Descriptions

HSPA8 (or hsc70) is a heat shock cognate protein involved in many cellular processes. During recovery from stress, HSPA8, initially accumulating in the nucleoplasm for folding/refolding of proteins, transiently concentrates in nucleoli for nucleolar morphology and function restoration. The inhibitory region is positioned at one of the three domains of HSPA8 protein, which is the N-terminal ATPase domain, specifically in residues 263-287 of domain IIB. Under normal growth conditions, the constitutive nucleolar targeting function that is provided by residues 225-262 is diminished by the autoinhibitory element located in residues 263-287. When cells recover from stress, the autoinhibitory element is inactivated, and the constitutive nucleolar targeting function restores.

Autoinhibitory domains (AIDs)

Target domain

223-260 (Nucleolar targeting region)

Relief mechanism

Others

Assay

Accessory elements

No accessory elements

Autoinhibited structure

Activated structure

1 structures for Q5RGE6

Entry ID Method Resolution Chain Position Source
AF-Q5RGE6-F1 Predicted AlphaFoldDB

No variants for Q5RGE6

Variant ID(s) Position Change Description Diseaes Association Provenance
No variants for Q5RGE6

No associated diseases with Q5RGE6

4 regional properties for Q5RGE6

Type Name Position InterPro Accession
domain C2 domain 430 - 560 IPR000008
domain Phosphatidylinositol-specific phospholipase C, X domain 112 - 256 IPR000909
domain Phospholipase C, phosphatidylinositol-specific, Y domain 313 - 430 IPR001711
domain Phosphoinositide-specific phospholipase C, EF-hand-like domain 27 - 102 IPR015359

Functions

Description
EC Number
Subcellular Localization
  • Cytoplasm, cytosol
PANTHER Family
PANTHER Subfamily
PANTHER Protein Class
PANTHER Pathway Category No pathway information available

5 GO annotations of cellular component

Name Definition
cytoplasm The contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
cytosol The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
nucleus A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
plasma membrane The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
ribosome An intracellular organelle, about 200 A in diameter, consisting of RNA and protein. It is the site of protein biosynthesis resulting from translation of messenger RNA (mRNA). It consists of two subunits, one large and one small, each containing only protein and RNA. Both the ribosome and its subunits are characterized by their sedimentation coefficients, expressed in Svedberg units (symbol

5 GO annotations of molecular function

Name Definition
ATP binding Binding to ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
ATP hydrolysis activity Catalysis of the reaction
ATP-dependent protein folding chaperone Binding to a protein or a protein-containing complex to assist the protein folding process, driven by ATP hydrolysis.
heat shock protein binding Binding to a heat shock protein, a protein synthesized or activated in response to heat shock.
protein folding chaperone Binding to a protein or a protein-containing complex to assist the protein folding process.

2 GO annotations of biological process

Name Definition
chaperone cofactor-dependent protein refolding The process of assisting in the correct posttranslational noncovalent assembly of proteins, which is dependent on additional protein cofactors. This process occurs over one or several cycles of nucleotide hydrolysis-dependent binding and release.
protein refolding The process carried out by a cell that restores the biological activity of an unfolded or misfolded protein, using helper proteins such as chaperones.

