Annotations: 2LPE

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	KSR1-SAM_C	e2lpeA2	A: alpha arrays	X: HhH/H2TH	H: SAM/DNA-glycosylase	T: SAM domain-like	F: KSR1-SAM_C	ECOD (1.6)
A	KSR1-SAM_N	e2lpeA1	A: alpha bundles	X: Kinase suppressor of Ras 1 helical hairpin domain (From Topology)	H: Kinase suppressor of Ras 1 helical hairpin domain (From Topology)	T: Kinase suppressor of Ras 1 helical hairpin domain	F: KSR1-SAM_N	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	6.10.140.1120	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)
A	1.10.150.50	Mainly Alpha	Orthogonal Bundle	DNA polymerase	domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF20406	Kinase suppressor RAS 1 N-terminal helical hairpin (SAM_KSR1_N)	Kinase suppressor RAS 1 N-terminal helical hairpin		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Kinase suppressor of Ras 1	protein serine/threonine kinase activity catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups histone H2AS121 kinase activity histone modifying activity histone H2A kinase activity catalytic activity histone kinase activity AMP-activated protein kinase activity protein binding protein serine/threonine kinase activity catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups histone H2AS121 kinase activity histone modifying activity histone H2A kinase activity catalytic activity histone kinase activity AMP-activated protein kinase activity protein binding binding kinase binding enzyme binding protein kinase binding mitogen-activated protein kinase kinase binding DNA-dependent protein kinase activity histone H3T45 kinase activity histone H3 kinase activity eukaryotic translation initiation factor 2alpha kinase activity protein-folding chaperone binding 14-3-3 protein binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding MAP-kinase scaffold activity protein-macromolecule adaptor activity molecular adaptor activity signaling adaptor activity histone H3T6 kinase activity histone H3T3 kinase activity cation binding metal ion binding histone H2BS14 kinase activity histone H2B kinase activity histone H3S57 kinase activity Hsp90 protein binding heat shock protein binding Rho-dependent protein serine/threonine kinase activity histone H2AT120 kinase activity histone H2AXS139 kinase activity histone H2AX kinase activity histone H4S1 kinase activity histone H4 kinase activity protein serine kinase activity histone H3T11 kinase activity histone H3S28 kinase activity 3-phosphoinositide-dependent protein kinase activity histone H2BS36 kinase activity histone H2AS1 kinase activity ribosomal protein S6 kinase activity histone H3S10 kinase activity	regulation of cellular process regulation of protein modification process regulation of catalytic activity regulation of protein phosphorylation regulation of transferase activity regulation of MAP kinase activity regulation of primary metabolic process regulation of phosphate metabolic process phosphate-containing compound metabolic process protein metabolic process phosphorus metabolic process protein modification process regulation of biological process protein phosphorylation regulation of cellular process regulation of protein modification process regulation of catalytic activity regulation of protein phosphorylation regulation of transferase activity regulation of MAP kinase activity regulation of primary metabolic process regulation of phosphate metabolic process phosphate-containing compound metabolic process protein metabolic process phosphorus metabolic process protein modification process regulation of biological process protein phosphorylation phosphorylation regulation of protein metabolic process biological regulation primary metabolic process regulation of protein kinase activity regulation of macromolecule metabolic process regulation of molecular function regulation of kinase activity regulation of protein serine/threonine kinase activity macromolecule modification regulation of phosphorylation regulation of phosphorus metabolic process cellular process metabolic process macromolecule metabolic process regulation of metabolic process cellular response to stimulus small GTPase-mediated signal transduction response to stimulus signaling Ras protein signal transduction intracellular signal transduction cell communication intracellular signaling cassette signal transduction positive regulation of cell communication positive regulation of signal transduction positive regulation of biological process regulation of signal transduction positive regulation of response to stimulus regulation of intracellular signal transduction positive regulation of cellular process regulation of signaling positive regulation of MAPK cascade positive regulation of intracellular signal transduction regulation of MAPK cascade regulation of response to stimulus MAPK cascade regulation of cell communication positive regulation of signaling cell population proliferation regulation of cell population proliferation	cellular anatomical structure membrane intracellular anatomical structure cytoplasm cytosol ruffle cell leading edge plasma membrane leading edge membrane plasma membrane bounded cell projection cell periphery cell projection ruffle membrane plasma membrane region cellular anatomical structure membrane intracellular anatomical structure cytoplasm cytosol ruffle cell leading edge plasma membrane leading edge membrane plasma membrane bounded cell projection cell periphery cell projection ruffle membrane plasma membrane region cell projection membrane protein-containing complex membrane-bounded organelle organelle subcompartment intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum organelle membrane endoplasmic reticulum membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR000719	Protein kinase domain	Domain
A	IPR046933	Kinase suppressor RAS 1, N-terminal helical hairpin superfamily	Homologous Superfamily
A	IPR001245	Serine-threonine/tyrosine-protein kinase, catalytic domain	Domain
A	IPR002219	Protein kinase C-like, phorbol ester/diacylglycerol-binding domain	Domain
A	IPR013761	Sterile alpha motif/pointed domain superfamily	Homologous Superfamily
A	IPR011009	Protein kinase-like domain superfamily	Homologous Superfamily
A	IPR050167	Serine/threonine-protein kinase	Family
A	IPR046861	Kinase suppressor RAS 1, N-terminal helical hairpin	Domain
A	IPR046349	C1-like domain superfamily	Homologous Superfamily
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 R01GM157729.