Annotations: 5YYX

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	SMAD/FHA domain-like	8078537	3000137	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	PF00498	e5yyxA1	A: beta sandwiches	X: SMAD/FHA domain (From Topology)	H: SMAD/FHA domain (From Topology)	T: SMAD/FHA domain	F: PF00498	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00498	FHA domain (FHA)	FHA domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Meiosis-specific serine/threonine-protein kinase MEK1	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity catalytic activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups protein serine/threonine kinase activity protein serine kinase activity	cellular response to stimulus regulation of cellular process regulation of cell cycle phase transition regulation of cellular component organization response to stimulus sexual reproduction signaling regulation of reproductive process reproductive process meiotic recombination checkpoint signaling negative regulation of biological process negative regulation of cell cycle cell cycle phase transition meiotic cell cycle process intracellular signal transduction cellular response to stimulus regulation of cellular process regulation of cell cycle phase transition regulation of cellular component organization response to stimulus sexual reproduction signaling regulation of reproductive process reproductive process meiotic recombination checkpoint signaling negative regulation of biological process negative regulation of cell cycle cell cycle phase transition meiotic cell cycle process intracellular signal transduction cell communication cellular component organization negative regulation of cellular process negative regulation of cell cycle phase transition meiotic nuclear division signal transduction cell cycle cellular component organization or biogenesis regulation of cell cycle negative regulation of meiotic nuclear division cell cycle process regulation of biological process regulation of meiotic cell cycle negative regulation of cellular component organization regulation of cell cycle process meiotic cell cycle organelle fission biological regulation negative regulation of cell cycle process meiotic cell cycle checkpoint signaling regulation of organelle organization cell cycle checkpoint signaling regulation of meiotic nuclear division organelle organization nuclear division negative regulation of nuclear division negative regulation of organelle organization negative regulation of reproductive process regulation of nuclear division cellular process negative regulation of meiotic cell cycle phosphorylation cellular metabolic process phosphate-containing compound metabolic process metabolic process phosphorus metabolic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle nucleus intracellular membrane-bounded organelle cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR017441	Protein kinase, ATP binding site	Binding Site
A	IPR008984	SMAD/FHA domain superfamily	Homologous Superfamily
A	IPR000253	Forkhead-associated (FHA) domain	Domain
A	IPR011009	Protein kinase-like domain superfamily	Homologous Superfamily
A	IPR000719	Protein kinase domain	Domain
A	IPR008271	Serine/threonine-protein kinase, active site	Active Site

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 R01GM133198.