Annotations: 9U4P

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Keratin, type I cytoskeletal 19	structural molecule activity structural constituent of muscle structural constituent of skin epidermis protein-containing complex binding binding structural constituent of cytoskeleton	response to stimulus response to hormone response to endogenous stimulus response to chemical response to estrogen developmental process tissue morphogenesis anatomical structure morphogenesis epithelium development anatomical structure development morphogenesis of an epithelium tissue development cellular developmental process cell differentiation response to stimulus response to hormone response to endogenous stimulus response to chemical response to estrogen developmental process tissue morphogenesis anatomical structure morphogenesis epithelium development anatomical structure development morphogenesis of an epithelium tissue development cellular developmental process cell differentiation cellular process epithelial cell differentiation cellular response to stimulus regulation of biological process regulation of cellular process cell surface receptor signaling pathway signaling biological regulation cell communication Notch signaling pathway signal transduction cellular component organization intermediate filament organization intermediate filament-based process organelle organization cellular component organization or biogenesis supramolecular fiber organization cytoskeleton organization intermediate filament cytoskeleton organization cellular component assembly involved in morphogenesis cell development membraneless organelle assembly muscle cell differentiation cellular component biogenesis muscle structure development striated muscle cell development cellular anatomical entity morphogenesis cellular component assembly muscle cell development sarcomere organization actin filament-based process actomyosin structure organization actin cytoskeleton organization organelle assembly myofibril assembly anatomical structure formation involved in morphogenesis striated muscle cell differentiation cell differentiation involved in embryonic placenta development multicellular organismal process placenta development reproductive process chordate embryonic development animal organ development developmental process involved in reproduction embryo development in utero embryonic development multicellular organism development embryonic placenta development embryo development ending in birth or egg hatching embryonic organ development	intracellular anatomical structure intracellular membraneless organelle Z disc sarcomere intracellular organelle I band cellular anatomical structure organelle membraneless organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer intracellular anatomical structure intracellular membraneless organelle Z disc sarcomere intracellular organelle I band cellular anatomical structure organelle membraneless organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex cell cortex cortical cytoskeleton actin cytoskeleton cell periphery cytoskeleton cortical actin cytoskeleton terminal web extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region vesicle extracellular membrane-bounded organelle polymeric cytoskeletal fiber intermediate filament cytoskeleton intermediate filament cytosol sarcolemma plasma membrane membrane costamere apicolateral plasma membrane plasma membrane region glycoprotein complex protein-containing complex plasma membrane protein complex membrane protein complex dystrophin-associated glycoprotein complex keratin filament

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR018039	Intermediate filament protein, conserved site	Conserved Site
A	IPR039008	Intermediate filament, rod domain	Domain
A	IPR002957	Keratin, type I	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P08727	esophageal squamous cell carcinoma asthma Liver Cirrhosis, Experimental autoimmune disease cholangitis hepatitis liver disease psoriasis cancer

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.