5DS2

Core domain of the class I small heat-shock protein HSP 18.1 from Pisum sativum

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d5ds2a_	All beta proteins	HSP20-like chaperones	HSP20-like chaperones	HSP20	automated matches	Garden pea (Pisum sativum ) [TaxId: 3888 ],	SCOPe (2.08)
B	d5ds2b_	All beta proteins	HSP20-like chaperones	HSP20-like chaperones	HSP20	automated matches	Garden pea (Pisum sativum ) [TaxId: 3888 ],	SCOPe (2.08)
C	d5ds2c_	All beta proteins	HSP20-like chaperones	HSP20-like chaperones	HSP20	automated matches	Garden pea (Pisum sativum ) [TaxId: 3888 ],	SCOPe (2.08)
D	d5ds2d_	All beta proteins	HSP20-like chaperones	HSP20-like chaperones	HSP20	automated matches	Garden pea (Pisum sativum ) [TaxId: 3888 ],	SCOPe (2.08)
E	d5ds2e_	All beta proteins	HSP20-like chaperones	HSP20-like chaperones	HSP20	automated matches	Garden pea (Pisum sativum ) [TaxId: 3888 ],	SCOPe (2.08)
F	d5ds2f_	All beta proteins	HSP20-like chaperones	HSP20-like chaperones	HSP20	automated matches	Garden pea (Pisum sativum ) [TaxId: 3888 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Hsp20 chaperone-like	8098558	3001242	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Hsp20 chaperone-like	8098558	3001242	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Hsp20 chaperone-like	8098558	3001242	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Hsp20 chaperone-like	8098558	3001242	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Hsp20 chaperone-like	8098558	3001242	SCOP2B (2022-06-29)
F	SCOP2 Family	HSP20	8098557	4002439	SCOP2 (2022-06-29)
F	SCOP2 Superfamily	Hsp20 chaperone-like	8098558	3001242	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	HSP20	e5ds2A1	A: beta sandwiches	X: HSP20-like	H: HSP20-like chaperones (From Topology)	T: HSP20-like chaperones	F: HSP20	ECOD (1.6)
B	HSP20	e5ds2B1	A: beta sandwiches	X: HSP20-like	H: HSP20-like chaperones (From Topology)	T: HSP20-like chaperones	F: HSP20	ECOD (1.6)
C	HSP20	e5ds2C1	A: beta sandwiches	X: HSP20-like	H: HSP20-like chaperones (From Topology)	T: HSP20-like chaperones	F: HSP20	ECOD (1.6)
D	HSP20	e5ds2D1	A: beta sandwiches	X: HSP20-like	H: HSP20-like chaperones (From Topology)	T: HSP20-like chaperones	F: HSP20	ECOD (1.6)
E	HSP20	e5ds2E1	A: beta sandwiches	X: HSP20-like	H: HSP20-like chaperones (From Topology)	T: HSP20-like chaperones	F: HSP20	ECOD (1.6)
F	HSP20	e5ds2F1	A: beta sandwiches	X: HSP20-like	H: HSP20-like chaperones (From Topology)	T: HSP20-like chaperones	F: HSP20	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.790	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)
B	2.60.40.790	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)
C	2.60.40.790	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)
D	2.60.40.790	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)
E	2.60.40.790	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)
F	2.60.40.790	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F	PF00011	Hsp20/alpha crystallin family (HSP20)	Hsp20/alpha crystallin family	Not only do small heat-shock-proteins occur in eukaryotes and prokaryotes but they have also now been shown to occur in cyanobacterial phages as well as their bacterial hosts [2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F	18.1 kDa class I heat shock protein	unfolded protein binding protein binding binding identical protein binding	cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein complex oligomerization protein-containing complex assembly cellular process cellular component organization or biogenesis regulation of protein stability biological regulation regulation of biological quality protein stabilization cellular biosynthetic process cellular metabolic process cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein complex oligomerization protein-containing complex assembly cellular process cellular component organization or biogenesis regulation of protein stability biological regulation regulation of biological quality protein stabilization cellular biosynthetic process cellular metabolic process primary metabolic process gene expression macromolecule biosynthetic process protein maturation protein folding biosynthetic process metabolic process protein metabolic process macromolecule metabolic process response to hydrogen peroxide response to oxidative stress response to stimulus response to stress response to chemical response to oxygen-containing compound response to reactive oxygen species response to heat response to abiotic stimulus response to temperature stimulus response to osmotic stress response to salt stress	intracellular anatomical structure cytoplasm cellular anatomical entity protein-containing complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F	IPR002068	Alpha crystallin/Hsp20 domain	Domain
A, B, C, D, E A, B, C, D, E, F	IPR031107	Small heat shock protein	Family
A, B, C, D, E A, B, C, D, E, F	IPR008978	HSP20-like chaperone	Homologous Superfamily

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.