1Q69 | pdb_00001q69

Solution structure of T-cell surface glycoprotein CD8 alpha chain and Proto-oncogene tyrosine-protein kinase LCK fragments

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1q69b_	Peptides	Proto-oncogene tyrosine-protein kinase lck CD4/CD8 interacting region	Proto-oncogene tyrosine-protein kinase lck CD4/CD8 interacting region	Proto-oncogene tyrosine-protein kinase lck CD4/CD8 interacting region	Proto-oncogene tyrosine-protein kinase lck CD4/CD8 interacting region	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d1q69a_	Peptides	CD4 and CD8 receptor regions	CD4 and CD8 receptor regions	CD4 and CD8 receptor regions	T-cell surface glycoprotein CD8 alpha chain	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	Proto-oncogene tyrosine-protein kinase LCK	protein antigen binding protein binding binding antigen binding phosphoric ester hydrolase activity phosphoprotein phosphatase activity protein serine/threonine phosphatase activity catalytic activity, acting on a protein hydrolase activity, acting on ester bonds phosphatase activity hydrolase activity catalytic activity phosphatidylinositol 3-kinase binding phosphoprotein binding protein antigen binding protein binding binding antigen binding phosphoric ester hydrolase activity phosphoprotein phosphatase activity protein serine/threonine phosphatase activity catalytic activity, acting on a protein hydrolase activity, acting on ester bonds phosphatase activity hydrolase activity catalytic activity phosphatidylinositol 3-kinase binding phosphoprotein binding phosphotyrosine residue binding protein phosphorylated amino acid binding protein phosphatase binding phosphatase binding enzyme binding protein tyrosine kinase activity kinase activity protein kinase activity transferase activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups 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 non-membrane spanning protein tyrosine kinase activity protein-containing complex binding signaling receptor binding T cell receptor binding ATPase binding identical protein binding phospholipase binding CD8 receptor binding SH2 domain binding protein domain specific binding CD4 receptor binding kinase binding protein kinase binding enzyme regulator activity enzyme activator activity molecular function activator activity phospholipase activator activity molecular function regulator activity lipase activator activity	response to stimulus response to chemical response to xenobiotic stimulus protein phosphorylation protein autophosphorylation phosphorylation primary metabolic process peptidyl-tyrosine modification peptidyl-tyrosine autophosphorylation macromolecule modification peptidyl-amino acid modification phosphate-containing compound metabolic process metabolic process cellular process response to stimulus response to chemical response to xenobiotic stimulus protein phosphorylation protein autophosphorylation phosphorylation primary metabolic process peptidyl-tyrosine modification peptidyl-tyrosine autophosphorylation macromolecule modification peptidyl-amino acid modification phosphate-containing compound metabolic process metabolic process cellular process protein metabolic process macromolecule metabolic process peptidyl-tyrosine phosphorylation protein modification process phosphorus metabolic process regulation of biosynthetic process regulation of biological process regulation of cellular process biological regulation positive regulation of biological process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process positive regulation of macromolecule biosynthetic process regulation of gene expression positive regulation of metabolic process biosynthetic process positive regulation of gene expression positive regulation of biosynthetic process regulation of macromolecule biosynthetic process positive regulation of macromolecule metabolic process regulation of metabolic process positive regulation of cellular process developmental process cellular developmental process hemopoiesis cell differentiation anatomical structure development cell development multicellular organismal process cell activation mononuclear cell differentiation lymphocyte activation lymphocyte differentiation leukocyte activation T cell activation immune system process T cell differentiation leukocyte differentiation regulation of body fluid levels wound healing hemostasis blood coagulation response to stress coagulation regulation of biological quality response to wounding platelet activation cellular response to stimulus positive regulation of cell communication immune response-regulating cell surface receptor signaling pathway positive regulation of signal transduction positive regulation of T cell receptor signaling pathway signaling regulation of antigen receptor-mediated signaling pathway regulation of signal transduction cell communication positive regulation of response to stimulus immune response-activating signaling pathway immune response-regulating signaling pathway positive regulation of immune response regulation of immune system process signal transduction positive regulation of immune system process regulation