NP_001093.1
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NCBI GenBank Nucleotide #
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UniProt Primary Accession #
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UniProt Secondary Accession #
UniProt Related Accession #
NCBI Official Full Name
alpha-actinin-1 isoform b
NCBI Official Synonym Full Names
actinin, alpha 1
NCBI Official Synonym Symbols
NCBI Protein Information
alpha-actinin-1; actinin 1 smooth muscle; non-muscle alpha-actinin-1; F-actin cross-linking protein; alpha-actinin cytoskeletal isoform
UniProt Protein Name
Alpha-actinin-1
UniProt Synonym Protein Names
Alpha-actinin cytoskeletal isoform; F-actin cross-linking protein; Non-muscle alpha-actinin-1
UniProt Entry Name
ACTN1_HUMAN
NCBI Summary for ACTN1
Alpha actinins belong to the spectrin gene superfamily which represents a diverse group of cytoskeletal proteins, including the alpha and beta spectrins and dystrophins. Alpha actinin is an actin-binding protein with multiple roles in different cell types. In nonmuscle cells, the cytoskeletal isoform is found along microfilament bundles and adherens-type junctions, where it is involved in binding actin to the membrane. In contrast, skeletal, cardiac, and smooth muscle isoforms are localized to the Z-disc and analogous dense bodies, where they help anchor the myofibrillar actin filaments. This gene encodes a nonmuscle, cytoskeletal, alpha actinin isoform and maps to the same site as the structurally similar erythroid beta spectrin gene. Three transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]
UniProt Comments for ACTN1
Function: F-actin cross-linking protein which is thought to anchor actin to a variety of intracellular structures. This is a bundling protein.
Subunit structure: Homodimer; antiparallel. Interacts with DDN, MYOZ2, PDLIM2, TTID and LPP. Interacts with PSD. Interacts with MICALL2
By similarity. Ref.15 Ref.16 Ref.18 Ref.19
Subcellular location: Cytoplasm › cytoskeleton. Cytoplasm › myofibril › sarcomere › Z line. Cell membrane
By similarity. Cell junction
By similarity. Cell projection › ruffle
By similarity. Note: Colocalizes with MYOZ2 and PPP3CA at the Z-line of heart and skeletal muscle. Colocalizes with PSD in membrane ruffles and central reticular structures
By similarity. Ref.14
Involvement in disease: Bleeding disorder, platelet-type 15 (BDPLT15) [MIM:615193]: An autosomal dominant form of macrothrombocytopenia. Affected individuals usually have no or only mild bleeding tendency, such as epistaxis. Laboratory studies show decreased numbers of large platelets and anisocytosis, but the platelets show no in vitro functional abnormalities.Note: The disease is caused by mutations affecting the gene represented in this entry. Ref.24
Sequence similarities: Belongs to the alpha-actinin family.Contains 1 actin-binding domain.Contains 2 CH (calponin-homology) domains.Contains 2 EF-hand domains.Contains 4 spectrin repeats.
Research Articles on ACTN1
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Products associated with anti-ACTN1 antibody
Pathways associated with anti-ACTN1 antibody
Diseases associated with anti-ACTN1 antibody
Organs/Tissues associated with anti-ACTN1 antibody
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