Annotations: 3SRK

A new class of suicide inhibitor blocks nucleotide binding to pyruvate kinase

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
B	d3srkb2	All beta proteins	PK beta-barrel domain-like	PK beta-barrel domain-like	Pyruvate kinase beta-barrel domain	Pyruvate kinase (PK)	(Leishmania mexicana ) [TaxId: 5665 ],	SCOPe (2.08)
B	d3srkb1	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Phosphoenolpyruvate/pyruvate domain	Pyruvate kinase	Pyruvate kinase, N-terminal domain	(Leishmania mexicana ) [TaxId: 5665 ],	SCOPe (2.08)
B	d3srkb3	Alpha and beta proteins (a/b)	Pyruvate kinase C-terminal domain-like	PK C-terminal domain-like	Pyruvate kinase, C-terminal domain	Pyruvate kinase, C-terminal domain	(Leishmania mexicana ) [TaxId: 5665 ],	SCOPe (2.08)
A	d3srka2	All beta proteins	PK beta-barrel domain-like	PK beta-barrel domain-like	Pyruvate kinase beta-barrel domain	Pyruvate kinase (PK)	(Leishmania mexicana ) [TaxId: 5665 ],	SCOPe (2.08)
A	d3srka1	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Phosphoenolpyruvate/pyruvate domain	Pyruvate kinase	Pyruvate kinase, N-terminal domain	(Leishmania mexicana ) [TaxId: 5665 ],	SCOPe (2.08)
A	d3srka3	Alpha and beta proteins (a/b)	Pyruvate kinase C-terminal domain-like	PK C-terminal domain-like	Pyruvate kinase, C-terminal domain	Pyruvate kinase, C-terminal domain	(Leishmania mexicana ) [TaxId: 5665 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	PK C-terminal domain-like	8044406	3000442	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Phosphoenolpyruvate/pyruvate domain	8043649	3000510	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Phosphoenolpyruvate/pyruvate domain	8043649	3000510	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	PK beta-barrel domain-like	8042557	3001296	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Phosphoenolpyruvate/pyruvate domain	8043649	3000510	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	PK C-terminal domain-like	8044406	3000442	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Phosphoenolpyruvate/pyruvate domain	8043649	3000510	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)
B	TbpB_A	e3srkB1	A: alpha arrays	X: Ribosomal protein L31e-like	H: Reductive activator for corrinoid/iron-sulfur protein second domain	T: Reductive activator for corrinoid/iron-sulfur protein second domain	F: TbpB_A	ECOD (v295.2)
A	PK	e3srkA4	A: alpha arrays	X: Alpha-beta plaits	H: Protease propeptides/inhibitors	T: Protease propeptides/inhibitors	F: PK	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.40.1380.20	Alpha Beta	3-Layer(aba) Sandwich	Pyruvate Kinase	Chain: A, domain 1	CATH (4.3.0)
B	3.20.20.60	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Phosphoenolpyruvate-binding domains	CATH (4.3.0)
A	3.40.1380.20	Alpha Beta	3-Layer(aba) Sandwich	Pyruvate Kinase	Chain: A, domain 1	CATH (4.3.0)
A	3.20.20.60	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Phosphoenolpyruvate-binding domains	CATH (4.3.0)
A	2.40.33.10	Mainly Beta	Beta Barrel	M1 Pyruvate Kinase	Domain 3	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Pyruvate kinase	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding potassium ion binding alkali metal ion binding pyruvate kinase activity transferase activity catalytic activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups	response to stimulus response to stress	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR015795	Pyruvate kinase, C-terminal	Domain
A, B	IPR015813	Pyruvate/Phosphoenolpyruvate kinase-like domain superfamily	Homologous Superfamily
A, B	IPR011037	Pyruvate kinase-like, insert domain superfamily	Homologous Superfamily
A, B	IPR015806	Pyruvate kinase, insert domain superfamily	Homologous Superfamily
A, B	IPR036918	Pyruvate kinase, C-terminal domain superfamily	Homologous Superfamily
A, B	IPR001697	Pyruvate kinase	Family
A, B	IPR018209	Pyruvate kinase, active site	Active Site
A, B	IPR040442	Pyruvate kinase-like domain superfamily	Homologous Superfamily
A, B	IPR015793	Pyruvate kinase, barrel	Domain