of signaling cell surface receptor signaling pathway immune response-activating cell surface receptor signaling pathway immune response regulation of T cell receptor signaling pathway T cell receptor signaling pathway regulation of response to stimulus regulation of immune response regulation of cell communication antigen receptor-mediated signaling pathway activation of immune response positive regulation of antigen receptor-mediated signaling pathway positive regulation of signaling regulation of leukocyte differentiation regulation of developmental process regulation of leukocyte activation regulation of cell activation regulation of cell differentiation regulation of cell development regulation of T cell differentiation multicellular organism development regulation of multicellular organismal process regulation of lymphocyte differentiation regulation of multicellular organismal development regulation of regulatory T cell differentiation regulation of T cell activation regulatory T cell differentiation regulation of hemopoiesis regulation of lymphocyte activation regulation of programmed cell death regulation of intrinsic apoptotic signaling pathway intracellular signal transduction positive regulation of apoptotic signaling pathway regulation of intracellular signal transduction intrinsic apoptotic signaling pathway positive regulation of programmed cell death regulation of apoptotic process positive regulation of intracellular signal transduction cell death positive regulation of apoptotic process apoptotic signaling pathway positive regulation of intrinsic apoptotic signaling pathway apoptotic process programmed cell death regulation of apoptotic signaling pathway positive regulation of cell adhesion regulation of cell adhesion positive regulation of cell-cell adhesion heterotypic cell-cell adhesion cell adhesion cell-cell adhesion positive regulation of heterotypic cell-cell adhesion regulation of cell-cell adhesion regulation of heterotypic cell-cell adhesion positive regulation of leukocyte cell-cell adhesion leukocyte cell-cell adhesion positive regulation of lymphocyte activation positive regulation of cell activation positive regulation of leukocyte activation positive regulation of T cell activation lymphocyte costimulation regulation of leukocyte cell-cell adhesion positive regulation of multicellular organismal process T cell costimulation B cell receptor signaling pathway positive regulation of T cell differentiation positive regulation of developmental process gamma-delta T cell activation positive regulation of cell development regulation of gamma-delta T cell differentiation positive regulation of hemopoiesis positive regulation of cell differentiation regulation of gamma-delta T cell activation positive regulation of gamma-delta T cell differentiation gamma-delta T cell differentiation positive regulation of leukocyte differentiation positive regulation of gamma-delta T cell activation positive regulation of lymphocyte differentiation Fc receptor signaling pathway Fc-gamma receptor signaling pathway inorganic ion homeostasis cellular homeostasis chemical homeostasis homeostatic process intracellular monoatomic cation homeostasis intracellular zinc ion homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis CD27 signaling pathway leukocyte migration cell migration cell motility regulation of localization cellular localization intracellular calcium ion homeostasis transport monoatomic ion transmembrane transport negative regulation of biological process calcium ion homeostasis negative regulation of sequestering of calcium ion calcium ion transport metal ion transport maintenance of location in cell monoatomic cation transmembrane transport localization negative regulation of cellular process monoatomic ion transport monoatomic cation transport regulation of sequestering of calcium ion calcium ion transmembrane import into cytosol sequestering of calcium ion establishment of localization maintenance of location transmembrane transport release of sequestered calcium ion into cytosol calcium ion transmembrane transport cell surface receptor protein tyrosine kinase signaling pathway enzyme-linked receptor protein signaling pathway	cell-cell junction cellular anatomical structure anchoring junction cell junction extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle intracellular anatomical structure cell-cell junction cellular anatomical structure anchoring junction cell junction extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle intracellular anatomical structure cytoplasm cytosol intracellular membraneless organelle pericentriolar material intracellular organelle centrosome microtubule organizing center cytoskeleton membraneless organelle microtubule cytoskeleton cell periphery plasma membrane membrane membrane microdomain membrane raft immunological synapse
