Annotations: 3KNB

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3knba1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d3knba2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	I-set	e3knbA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: I-set	ECOD (1.6)
B	I-set	e3knbB1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: I-set	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF07679	Immunoglobulin I-set domain (I-set)	Immunoglobulin I-set domain	-	Domain
B	PF07679	Immunoglobulin I-set domain (I-set)	Immunoglobulin I-set domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Titin	cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding structural molecule activity structural constituent of muscle alpha-actinin binding actinin binding muscle alpha-actinin binding protein tyrosine kinase activity catalytic activity, acting on a protein kinase activity cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding structural molecule activity structural constituent of muscle alpha-actinin binding actinin binding muscle alpha-actinin binding protein tyrosine kinase activity 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 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 calmodulin binding identical protein binding cation binding calcium ion binding metal ion binding enzyme binding protease binding structural molecule activity conferring elasticity protein serine kinase activity kinase binding protein kinase binding protein serine/threonine kinase activity telethonin binding	multicellular organismal process system process muscle contraction muscle system process striated muscle contraction response to stimulus response to metal ion response to chemical response to calcium ion response to inorganic substance regulation of cellular process cellular biosynthetic process positive regulation of biological process positive regulation of cellular metabolic process multicellular organismal process system process muscle contraction muscle system process striated muscle contraction response to stimulus response to metal ion response to chemical response to calcium ion response to inorganic substance regulation of cellular process cellular biosynthetic process positive regulation of biological process positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process organic substance metabolic process positive regulation of biosynthetic process organic substance biosynthetic process positive regulation of macromolecule metabolic process positive regulation of cellular process regulation of biosynthetic process regulation of biological process cellular metabolic process biological regulation regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of cellular biosynthetic process regulation of gene expression biosynthetic process positive regulation of gene expression regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process regulation of metabolic process positive regulation of cellular biosynthetic process cellular developmental process cellular component assembly involved in morphogenesis non-membrane-bounded organelle assembly skeletal myofibril assembly cell development muscle cell differentiation cellular component organization cellular component biogenesis muscle structure development striated muscle cell development cellular anatomical entity morphogenesis cellular component assembly muscle cell development cell differentiation actin filament-based process anatomical structure development cellular component organization or biogenesis developmental process skeletal muscle thin filament assembly actin cytoskeleton organization actomyosin structure organization organelle assembly actin filament organization anatomical structure morphogenesis organelle organization myofibril assembly anatomical structure formation involved in morphogenesis striated muscle cell differentiation supramolecular fiber organization cytoskeleton organization mitotic nuclear division mitotic chromosome condensation organelle fission chromosome organization sister chromatid segregation mitotic cell cycle nuclear division mitotic cell cycle process chromosome condensation mitotic sister chromatid segregation nuclear chromosome segregation cell cycle chromosome segregation cell cycle process phosphorylation phosphate-containing compound metabolic process phosphorus metabolic process detection of external stimulus detection of stimulus detection of mechanical stimulus detection of muscle stretch response to mechanical stimulus response to external stimulus response to abiotic stimulus detection of abiotic stimulus response to muscle stretch regulation of protein modification process regulation of catalytic activity regulation of protein phosphorylation regulation of transferase activity regulation of primary metabolic process regulation of phosphate metabolic process protein metabolic process protein modification process organonitrogen compound metabolic process protein phosphorylation regulation of protein metabolic process primary metabolic process regulation of protein kinase activity regulation of molecular function regulation of kinase activity macromolecule modification regulation of phosphorylation regulation of phosphorus metabolic process myosin filament assembly protein-containing complex assembly skeletal muscle myosin thick filament assembly protein-containing complex organization myosin filament organization striated muscle myosin thick filament assembly heart development cardiac muscle tissue development heart morphogenesis animal organ development tissue development muscle tissue morphogenesis striated muscle tissue development circulatory system development multicellular organism development tissue morphogenesis cardiac muscle