Statements in which the resource exists as a subject.
PredicateObject
rdf:type
biopax3:comment
FUNCTION: Involved in stress resistance and actin organization. SUBUNIT: Associates with alpha- and beta-tubulin, microtubules and CRYAB. Interacts with HSPB8 (By similarity). Interacts with HSPBAP1 and TGFB1I1. SUBCELLULAR LOCATION: Cytoplasm (By similarity). Nucleus (By similarity). Cytoplasm, cytoskeleton, spindle (By similarity). Note=Cytoplasmic in interphase cells. Colocalizes with mitotic spindles in mitotic cells. Translocates to the nucleus during heat shock and resides in sub-nuclear structures known as SC35 speckles or nuclear splicing speckles (By similarity). TISSUE SPECIFICITY: Expressed in a variety of tissues. High levels in lung, adrenal, xiphoid, adipose tissue, heart and striated and smooth muscle, lower levels in the CNS. Adult levels are much higher in the slow-twitch soleus muscle than in the fast-twitch rectus femoris and extensor digitorum muscles. DEVELOPMENTAL STAGE: Expressed in the soleus and rectus femoris muscles at prenatal day 2, increasing to a maximum at postnatal day 3. Expression in the rectus femoris muscle then decreases reaching adult levels within a few weeks. PTM: Phosphorylation by MAPKAPK2 and MAPKAPK3 in response to stress leads to dissociate HSP27/HSPB1 from large small heat-shock protein (sHsps) oligomers and impair its chaperone activity and ability to protect against oxidative stress effectively. Phosphorylation by MAPKAPK5 in response to PKA stimulation induces F-actin rearrangement (By similarity). SIMILARITY: Belongs to the small heat shock protein (HSP20) family. GENE SYNONYMS:Hspb1 Hsp27. COPYRIGHT: Protein annotation is derived from the UniProt Consortium (http://www.uniprot.org/). Distributed under the Creative Commons Attribution-NoDerivs License., SEQUENCE 206 AA; 22893 MW; 1CEC75582E5E34B2 CRC64;
biopax3:xref
biopax3:displayName
HSPB1_RAT
biopax3:name
HSP 27, Heat shock 27 kDa protein, HspB1, Hspb1
biopax3:entityFeature
biopax3:organism
biopax3:sequence
MTERRVPFSLLRSPSWEPFRDWYPAHSRLFDQAFGVPRFPDEWSQWFSSAGWPGYVRPLPAATAEGPAAVTLARPAFSRALNRQLSSGVSEIRQTADRWRVSLDVNHFAPEELTVKTKEGVVEITGKHEERQDEHGYISRCFTRKYTLPPGVDPTLVSSSLSPEGTLTVEAPLPKAVTQSAEITIPVTFEARAQIGGPESEQSGAK
biopax3:standardName
Heat shock protein beta-1