P04792 (HSPB1_HUMAN) Homo sapiens (Human)

Heat shock protein beta-1 UniProtKBInterProSTRINGInteractive Modelling

205 aa; Sequence (Fasta) Identical sequences: Homo sapiens: V9HW43; Pan troglodytes: A0A6D2XZC4; H2QUT1; Pan paniscus: A0A2R9BIJ2; Gorilla gorilla gorilla: G3QJQ8; Macaca nemestrina: A0A2K6AVS5; Macaca mulatta: F6XTF7; Macaca fascicularis: A0A2K5VTS1

Sequence Features

 7P -> S (in HMN2B; induces hyperphosphorylation of neurofilaments; no effect on cytoplasmic location; no effect on dimerization) VAR_078128
 34G -> R (in HMN2B; increased aggregation; increased homooligomerization; changed function in chaperone-mediated protein folding) VAR_077483
 39P -> L (in HMN2B and CMT2F; increased aggregation; increased homooligomerization; decreased phosphorylation by MAPKAPK2; changed function in chaperone-mediated protein folding; dbSNP:rs557327165) VAR_077484 dbSNP
 41E -> K (in HMN2B; increased aggregation; increased homooligomerization; changed function in chaperone-mediated protein folding; dbSNP:rs1393404971) VAR_077485 dbSNP
 53G -> D (in HMN2B; no effect on dimerization; no effect on cytoplasmic location; no effect on dimerization; dbSNP:rs375244209) VAR_078129 dbSNP
 84G -> R (in HMN2B; decreased homooligomerization; decreased heterooligomerization with HSPB6; no effect on phosphorylation by MAPKAPK2; decreased function in chaperone-mediated protein folding; dbSNP:rs770272088) VAR_077486 dbSNP
 99L -> M (in HMN2B; decreased homooligomerization; decreased heterooligomerization with HSPB6; no effect on phosphorylation by MAPKAPK2; decreased function in chaperone-mediated protein folding; dbSNP:rs121909113) VAR_077487 dbSNP
 127R -> W (in HMN2B; decreased homodimerization; increased client proteins binding; increased function in chaperone-mediated protein folding; alters CDK5-mediated phosphorylation of neurofilament proteins and indirectly impairs their anterograde axonal transport; dbSNP:rs29001571) VAR_018506 dbSNP
 128Q -> R (in HMN2B; unknown pathological significance; no effect on dimerization; no effect on cytoplasmic location; no effect on dimerization; dbSNP:rs558882005) VAR_078130 dbSNP
 135S -> F (in CMT2F and HMN2B; decreased homodimerization; increased client proteins binding; increased function in chaperone-mediated protein folding; alters CDK5-mediated phosphorylation of neurofilament proteins; alters CDK5-mediated phosphorylation of neurofilament proteins and indirectly impairs their anterograde axonal transport; dbSNP:rs28939680) VAR_018507 dbSNP
 136R -> L (in CMT2F and HMN2B; dbSNP:rs863225022) VAR_077488 dbSNP
 136R -> W (in CMT2F; decreased homodimerization only with the wild-type protein; increased client proteins binding; increased function in chaperone-mediated protein folding; dbSNP:rs28939681) VAR_018508 dbSNP
 140R -> G (in HMN2B; decreased thermal stability; changed protein structure; changed homooligomerization; loss of heterooligomerization with HSPB6; decreased function in chaperone-mediated protein folding; dbSNP:rs121909112) VAR_077489 dbSNP
 141K -> Q (in HMN2B; decreased thermal stability; changed protein structure; no effect on homooligomerization; changed heterooligomerization with HSPB6; slightly decreased function in chaperone-mediated protein folding) VAR_077490
 151T -> I (in HMN2B; no effect on homodimerization; no effect on client proteins binding; no effect on function in chaperone-mediated protein folding; dbSNP:rs28937568) VAR_018509 dbSNP
 156S -> Y (rare polymorphism; no effect on oligomerization; no effect on client proteins binding; no effect on function in chaperone-mediated protein folding; dbSNP:rs374995963) VAR_077491 dbSNP
 164T -> A (in CMT2F) VAR_067085
 180T -> I (in HMN2B; unknown pathological significance) VAR_077492
 182P -> L (in HMN2B; decreased protein abundance; no effect on oligomerization; increased client proteins binding; no effect on function in chaperone-mediated protein folding; alters CDK5-mediated phosphorylation of neurofilament proteins; indirectly impairs their anterograde axonal transport; dbSNP:rs28937569) VAR_018510 dbSNP
 187S -> L (in HMN2B; formation of large cytoplasmic aggregates; no effect on dimerization; dbSNP:rs774585320) VAR_078132 dbSNP
 188R -> W (in CMT2F; unknown pathological significance; dbSNP:rs772767500) VAR_077493 dbSNP
 190Q -> H (found in a patient with sporadic amyotrophic lateral sclerosis; unknown pathological significance; dbSNP:rs764297134) VAR_077494 dbSNP
 175-205Missing (in HMN2B) VAR_078131
 88-183Alpha crystallin/Hsp20 domain
IPR002068PF00011

Sequence Alignments

Experimental structures

DescriptionOligo-stateLigandsStructureRangeDownloadAssess
Oligomeric complex of a Hsp27 24-mer at 3.6 A resolution Heteromer
6dv51-205
Human Hsp27 core domain in complex with C-terminal peptide Heteromer
4mjh85-185
Human Hsp27 (HspB1) alpha-crystallin domain in complex with a peptide mimic of its phosphorylatable…homo-8-mer GOL;6gjh84-170
Solution Structure of the alpha-crystallin domain from the redox-sensitive chaperone, HSPB1homo-2-mer 2n3j80-176
HspB1 fragmentmonomer 3q9p90-171
HspB1 fragment second crystal formmonomer 3q9q90-170