tissue morphogenesis animal organ morphogenesis muscle organ development muscle tissue development muscle organ morphogenesis system development sarcomerogenesis cellular response to stimulus signaling intracellular signal transduction cell communication protein kinase A signaling signal transduction protein localization regulation of localization establishment of protein localization cellular localization nitrogen compound transport regulation of protein localization transport positive regulation of establishment of protein localization positive regulation of secretion by cell protein localization to extracellular region positive regulation of protein transport localization regulation of secretion by cell secretion by cell positive regulation of secretion cellular macromolecule localization regulation of transport secretion organic substance transport regulation of establishment of protein localization establishment of protein localization to extracellular region export from cell regulation of protein transport protein secretion establishment of localization positive regulation of protein secretion regulation of protein secretion regulation of secretion positive regulation of transport protein transport regulation of cellular localization macromolecule localization positive regulation of protein localization muscle hypertrophy cardiac muscle hypertrophy striated muscle hypertrophy cardiac muscle cell development cardiac cell development cardiac muscle cell differentiation cardiocyte differentiation heart process circulatory system process cardiac muscle contraction heart contraction blood circulation cardiac myofibril assembly sarcomere organization	M band intracellular anatomical structure cellular anatomical entity sarcomere intracellular organelle organelle intracellular non-membrane-bounded organelle contractile muscle fiber A band cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex M band intracellular anatomical structure cellular anatomical entity sarcomere intracellular organelle organelle intracellular non-membrane-bounded organelle contractile muscle fiber A band cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex non-membrane-bounded organelle Z disc I band extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region extracellular space vesicle extracellular membrane-bounded organelle cytosol striated muscle thin filament myofilament actin cytoskeleton cytoskeleton condensed nuclear chromosome nucleus membrane-enclosed lumen nuclear chromosome chromosome intracellular membrane-bounded organelle intracellular organelle lumen organelle lumen condensed chromosome nuclear lumen
B	Obscurin-like protein 1	protein-macromolecule adaptor activity cytoskeletal anchor activity molecular adaptor activity	cellular component organization organelle organization cellular process cellular component organization or biogenesis cytoskeleton organization protein localization localization cellular localization protein localization to Golgi apparatus protein localization to organelle cellular macromolecule localization macromolecule localization regulation of biological process mitotic nuclear division cellular component organization organelle organization cellular process cellular component organization or biogenesis cytoskeleton organization protein localization localization cellular localization protein localization to Golgi apparatus protein localization to organelle cellular macromolecule localization macromolecule localization regulation of biological process mitotic nuclear division regulation of cellular component organization regulation of cellular process regulation of cell cycle process organelle fission biological regulation regulation of mitotic nuclear division regulation of organelle organization mitotic cell cycle regulation of mitotic cell cycle nuclear division mitotic cell cycle process regulation of nuclear division cell cycle regulation of cell cycle cell cycle process microtubule cytoskeleton organization microtubule-based process multicellular organismal process cellular developmental process cardiac muscle cell development cellular component assembly involved in morphogenesis non-membrane-bounded organelle assembly cell development muscle cell differentiation striated muscle tissue development cellular component biogenesis muscle structure development multicellular organism development striated muscle cell development cellular anatomical entity morphogenesis cellular component assembly muscle cell development cell differentiation anatomical structure development actin filament-based process cardiac cell development muscle tissue development system development developmental process heart development actomyosin structure organization actin cytoskeleton organization organelle assembly cardiac muscle tissue development animal organ development cardiac muscle cell differentiation tissue development cardiocyte differentiation circulatory system development anatomical structure morphogenesis myofibril assembly cardiac myofibril assembly anatomical structure formation involved in morphogenesis striated muscle cell differentiation supramolecular fiber organization positive regulation of nervous system development cell projection organization regulation of cell differentiation regulation of neurogenesis neuron projection development regulation of cell morphogenesis regulation of cell development positive regulation of developmental process cell projection morphogenesis neuron differentiation neuron projection morphogenesis regulation of dendrite morphogenesis positive regulation of cell projection organization regulation of cell projection organization positive regulation of cell development nervous system development