Annotations: 6Y44

14-3-3 Sigma in complex with phosphorylated SOS1 peptide

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Protein Modification Annotation

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	14-3-3 protein	8082819	3001329	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	SpoU_methylase	e6y44A1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: SpoU_methylase	ECOD (v295.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00244	14-3-3 protein (14-3-3)	14-3-3 protein	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B [auth P]	Son of sevenless homolog 1	protein heterodimerization activity protein binding binding protein dimerization activity molecular condensate scaffold activity protein-macromolecule adaptor activity molecular adaptor activity GTPase regulator activity enzyme regulator activity enzyme activator activity GTPase activator activity molecular function activator activity nucleoside-triphosphatase regulator activity molecular function regulator activity protein heterodimerization activity protein binding binding protein dimerization activity molecular condensate scaffold activity protein-macromolecule adaptor activity molecular adaptor activity GTPase regulator activity enzyme regulator activity enzyme activator activity GTPase activator activity molecular function activator activity nucleoside-triphosphatase regulator activity molecular function regulator activity SH3 domain binding protein domain specific binding kinase binding enzyme binding protein kinase binding guanyl-nucleotide exchange factor activity epidermal growth factor receptor binding signaling receptor binding growth factor receptor binding	cellular response to stimulus positive regulation of cell communication small GTPase-mediated signal transduction regulation of cellular process positive regulation of signal transduction response to stimulus signaling regulation of small GTPase mediated signal transduction positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus regulation of intracellular signal transduction intracellular signaling cassette cellular response to stimulus positive regulation of cell communication small GTPase-mediated signal transduction regulation of cellular process positive regulation of signal transduction response to stimulus signaling regulation of small GTPase mediated signal transduction positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus regulation of intracellular signal transduction intracellular signaling cassette signal transduction positive regulation of cellular process regulation of biological process regulation of signaling Rac protein signal transduction biological regulation positive regulation of intracellular signal transduction regulation of Rac protein signal transduction positive regulation of Rac protein signal transduction regulation of response to stimulus regulation of cell communication cellular process positive regulation of small GTPase mediated signal transduction positive regulation of signaling cell surface receptor signaling pathway response to cytokine cytokine-mediated signaling pathway response to peptide response to chemical cellular response to cytokine stimulus immune response-regulating cell surface receptor signaling pathway immune response-activating signaling pathway immune response-regulating signaling pathway positive regulation of immune response regulation of immune system process positive regulation of immune system process immune response-activating cell surface receptor signaling pathway immune response B cell receptor signaling pathway immune system process regulation of immune response antigen receptor-mediated signaling pathway activation of immune response response to stress response to ischemia developmental process multicellular organismal process cellular developmental process peripheral nervous system development cell development nervous system development glial cell development multicellular organism development neurogenesis Schwann cell development gliogenesis glial cell differentiation cell differentiation anatomical structure development animal gross anatomical part developmental process Schwann cell differentiation system development insulin-like growth factor receptor signaling pathway cell surface receptor protein tyrosine kinase signaling pathway enzyme-linked receptor protein signaling pathway positive regulation of ERBB signaling pathway regulation of epidermal growth factor receptor signaling pathway epidermal growth factor receptor signaling pathway positive regulation of epidermal growth factor receptor signaling pathway regulation of ERBB signaling pathway ERBB signaling pathway Ras protein signal transduction T cell activation cell activation lymphocyte activation leukocyte activation cellular response to nitrogen compound response to peptide hormone insulin receptor signaling pathway cellular response to endogenous stimulus response to hormone cellular response to hormone stimulus response to endogenous stimulus response to oxygen-containing compound cellular response to peptide hormone stimulus response to nitrogen compound cellular response to oxygen-containing compound cellular response to chemical stimulus response to insulin cellular response to insulin stimulus axonogenesis cell projection organization plasma membrane bounded cell projection morphogenesis neuron projection development cell morphogenesis cellular component organization cell projection morphogenesis neuron differentiation neuron projection morphogenesis cellular component organization or biogenesis plasma membrane bounded cell projection organization axon guidance axon development cell morphogenesis involved in neuron differentiation generation of neurons anatomical structure morphogenesis neuron projection guidance neuron development Fc receptor signaling pathway Fc-epsilon receptor signaling pathway leukocyte migration cell migration cell motility cellular response to growth factor stimulus neurotrophin TRK receptor signaling pathway neurotrophin signaling pathway response to growth factor cell population proliferation regulation of cell population proliferation myelination axon ensheathment ensheathment of neurons RNA metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of transcription by RNA polymerase II regulation of biosynthetic process primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression biosynthetic process metabolic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription macromolecule metabolic process regulation of metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane membrane synapse cell junction glutamatergic synapse postsynaptic density postsynapse neuron to neuron synapse postsynaptic specialization cellular anatomical structure intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane membrane synapse cell junction glutamatergic synapse postsynaptic density postsynapse neuron to neuron synapse postsynaptic specialization organelle asymmetric synapse somatodendritic compartment cell body neuronal cell body
