NP_796343.2
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NCBI GenBank Nucleotide #
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UniProt Primary Accession #
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UniProt Secondary Accession #
UniProt Related Accession #
Molecular Weight
222,708 Da
NCBI Official Full Name
myosin-8
NCBI Official Synonym Full Names
myosin, heavy polypeptide 8, skeletal muscle, perinatal
NCBI Official Synonym Symbols
MHCp; Myhsp; Myhs-p; MyHC-pn; AI327267; 4832426G23Rik [Similar Products]
NCBI Protein Information
myosin-8
UniProt Protein Name
Myosin-8
UniProt Synonym Protein Names
Myosin heavy chain 8; Myosin heavy chain, skeletal muscle, perinatal; MyHC-perinatal
UniProt Synonym Gene Names
UniProt Entry Name
MYH8_MOUSE
NCBI Summary for MYH8
This gene encodes a myosin heavy chain. The encoded protein forms a hexamer with two heavy chains, two alkali light chains, and two regulatory light chain components. This complex functions in muscle contraction. This gene is located in a cluster of related genes on chromosome 11. [provided by RefSeq, Jun 2013]
UniProt Comments for MYH8
MYH8: Muscle contraction. Defects in MYH8 are a cause of Carney complex variant (CACOV). Carney complex is a multiple neoplasia syndrome characterized by spotty skin pigmentation, cardiac and other myxomas, endocrine tumors, and psammomatous melanotic schwannomas. Familial cardiac myxomas are associated with spotty pigmentation of the skin and other phenotypes, including primary pigmented nodular adrenocortical dysplasia, extracardiac (frequently cutaneous) myxomas, schwannomas, and pituitary, thyroid, testicular, bone, ovarian, and breast tumors. Cardiac myxomas do not develop in all patients with the Carney complex, but affected patients have at least two features of the complex or one feature and a clinically significant family history. Defects in MYH8 are a cause of distal arthrogryposis type (DA7). A hereditary distal arthrogryposis characterized by an inability to open the mouth fully (trismus) and pseudocamptodactyly in which wrist dorsiflexion, but not volarflexion, produces involuntary flexion contracture of distal and proximal interphalangeal joints. Such hand and jaw contractures are caused by shortened flexor muscle-tendon units. Similar lower-limb contractures also produce foot deformity. The trismus-pseudocamptodactyly syndrome is a morbid autosomal dominant trait with variable expressivity but high penetrance. In these patients, trismus complicates dental care, feeding during infancy, and intubation for anesthesia, and the pseudocamptodactyly impairs manual dexterity, with consequent occupational and social disability. Many patients require surgical correction of contractures.
Protein type: Motility/polarity/chemotaxis; Motor
Cellular Component: cytoplasm; myosin complex
Molecular Function: microfilament motor activity; protein binding; ATPase activity; nucleotide binding; motor activity; actin binding; ATP binding
Biological Process: skeletal muscle contraction; metabolic process; muscle filament sliding
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Products associated with MYH8 sirna
Pathways associated with MYH8 sirna
Diseases associated with MYH8 sirna
Organs/Tissues associated with MYH8 sirna
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