positive regulation of cell morphogenesis generation of neurons regulation of dendrite development positive regulation of multicellular organismal process regulation of neuron projection development positive regulation of cellular component organization regulation of developmental process plasma membrane bounded cell projection morphogenesis positive regulation of biological process cell morphogenesis regulation of nervous system development neurogenesis positive regulation of cell differentiation dendrite development positive regulation of neurogenesis regulation of multicellular organismal process regulation of anatomical structure morphogenesis positive regulation of cellular process regulation of multicellular organismal development plasma membrane bounded cell projection organization positive regulation of dendrite morphogenesis dendrite morphogenesis cell morphogenesis involved in neuron differentiation neuron development regulation of plasma membrane bounded cell projection organization Golgi organization endomembrane system organization	M band intracellular anatomical structure cellular anatomical entity sarcomere intracellular organelle organelle intracellular non-membrane-bounded organelle contractile muscle fiber A band cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex M band intracellular anatomical structure cellular anatomical entity sarcomere intracellular organelle organelle intracellular non-membrane-bounded organelle contractile muscle fiber A band cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex non-membrane-bounded organelle Z disc I band centrosome microtubule organizing center cytoskeleton microtubule cytoskeleton cytosol membrane-bounded organelle Golgi apparatus intracellular membrane-bounded organelle endomembrane system protein-containing complex 3M complex perinuclear region of cytoplasm cell-cell junction intercalated disc anchoring junction cell junction cell-cell contact zone

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A	IPR008266	Tyrosine-protein kinase, active site	Active Site
A	IPR000719	Protein kinase domain	Domain
A	IPR013106	Immunoglobulin V-set domain	Domain
A	IPR015129	Titin, Z repeat	Repeat
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR007110	Immunoglobulin-like domain	Domain
A	IPR004168	PPAK motif	Repeat
A	IPR003599	Immunoglobulin subtype	Domain
A	IPR003598	Immunoglobulin subtype 2	Domain
A	IPR040849	MyBP-C, tri-helix bundle domain	Domain
A	IPR013098	Immunoglobulin I-set	Domain
A	IPR003961	Fibronectin type III	Domain
A	IPR011009	Protein kinase-like domain superfamily	Homologous Superfamily
A	IPR036116	Fibronectin type III superfamily	Homologous Superfamily
B	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B	IPR003599	Immunoglobulin subtype	Domain
B	IPR003598	Immunoglobulin subtype 2	Domain
B	IPR013098	Immunoglobulin I-set	Domain
B	IPR003961	Fibronectin type III	Domain
B	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B	IPR007110	Immunoglobulin-like domain	Domain
B	IPR036116	Fibronectin type III superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q8WZ42	limb-girdle muscular dystrophy dilated cardiomyopathy myopathy myopathy, myofibrillar, 9, with early respiratory failure tibial muscular dystrophy early-onset myopathy with fatal cardiomyopathy autosomal recessive limb-girdle muscular dystrophy type 2J distal myopathy hypertrophic cardiomyopathy 9 dilated cardiomyopathy 1G atrial fibrillation familial dilated cardiomyopathy hypertrophic cardiomyopathy lung adenocarcinoma arrhythmogenic right ventricular cardiomyopathy limb-girdle muscular dystrophy dilated cardiomyopathy myopathy myopathy, myofibrillar, 9, with early respiratory failure tibial muscular dystrophy early-onset myopathy with fatal cardiomyopathy autosomal recessive limb-girdle muscular dystrophy type 2J distal myopathy hypertrophic cardiomyopathy 9 dilated cardiomyopathy 1G atrial fibrillation familial dilated cardiomyopathy hypertrophic cardiomyopathy lung adenocarcinoma arrhythmogenic right ventricular cardiomyopathy Muscle Weakness cardiomyopathy Emery-Dreifuss muscular dystrophy urinary bladder carcinoma familial isolated dilated cardiomyopathy hereditary spastic paraplegia amyotrophic lateral sclerosis lung carcinoma muscle tissue disease B-cell chronic lymphocytic leukemia muscular dystrophy colorectal adenocarcinoma ovarian mucinous adenocarcinoma squamous cell lung carcinoma gastric adenocarcinoma intellectual disability lung large cell carcinoma autosomal recessive centronuclear myopathy Becker muscular dystrophy centronuclear myopathy ovarian serous adenocarcinoma dilated cardiomyopathy 1A familial hypertrophic cardiomyopathy heart disease kidney Wilms tumor lung cancer arthrogryposis metastatic melanoma muscular disease myopathy, centronuclear, 2 Charcot-Marie-Tooth disease non-small cell lung carcinoma
B	Pharos: O75147	3-M syndrome 3M syndrome 2 pancreatic intraductal papillary-mucinous carcinoma plasma cell myeloma Three M Syndrome 1 atypical teratoid rhabdoid tumor large cell medulloblastoma malignant glioma myopathy osteosarcoma pancreatic intraductal papillary-mucinous neoplasm psoriasis breast carcinoma glioblastoma lung cancer 3-M syndrome 3M syndrome 2 pancreatic intraductal papillary-mucinous carcinoma plasma cell myeloma Three M Syndrome 1 atypical teratoid rhabdoid tumor large cell medulloblastoma malignant glioma myopathy osteosarcoma pancreatic intraductal papillary-mucinous neoplasm psoriasis breast carcinoma glioblastoma lung cancer medulloblastoma oligodendroglioma ovarian cancer pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia Sjogren syndrome astrocytic tumor cutaneous lupus erythematosus intellectual disability malignant ependymoma osteogenesis imperfecta