references
    Mouse Genome Database (MGD) cross-references in UniProtKB/Swiss-Prot
UniProt is an ELIXIR core data resource
Main funding by: National Institutes of Health

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