InnateDB Protein
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IDBP-23060.6
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Last Modified
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2014-10-13 [Report errors or provide feedback]
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Gene Symbol
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HSPB1
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Protein Name
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heat shock 27kDa protein 1
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Synonyms
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CMT2F; HEL-S-102; HMN2B; HS.76067; Hsp25; HSP27; HSP28; SRP27;
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Species
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Homo sapiens
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Ensembl Protein
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ENSP00000248553
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InnateDB Gene
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IDBG-23058 (HSPB1)
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Protein Structure
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Function |
Involved in stress resistance and actin organization.
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Subcellular Localization |
Cytoplasm. Nucleus. Cytoplasm, cytoskeleton, spindle. 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.
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Disease Associations |
Charcot-Marie-Tooth disease 2F (CMT2F) [MIM:606595]: A dominant axonal form of Charcot-Marie-Tooth disease, a disorder of the peripheral nervous system, characterized by progressive weakness and atrophy, initially of the peroneal muscles and later of the distal muscles of the arms. Charcot-Marie-Tooth disease is classified in two main groups on the basis of electrophysiologic properties and histopathology: primary peripheral demyelinating neuropathies (designated CMT1 when they are dominantly inherited) and primary peripheral axonal neuropathies (CMT2). Neuropathies of the CMT2 group are characterized by signs of axonal degeneration in the absence of obvious myelin alterations, normal or slightly reduced nerve conduction velocities, and progressive distal muscle weakness and atrophy. Nerve conduction velocities are normal or slightly reduced. Onset of Charcot-Marie-Tooth disease type 2F is between 15 and 25 years with muscle weakness and atrophy usually beginning in feet and legs (peroneal distribution). Upper limb involvement occurs later. {ECO:0000269PubMed:15122254, ECO:0000269PubMed:22206013}. Note=The disease is caused by mutations affecting the gene represented in this entry.Neuronopathy, distal hereditary motor, 2B (HMN2B) [MIM:608634]: A neuromuscular disorder. Distal hereditary motor neuronopathies constitute a heterogeneous group of neuromuscular disorders caused by selective degeneration of motor neurons in the anterior horn of the spinal cord, without sensory deficit in the posterior horn. The overall clinical picture consists of a classical distal muscular atrophy syndrome in the legs without clinical sensory loss. The disease starts with weakness and wasting of distal muscles of the anterior tibial and peroneal compartments of the legs. Later on, weakness and atrophy may expand to the proximal muscles of the lower limbs and/or to the distal upper limbs. {ECO:0000269PubMed:15122254}. Note=The disease is caused by mutations affecting the gene represented in this entry.
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Tissue Specificity |
Detected in all tissues tested: skeletal muscle, heart, aorta, large intestine, small intestine, stomach, esophagus, bladder, adrenal gland, thyroid, pancreas, testis, adipose tissue, kidney, liver, spleen, cerebral cortex, blood serum and cerebrospinal fluid. Highest levels are found in the heart and in tissues composed of striated and smooth muscle. {ECO:0000269PubMed:1560006}.
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Comments |
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Number of Interactions
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This gene and/or its encoded proteins are associated with 372 experimentally validated interaction(s) in this database.
They are also associated with 8 interaction(s) predicted by orthology.
Experimentally validated |
Total |
372
[view]
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Protein-Protein |
372
[view]
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Protein-DNA |
0
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Protein-RNA |
0
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DNA-DNA |
0
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RNA-RNA |
0
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DNA-RNA |
0
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Predicted by orthology |
Total |
8 [view]
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Molecular Function |
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Biological Process |
GO:0001895
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retina homeostasis
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GO:0006446
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regulation of translational initiation
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GO:0006469
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negative regulation of protein kinase activity
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GO:0006928
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cellular component movement
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GO:0006986
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response to unfolded protein
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GO:0008219
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cell death
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GO:0009615
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response to virus
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GO:0010467
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gene expression
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GO:0016070
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RNA metabolic process
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GO:0016071
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mRNA metabolic process
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GO:0032731
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positive regulation of interleukin-1 beta production
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GO:0035556
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intracellular signal transduction
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GO:0035924
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cellular response to vascular endothelial growth factor stimulus
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GO:0038033
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positive regulation of endothelial cell chemotaxis by VEGF-activated vascular endothelial growth factor receptor signaling pathway
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GO:0042535
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positive regulation of tumor necrosis factor biosynthetic process
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GO:0043066
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negative regulation of apoptotic process
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GO:0043122
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regulation of I-kappaB kinase/NF-kappaB signaling
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GO:0043536
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positive regulation of blood vessel endothelial cell migration
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GO:0045766
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positive regulation of angiogenesis
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GO:0071901
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negative regulation of protein serine/threonine kinase activity
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GO:1902176
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negative regulation of oxidative stress-induced intrinsic apoptotic signaling pathway
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GO:2001028
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positive regulation of endothelial cell chemotaxis
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GO:2001234
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negative regulation of apoptotic signaling pathway
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Cellular Component |
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PDB ID |
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InterPro |
IPR001436
Alpha crystallin/Heat shock protein
IPR002068
Alpha crystallin/Hsp20 domain
IPR008978
HSP20-like chaperone
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PFAM |
PF00011
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PRINTS |
PR00299
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PIRSF |
PIRSF036514
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SMART |
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TIGRFAMs |
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Modification |
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SwissProt |
P04792
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PhosphoSite |
PhosphoSite-P04792
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TrEMBL |
V9HW43
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UniProt Splice Variant |
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Entrez Gene |
3315
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UniGene |
Hs.726398
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RefSeq |
NP_001531
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HUGO |
HGNC:5246
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OMIM |
602195
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CCDS |
CCDS5583
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HPRD |
09076
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IMGT |
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EMBL |
AB020027
AC006388
AK311894
BC000510
BC012292
BC012768
BC014920
BC073768
BT019888
CH471220
CR407614
CR536489
DQ379985
FJ224323
L39370
S74571
U90906
X16477
X54079
Z23090
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GenPept |
AAA62175
AAB20722
AAB51056
AAH00510
AAH12292
AAH12768
AAH14920
AAH73768
AAV38691
ABC88475
ACI46015
BAB17232
BAG34835
CAA34498
CAA38016
CAA80636
CAG28542
CAG38728
EAW71803
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