6ECH | pdb_00006ech

Pyruvate Kinase Isoform L-type with phosphorylated Ser12 (pS12) in complex with FBP

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Protein Modification Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	SBP_bac_6	e6echA1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: DUF1107-like	T: DUF1107-like	F: SBP_bac_6	ECOD (v294.1)
C	SBP_bac_6	e6echC1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: DUF1107-like	T: DUF1107-like	F: SBP_bac_6	ECOD (v294.1)
D	SBP_bac_6	e6echD1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: DUF1107-like	T: DUF1107-like	F: SBP_bac_6	ECOD (v294.1)
B	SBP_bac_6	e6echB1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: DUF1107-like	T: DUF1107-like	F: SBP_bac_6	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

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

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF02887	Pyruvate kinase, alpha/beta domain (PK_C)	Pyruvate kinase, alpha/beta domain	Pyruvate kinase catalyses the final step in glycolysis, the conversion of phosphoenolpyruvate to pyruvate with concomitant phosphorylation of ADP to ATP [1,2]. The structure of several pyruvate kinases from various organisms have been determined [2, ...	Pyruvate kinase catalyses the final step in glycolysis, the conversion of phosphoenolpyruvate to pyruvate with concomitant phosphorylation of ADP to ATP [1,2]. The structure of several pyruvate kinases from various organisms have been determined [2, 3,4]. The protein comprises three-four domains: a small N-terminal helical domain (absent in bacterial PK), a beta/alpha barrel domain, a beta-barrel domain (inserted within the beta/alpha-barrel domain), and a 3-layer alpha/beta/alpha sandwich domain (represented in this entry). This domain is at the C-terminal of pyruvate kinases and contains the FBP (fructose 1,6-bisphosphate) binding site [2,4,5].	Domain
A, B, C, D	PF00224	Pyruvate kinase, barrel domain (PK)	Pyruvate kinase, barrel domain	This is the barrel domain of pyruvate kinases. This domain represents the beta/alpha barrel and the small beta-barrel domain inserted within it. The active site is found in a cleft between the two domains [1,2,3,4].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Pyruvate kinase PKLR	cation binding ion binding binding potassium ion binding alkali metal ion binding metal ion binding small molecule binding kinase activity transferase activity catalytic activity transferase activity, transferring phosphorus-containing groups monosaccharide binding carbohydrate binding magnesium ion binding cation binding ion binding binding potassium ion binding alkali metal ion binding metal ion binding small molecule binding kinase activity transferase activity catalytic activity transferase activity, transferring phosphorus-containing groups monosaccharide binding carbohydrate binding magnesium ion binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding pyruvate kinase activity phosphotransferase activity, alcohol group as acceptor	response to stimulus response to metal ion response to chemical biological process involved in interspecies interaction between organisms response to other organism response to external stimulus response to external biotic stimulus response to biotic stimulus response to hexose response to monosaccharide response to carbohydrate response to glucose response to oxygen-containing compound cellular response to stimulus response to stimulus response to metal ion response to chemical biological process involved in interspecies interaction between organisms response to other organism response to external stimulus response to external biotic stimulus response to biotic stimulus response to hexose response to monosaccharide response to carbohydrate response to glucose response to oxygen-containing compound cellular response to stimulus cellular response to chemical stimulus response to epinephrine cellular response to epinephrine stimulus cellular process ribonucleotide catabolic process pyridine nucleotide catabolic process aerobic respiration oxoacid metabolic process carbohydrate catabolic process carbohydrate derivative metabolic process organophosphate catabolic process nucleoside phosphate catabolic process organic acid metabolic process nucleobase-containing compound metabolic process glycolytic process phosphate-containing compound metabolic process pyridine-containing compound metabolic process small molecule metabolic process purine ribonucleotide catabolic process phosphorus metabolic process nucleoside phosphate metabolic process nicotinamide nucleotide metabolic process pyruvate metabolic process purine nucleoside diphosphate metabolic process primary metabolic process purine-containing compound catabolic process nucleotide metabolic process nucleobase-containing compound catabolic process nucleoside diphosphate metabolic process purine nucleoside diphosphate catabolic process nucleoside diphosphate catabolic process metabolic process nucleoside triphosphate metabolic process monocarboxylic acid metabolic process purine ribonucleotide metabolic process pyridine-containing compound catabolic process ribose phosphate metabolic process cellular respiration catabolic process ATP metabolic process energy derivation by oxidation of organic compounds purine nucleotide metabolic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process purine ribonucleoside triphosphate metabolic process ribonucleoside diphosphate metabolic process ribonucleoside diphosphate catabolic process nucleotide catabolic process purine nucleoside triphosphate metabolic process purine nucleotide catabolic process carbohydrate metabolic process carbohydrate derivative catabolic process ADP catabolic process carboxylic acid metabolic process generation of precursor metabolites and energy purine-containing compound metabolic process ADP metabolic process organophosphate metabolic process purine ribonucleoside diphosphate metabolic process purine ribonucleoside diphosphate catabolic process response to organophosphorus response to nitrogen compound response to ATP response to purine-containing compound response to decreased oxygen levels response to hypoxia response to stress response to oxygen levels response to abiotic stimulus response to cAMP cellular response to nitrogen compound response to endogenous stimulus response to peptide hormone cellular response to peptide hormone stimulus cellular response to oxygen-containing compound cellular response to endogenous stimulus response to hormone response to insulin cellular response to insulin stimulus cellular response to hormone stimulus response to nutrient levels response to nutrient monocarboxylic acid biosynthetic process small molecule biosynthetic process organic acid biosynthetic process carboxylic acid biosynthetic process biosynthetic process pyruvate biosynthetic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane membrane transferase complex, transferring phosphorus-containing groups protein-containing complex pyruvate kinase complex catalytic complex transferase complex

InterPro: Protein Family Classification InterPro Database Homepage

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

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, B, C, D	SEP	Parent Component: SER RESID: AA0037 PSI-MOD : O-phospho-L-serine MOD:00046

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

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