A	14-3-3 protein sigma	phosphoprotein binding protein binding binding phosphoserine residue binding protein phosphorylated amino acid binding enzyme regulator activity protein kinase inhibitor activity molecular function inhibitor activity molecular function regulator activity enzyme inhibitor activity protein kinase C inhibitor activity protein kinase regulator activity protein serine/threonine kinase inhibitor activity kinase inhibitor activity phosphoprotein binding protein binding binding phosphoserine residue binding protein phosphorylated amino acid binding enzyme regulator activity protein kinase inhibitor activity molecular function inhibitor activity molecular function regulator activity enzyme inhibitor activity protein kinase C inhibitor activity protein kinase regulator activity protein serine/threonine kinase inhibitor activity kinase inhibitor activity kinase regulator activity molecular sequestering activity protein sequestering activity kinase binding enzyme binding protein kinase binding cell adhesion molecule binding cadherin binding identical protein binding	regulation of growth regulation of biological process regulation of cellular process regulation of cellular component organization biological regulation growth positive regulation of biological process positive regulation of cell growth regulation of cell growth cell growth cellular component organization positive regulation of growth cellular process cellular component organization or biogenesis regulation of growth regulation of biological process regulation of cellular process regulation of cellular component organization biological regulation growth positive regulation of biological process positive regulation of cell growth regulation of cell growth cell growth cellular component organization positive regulation of growth cellular process cellular component organization or biogenesis positive regulation of cellular process regulation of localization cellular localization regulation of protein localization negative regulation of biological process negative regulation of protein localization to plasma membrane localization negative regulation of cellular process intracellular protein localization regulation of protein localization to membrane negative regulation of protein localization protein localization to cell periphery protein localization to plasma membrane regulation of protein localization to cell periphery localization within membrane protein localization to membrane negative regulation of protein localization to membrane regulation of cellular localization macromolecule localization negative regulation of protein localization to cell periphery regulation of protein localization to plasma membrane establishment of protein localization nucleocytoplasmic transport transport nuclear transport intracellular transport protein export from nucleus establishment of localization protein transport establishment of localization in cell nuclear export intracellular protein transport epidermal cell division cell division regulation of epidermal cell division regulation of cell division developmental process establishment of skin barrier epithelium development skin development skin epidermis development epidermis development anatomical structure development animal organ development tissue development animal gross anatomical part developmental process regulation of defense response regulation of response to biotic stimulus biological process involved in interspecies interaction between organisms negative regulation of response to biotic stimulus response to stimulus regulation of response to external stimulus response to biotic stimulus response to stress regulation of response to stress innate immune response regulation of immune system process response to external biotic stimulus negative regulation of response to stimulus immune response response to other organism defense response regulation of innate immune response negative regulation of immune response defense response to symbiont response to external stimulus regulation of response to stimulus negative regulation of immune system process immune system process defense response to other organism negative regulation of response to external stimulus negative regulation of defense response regulation of immune response negative regulation of innate immune response cell adhesion cell-cell adhesion regulation of cell adhesion regulation of cell-cell adhesion cellular response to stimulus signaling signal transduction cell communication positive regulation of cell adhesion regulation of protein modification process regulation of catalytic activity regulation of protein phosphorylation negative regulation of phosphate metabolic process negative regulation of catalytic activity regulation of transferase activity regulation of primary metabolic process negative regulation of kinase activity phosphate-containing compound metabolic process negative regulation of protein modification process protein metabolic process protein modification process negative regulation of protein metabolic process negative regulation of macromolecule metabolic process protein phosphorylation phosphorylation regulation of protein metabolic process negative regulation of metabolic process negative regulation of molecular function primary metabolic process negative regulation of