54 homologous proteins in AiPD

UniProt AC Gene Name Protein Name Species Evidence Code
P19120 HSPA8 Heat shock cognate 71 kDa protein Bos taurus (Bovine) SS
Q27975 HSPA1A Heat shock 70 kDa protein 1A Bos taurus (Bovine) SS
P0CB32 HSPA1L Heat shock 70 kDa protein 1-like Bos taurus (Bovine) SS
Q2YDD0 HSPA14 Heat shock 70 kDa protein 14 Bos taurus (Bovine) SS
O73885 HSPA8 Heat shock cognate 71 kDa protein Gallus gallus (Chicken) SS
P08106 Heat shock 70 kDa protein Gallus gallus (Chicken) SS
E1C2P3 HSPA14 Heat shock 70 kDa protein 14 Gallus gallus (Chicken) SS
P77319 hscC Chaperone protein HscC Escherichia coli (strain K12) PR
P0A6Y8 dnaK Chaperone protein DnaK Escherichia coli (strain K12) SS
P29843 Hsc70-1 Heat shock 70 kDa protein cognate 1 Drosophila melanogaster (Fruit fly) SS
P02825 Hsp70Ab Major heat shock 70 kDa protein Ab Drosophila melanogaster (Fruit fly) SS
P82910 Hsp70Aa Major heat shock 70 kDa protein Aa Drosophila melanogaster (Fruit fly) SS
Q9VG58 Hsp70Bbb Major heat shock 70 kDa protein Bbb Drosophila melanogaster (Fruit fly) SS
Q9BIR7 Hsp70Bc Major heat shock 70 kDa protein Bc Drosophila melanogaster (Fruit fly) SS
Q8INI8 Hsp70Ba Major heat shock 70 kDa protein Ba Drosophila melanogaster (Fruit fly) SS
Q9BIS2 Hsp70Bb Major heat shock 70 kDa protein Bb Drosophila melanogaster (Fruit fly) SS
P11146 Hsc70-2 Heat shock 70 kDa protein cognate 2 Drosophila melanogaster (Fruit fly) SS
P11147 Hsc70-4 Heat shock 70 kDa protein cognate 4 Drosophila melanogaster (Fruit fly) SS
O97125 Hsp68 Heat shock protein 68 Drosophila melanogaster (Fruit fly) SS
Q96MM6 HSPA12B Heat shock 70 kDa protein 12B Homo sapiens (Human) PR
P17066 HSPA6 Heat shock 70 kDa protein 6 Homo sapiens (Human) SS
O43301 HSPA12A Heat shock 70 kDa protein 12A Homo sapiens (Human) PR
P0DMV9 HSPA1B Heat shock 70 kDa protein 1B Homo sapiens (Human) SS
P0DMV8 HSPA1A Heat shock 70 kDa protein 1A Homo sapiens (Human) SS
P34931 HSPA1L Heat shock 70 kDa protein 1-like Homo sapiens (Human) SS
P54652 HSPA2 Heat shock-related 70 kDa protein 2 Homo sapiens (Human) SS
P11142 HSPA8 Heat shock cognate 71 kDa protein Homo sapiens (Human) EV
Q0VDF9 HSPA14 Heat shock 70 kDa protein 14 Homo sapiens (Human) SS
P11143 HSP70 Heat shock 70 kDa protein Zea mays (Maize) SS
P16627 Hspa1l Heat shock 70 kDa protein 1-like Mus musculus (Mouse) SS
P63017 Hspa8 Heat shock cognate 71 kDa protein Mus musculus (Mouse) SS
Q8K0U4 Hspa12a Heat shock 70 kDa protein 12A Mus musculus (Mouse) PR
P17156 Hspa2 Heat shock-related 70 kDa protein 2 Mus musculus (Mouse) SS
Q61696 Hspa1a Heat shock 70 kDa protein 1A Mus musculus (Mouse) SS
Q9CZJ2 Hspa12b Heat shock 70 kDa protein 12B Mus musculus (Mouse) PR
P17879 Hspa1b Heat shock 70 kDa protein 1B Mus musculus (Mouse) SS
Q99M31 Hspa14 Heat shock 70 kDa protein 14 Mus musculus (Mouse) SS
Q6S4N2 HSPA1B Heat shock 70 kDa protein 1B Sus scrofa (Pig) SS
P14659 Hspa2 Heat shock-related 70 kDa protein 2 Rattus norvegicus (Rat) SS
P0DMW1 Hspa1b Heat shock 70 kDa protein 1B Rattus norvegicus (Rat) SS
P0DMW0 Hspa1a Heat shock 70 kDa protein 1A Rattus norvegicus (Rat) SS
P63018 Hspa8 Heat shock cognate 71 kDa protein Rattus norvegicus (Rat) SS
P55063 Hspa1l Heat shock 70 kDa protein 1-like Rattus norvegicus (Rat) SS
P09446 hsp-1 Heat shock protein hsp-1 Caenorhabditis elegans SS
P26413 HSP70 Heat shock 70 kDa protein Glycine max (Soybean) (Glycine hispida) SS
Q9S9N1 HSP70-5 Heat shock 70 kDa protein 5 Arabidopsis thaliana (Mouse-ear cress) SS
Q9C7X7 HSP70-18 Heat shock 70 kDa protein 18 Arabidopsis thaliana (Mouse-ear cress) SS
O65719 HSP70-3 Heat shock 70 kDa protein 3 Arabidopsis thaliana (Mouse-ear cress) SS
Q9LHA8 HSP70-4 Heat shock 70 kDa protein 4 Arabidopsis thaliana (Mouse-ear cress) SS
P22954 HSP70-2 Heat shock 70 kDa protein 2 Arabidopsis thaliana (Mouse-ear cress) SS
P22953 HSP70-1 Heat shock 70 kDa protein 1 Arabidopsis thaliana (Mouse-ear cress) SS
P24629 HSC-I Heat shock cognate 70 kDa protein 1 Solanum lycopersicum (Tomato) (Lycopersicon esculentum) SS
P27322 HSC-2 Heat shock cognate 70 kDa protein 2 Solanum lycopersicum (Tomato) (Lycopersicon esculentum) SS
Q90473 hspa8 Heat shock cognate 71 kDa protein Danio rerio (Zebrafish) (Brachydanio rerio) SS
10 20 30 40 50 60
MAAIGVHFGY TCACVAVFKD GRADVVANDA GDRVTPAVVA YRDTEQIVGI AAKQGRIRNA
70 80 90 100 110 120
ANTVVKVKQI LGRRYDDPDA QAHKEESKCI VVNKSGLPRY EIDTGETTKY VSPEDVAKLI
130 140 150 160 170 180
FHKMKETAQS ALGSDVKDAV ITVPFEFDEM QKNALRQAAE SAGFNVLRLI HEPSAALLAY
190 200 210 220 230 240
DIGQDSPLGK SHVLVYKLGG TSLSVTVLEV NSGVYRVLAT QTDHQTGGES FTQELAQHLA
250 260 270 280 290 300
AEFKKTFKQD VSGNARAMMK LMNSADVAKH TLSTLGSANC FVDSLYDGMD FECNVSRARF
310 320 330 340 350 360
ELICSSLFNK CIQPIKSLLE QVNLSTSDVN KVVLSGGSAR IPKLQQMIRD LFPDVELLNS
370 380 390 400 410 420
IPPDEVIPVG AAMQAGILVG KDSLALGEDS ITVDCCASDI TLKEVDDSGL EVFTVLFPSG
430 440 450 460 470 480
TPLPARRQHT LQGPGSLSSV RLQLFQAQQP IAQIVLGDLE PKEELHDVVT VLTMKRDGSL
490 500
HVTCTEQSSG RSEAITIETA AAAS