3KNB | pdb_00003knb

Crystal structure of the titin C-terminus in complex with obscurin-like 1

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
Protein Family Annotation
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)
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)
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)
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)

Domain Annotation: CATH CATH Database Homepage

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

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
B	OBSL1 (obscurin-like-1)	B2M	Homo sapiens (human)	OBSL1	C-LIKE-DOMAIN C-LIKE	RPI	OBSL1	IMGT (202546-0)
A	TITIN	B2M	Homo sapiens (human)	TTN*01	C-LIKE-DOMAIN C-LIKE	RPI	TITIN	IMGT (202546-0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B	PF07679	Immunoglobulin I-set domain (I-set)	Immunoglobulin I-set domain		Domain
A	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
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 localization protein localization to Golgi apparatus protein localization to organelle macromolecule localization intracellular protein localization regulation of biological process mitotic nuclear division regulation of cellular component organization regulation of cellular process cellular component organization organelle organization cellular process cellular component organization or biogenesis cytoskeleton organization localization protein localization to Golgi apparatus protein localization to organelle macromolecule localization intracellular protein 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 cell development membraneless organelle assembly 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 intracellular membraneless organelle sarcomere intracellular organelle cellular anatomical structure organelle membraneless organelle contractile muscle fiber A band cytoplasm supramolecular fiber myofibril supramolecular polymer M band intracellular anatomical structure intracellular membraneless organelle sarcomere intracellular organelle cellular anatomical structure organelle membraneless organelle contractile muscle fiber A band cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex 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
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 anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding enzyme regulator activity molecular function regulator activity protein kinase regulator activity kinase regulator activity 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 protein homodimerization activity protein dimerization 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 regulation of biosynthetic process regulation of biological process regulation of cellular process biological regulation positive regulation of biological 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 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 metabolic process cellular process positive regulation of macromolecule metabolic process macromolecule metabolic process regulation of metabolic process positive regulation of cellular process cellular developmental process cellular component assembly involved in morphogenesis skeletal myofibril assembly cell development membraneless organelle assembly 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 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 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 multicellular organismal movement musculoskeletal movement nervous system process neuromuscular process skeletal muscle contraction muscle filament sliding actin-mediated cell contraction actin filament-based movement actin-myosin filament sliding regulation of localization establishment of protein 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 intracellular protein localization regulation of transport secretion 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 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 intracellular membraneless organelle sarcomere intracellular organelle cellular anatomical structure organelle membraneless organelle contractile muscle fiber A band cytoplasm supramolecular fiber myofibril supramolecular polymer M band intracellular anatomical structure intracellular membraneless organelle sarcomere intracellular organelle cellular anatomical structure organelle membraneless organelle contractile muscle fiber A band cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex Z disc I band extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region extracellular space vesicle extracellular membrane-bounded organelle cytosol protein-containing complex titin-telethonin complex 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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B	IPR003598	Immunoglobulin subtype 2	Domain
B	IPR003599	Immunoglobulin domain subtype	Domain
B	IPR013098	Immunoglobulin I-set	Domain
B	IPR052385	Obscurin and Obscurin-like Regulators	Family
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
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	IPR003599	Immunoglobulin domain subtype	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	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

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
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
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 B-cell chronic lymphocytic leukemia muscle tissue disease 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 dilated cardiomyopathy 1A ovarian serous adenocarcinoma familial hypertrophic cardiomyopathy heart disease kidney Wilms tumor lung cancer arthrogryposis metastatic melanoma muscular disease Charcot-Marie-Tooth disease myopathy, centronuclear, 2 non-small cell lung carcinoma