protein kinase activity regulation of protein kinase activity regulation of macromolecule metabolic process regulation of molecular function regulation of kinase activity negative regulation of protein phosphorylation macromolecule modification regulation of phosphorylation metabolic process macromolecule metabolic process negative regulation of phosphorylation regulation of metabolic process positive regulation of nucleocytoplasmic transport positive regulation of establishment of protein localization positive regulation of protein transport positive regulation of intracellular transport regulation of protein export from nucleus regulation of intracellular transport regulation of transport regulation of establishment of protein localization regulation of nucleocytoplasmic transport regulation of protein transport positive regulation of protein export from nucleus positive regulation of transport positive regulation of protein localization regulation of intracellular protein transport positive regulation of intracellular protein transport cell death intracellular signal transduction apoptotic signaling pathway cellular response to stress DNA damage response intrinsic apoptotic signaling pathway in response to DNA damage apoptotic process intrinsic apoptotic signaling pathway programmed cell death cAMP/PKA signal transduction intracellular signaling cassette apoptotic mitochondrial changes release of cytochrome c from mitochondria organelle organization mitochondrion organization multicellular organismal process cellular developmental process regulation of developmental process regulation of epidermal cell differentiation regulation of cell differentiation epithelial cell differentiation regulation of epithelial cell differentiation positive regulation of developmental process multicellular organism development positive regulation of cell differentiation cell differentiation regulation of multicellular organismal process regulation of multicellular organismal development epidermal cell differentiation positive regulation of epidermis development positive regulation of epithelial cell differentiation regulation of epidermis development positive regulation of epidermal cell differentiation	extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular organelle extracellular region organelle vesicle extracellular membrane-bounded organelle intracellular anatomical structure cytoplasm cytosol intracellular organelle nucleus extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular organelle extracellular region organelle vesicle extracellular membrane-bounded organelle intracellular anatomical structure cytoplasm cytosol intracellular organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth P]	IPR001849	Pleckstrin homology domain	Domain
B [auth P]	IPR008937	Ras-like guanine nucleotide exchange factor	Family
B [auth P]	IPR019804	Ras guanine-nucleotide exchange factor, conserved site	Conserved Site
B [auth P]	IPR000651	Ras-like guanine nucleotide exchange factor, N-terminal	Domain
B [auth P]	IPR000219	Dbl homology domain	Domain
B [auth P]	IPR011993	PH-like domain superfamily	Homologous Superfamily
B [auth P]	IPR001895	Ras guanine-nucleotide exchange factors catalytic domain	Domain
B [auth P]	IPR009072	Histone-fold	Homologous Superfamily
B [auth P]	IPR036964	Ras guanine-nucleotide exchange factor, catalytic domain superfamily	Homologous Superfamily
B [auth P]	IPR035899	Dbl homology (DH) domain superfamily	Homologous Superfamily
B [auth P]	IPR023578	Ras guanine nucleotide exchange factor domain superfamily	Homologous Superfamily
B [auth P]	IPR055251	SOS1/NGEF-like, PH domain	Domain
A	IPR023409	14-3-3 protein, conserved site	Conserved Site
A	IPR023410	14-3-3 domain	Domain
A	IPR037435	14-3-3 protein sigma	Family
A	IPR036815	14-3-3 domain superfamily	Homologous Superfamily
A	IPR000308	14-3-3 protein	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B [auth P]	: Q07889	Noonan syndrome Noonan syndrome 4 hereditary gingival fibromatosis fibromatosis, gingival, 1 pancreatic ductal adenocarcinoma Adenocarcinoma of Lung Costello syndrome hepatocellular carcinoma hypertrophic cardiomyopathy malignant pancreatic neoplasm osteosarcoma tuberculosis cardiofaciocutaneous syndrome intellectual disability medulloblastoma Noonan syndrome Noonan syndrome 4 hereditary gingival fibromatosis fibromatosis, gingival, 1 pancreatic ductal adenocarcinoma Adenocarcinoma of Lung Costello syndrome hepatocellular carcinoma hypertrophic cardiomyopathy malignant pancreatic neoplasm osteosarcoma tuberculosis cardiofaciocutaneous syndrome intellectual disability medulloblastoma Noonan syndrome with multiple lentigines ovarian cancer Charcot-Marie-Tooth disease hydrops fetalis lung adenocarcinoma osteogenesis imperfecta
A	: P31947	esophageal squamous cell carcinoma squamous cell carcinoma esophageal cancer Lymphatic Metastasis keloid lung adenocarcinoma malignant pancreatic neoplasm non-small cell lung carcinoma ovarian cancer pancreatic intraductal papillary-mucinous neoplasm sarcoidosis cystic fibrosis interstitial cystitis malignant mesothelioma oral cavity neoplasm esophageal squamous cell carcinoma squamous cell carcinoma esophageal cancer Lymphatic Metastasis keloid lung adenocarcinoma malignant pancreatic neoplasm non-small cell lung carcinoma ovarian cancer pancreatic intraductal papillary-mucinous neoplasm sarcoidosis cystic fibrosis interstitial cystitis malignant mesothelioma oral cavity neoplasm pancreatic ductal adenocarcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia spina bifida atypical teratoid rhabdoid tumor diabetes mellitus malignant ependymoma neoplasm of esophagus osteosarcoma pancreatic intraductal papillary-mucinous carcinoma psoriasis breast cancer ductal breast carcinoma in situ hepatocellular carcinoma large cell medulloblastoma lung cancer malignant glioma

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
B [auth P]	SEP	Parent Component: SER : AA0037 : O-phospho-L-serine MOD:00046
A	CSO	Parent Component: CYS : AA0037 , AA0205 : O-phospho-L-serine MOD:00046 , L-cysteine sulfenic acid MOD:00210

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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.