A	T-cell surface glycoprotein CD8 alpha chain	molecular transducer activity coreceptor activity signaling receptor activity protein-containing complex binding binding MHC protein complex binding MHC class I protein complex binding protein binding MHC class I protein binding signaling receptor binding MHC protein binding	multicellular organismal process T cell activation immune system process cell activation cellular process lymphocyte activation leukocyte activation adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity T cell mediated immunity response to stimulus immune response leukocyte mediated immunity adaptive immune response multicellular organismal process T cell activation immune system process cell activation cellular process lymphocyte activation leukocyte activation adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity T cell mediated immunity response to stimulus immune response leukocyte mediated immunity adaptive immune response immune effector process cellular response to stimulus regulation of biological process regulation of cellular process cell surface receptor signaling pathway signaling biological regulation signal transduction cell communication immune response-regulating cell surface receptor signaling pathway positive regulation of biological process positive regulation of response to stimulus 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 T cell receptor signaling pathway regulation of response to stimulus regulation of immune response antigen receptor-mediated signaling pathway activation of immune response cell surface receptor protein tyrosine kinase signaling pathway enzyme-linked receptor protein signaling pathway developmental process cytotoxic T cell differentiation cellular developmental process hemopoiesis cell development mononuclear cell differentiation lymphocyte differentiation cell differentiation anatomical structure development T cell differentiation leukocyte differentiation antigen processing and presentation	protein-containing complex receptor complex cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane plasma membrane protein complex plasma membrane signaling receptor complex membrane protein complex T cell receptor complex extracellular region protein-containing complex receptor complex cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane plasma membrane protein complex plasma membrane signaling receptor complex membrane protein complex T cell receptor complex extracellular region membrane microdomain membrane raft plasma membrane raft plasma membrane region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR008266	Tyrosine-protein kinase, active site	Active Site
B	IPR020635	Tyrosine-protein kinase, catalytic domain	Domain
B	IPR036028	SH3-like domain superfamily	Homologous Superfamily
B	IPR000719	Protein kinase domain	Domain
B	IPR035850	Tyrosine-protein kinase Lck, SH2 domain	Domain
B	IPR001452	SH3 domain	Domain
B	IPR017441	Protein kinase, ATP binding site	Binding Site
B	IPR036860	SH2 domain superfamily	Homologous Superfamily
B	IPR000980	SH2 domain	Domain
B	IPR001245	Serine-threonine/tyrosine-protein kinase, catalytic domain	Domain
B	IPR035749	Lck, SH3 domain	Domain
B	IPR011009	Protein kinase-like domain superfamily	Homologous Superfamily
B	IPR050198	Non-receptor tyrosine kinases involved in cell signaling	Family
A	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A	IPR015468	CD8 alpha subunit	Family
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR013106	Immunoglobulin V-set domain	Domain
A	IPR003599	Immunoglobulin domain subtype	Domain
A	IPR007110	Immunoglobulin-like domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B	Pharos: P06239	severe combined immunodeficiency due to LCK deficiency cancer atopic eczema cutaneous lupus erythematosus Philadelphia Chromosome Positive Chronic Myelocytic Leukemia renal cell carcinoma B-cell chronic lymphocytic leukemia interstitial cystitis sarcoidosis Sjogren syndrome osteosarcoma psoriasis ulcerative colitis
A	Pharos: P01732	susceptibility to respiratory infections associated with CD8alpha chain mutation DOID:0081062 thrombocytopenia hepatitis B virus infection urinary bladder disease inflammatory bowel disease vasculitis kidney disease lung cancer lymphopenia agammaglobulinemia arthritic joint disease mouth disease bone marrow disease ovarian disease susceptibility to respiratory infections associated with CD8alpha chain mutation DOID:0081062 thrombocytopenia hepatitis B virus infection urinary bladder disease inflammatory bowel disease vasculitis kidney disease lung cancer lymphopenia agammaglobulinemia arthritic joint disease mouth disease bone marrow disease ovarian disease psoriasis colonic disease spondyloarthropathy diabetes mellitus encephalitis transitional cell carcinoma HIV infectious disease uterine disease influenza vertebral column disease leishmaniasis lung carcinoma lymphoproliferative syndrome allergic disease asthma neutropenia breast disease pneumonia Sjogren syndrome COVID-19 diarrheal disease tetanus eye disease tuberculosis inborn carbohydrate metabolic disorder vaccinia interstitial lung disease liver disease lymphatic system disease adult acute respiratory distress syndrome anemia malaria autoimmune disease osteosarcoma cancer prostate disease chronic obstructive pulmonary disease skin disease cutaneous lupus erythematosus stomach disease

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.