1PWT | pdb_00001pwt

THERMODYNAMIC ANALYSIS OF ALPHA-SPECTRIN SH3 AND TWO OF ITS CIRCULAR PERMUTANTS WITH DIFFERENT LOOP LENGTHS: DISCERNING THE REASONS FOR RAPID FOLDING IN PROTEINS

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	d1pwta_	All beta proteins	SH3-like barrel	SH3-domain	SH3-domain	alpha-Spectrin, SH3 domain	(Gallus gallus ) [TaxId: 9031 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	SH3-domain	8032666	3000153	SCOP2B (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	KOW, Ribosomal_L26	e1pwtA1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: KOW, Ribosomal_L26	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.30.30.40	Mainly Beta	Roll	SH3 type barrels.	SH3 Domains	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00018	SH3 domain (SH3_1)	SH3 domain	SH3 (Src homology 3) domains are often indicative of a protein involved in signal transduction related to cytoskeletal organisation. First described in the Src cytoplasmic tyrosine kinase Swiss:P12931. The structure is a partly opened beta barrel.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	ALPHA SPECTRIN	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding cytoskeletal protein binding actin binding protein-containing complex binding protein binding actin filament binding	cellular component organization organelle organization actin cytoskeleton organization actin filament-based process cellular process cellular component organization or biogenesis cytoskeleton organization	cellular anatomical structure cell junction intracellular anatomical structure cell cortex cortical cytoskeleton intracellular membraneless organelle actin cytoskeleton intracellular organelle cell periphery cytoskeleton organelle membraneless organelle cortical actin cytoskeleton cytoplasm cellular anatomical structure cell junction intracellular anatomical structure cell cortex cortical cytoskeleton intracellular membraneless organelle actin cytoskeleton intracellular organelle cell periphery cytoskeleton organelle membraneless organelle cortical actin cytoskeleton cytoplasm costamere contractile muscle fiber supramolecular fiber myofibril supramolecular polymer supramolecular complex plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
A	IPR035825	Alpha Spectrin, SH3 domain	Domain
A	IPR001452	SH3 domain	Domain
A	IPR014837	EF-hand, Ca insensitive	Domain
A	IPR036028	SH3-like domain superfamily	Homologous Superfamily
A	IPR018159	Spectrin/alpha-actinin	Repeat
A	IPR002048	EF-hand domain	Domain
A	IPR011992	EF-hand domain pair	Homologous Superfamily
A	IPR002017	Spectrin repeat	Repeat