Gene Information
Gene NameTAP
OrganismHomo sapiens (Human)
Gene Length2602
Protein NamesFilamin-B (FLN-B) (ABP-278) (ABP-280 homolog) (Actin-binding-like protein) (Beta-filamin) (Filamin homolog 1) (Fh1) (Filamin-3) (Thyroid autoantigen) (Truncated actin-binding protein) (Truncated ABP)
Target NameNA
Target TypeNA
Gene AgeNA
Evolutionary StageNA
AlphaFoldDBO75369
Gene CardFLNB
Uniprot IDO75369
PfamPF00307; PF00630
In ASDno
Allosteric PredictionNA
Ortholog in AnimalsNA
OhnologsNA
ParalogsNA
TissueNA
Tissue SpecificityUbiquitous. Isoform 1 and isoform 2 are expressed in placenta, bone marrow, brain, umbilical vein endothelial cells (HUVEC), retina and skeletal muscle. Isoform 1 is predominantly expressed in prostate, uterus, liver, thyroid, stomach, lymph node, small intestine, spleen, skeletal muscle, kidney, placenta, pancreas, heart, lung, platelets, endothelial cells, megakaryocytic and erythroleukemic cell lines. Isoform 2 is predominantly expressed in spinal cord, platelet and Daudi cells. Also expressed in thyroid adenoma, neurofibrillary tangles (NFT), senile plaques in the hippocampus and cerebral cortex in Alzheimer disease (AD). Isoform 3 and isoform 6 are expressed predominantly in lung, heart, skeletal muscle, testis, spleen, thymus and leukocytes. Isoform 4 and isoform 5 are expressed in heart. {ECO:0000269|PubMed:11807098, ECO:0000269|PubMed:8327473, ECO:0000269|PubMed:9651345, ECO:0000269|PubMed:9694715}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 2DI8  (NMR  2DI9  (NMR  2DIA  (NMR  2DIB  (NMR  2DIC  (NMR  2DJ4  (NMR  2DLG  (NMR  2DMB  (NMR  2DMC  (NMR  2E9I  (NMR  2E9J  (NMR  2EE6  (NMR  2EE9  (NMR  2EEA  (NMR  2EEB  (NMR  2EEC  (NMR  2EED  (NMR  2WA5  (X-ray  1.90A  2WA6  (X-ray  1.95A  2WA7  (X-ray  1.85A  3FER  (X-ray  2.40A  4B7L  (X-ray  2.05A  5DCP  (X-ray  2.49A 
DBSNP rs80356506  rs80356504  rs80356494  rs121908894  rs121908895  rs80356508  rs80356507  rs121908896  rs80356509  rs80356510  rs150747960  rs28937587  rs2276742  rs1131356  rs17058845  rs80356511  rs12632456  rs80356512  rs80356513  rs80356514  rs80356515  rs80356503  rs80356516 
Subcellular location [CC][Isoform 1]: Cytoplasm, cell cortex. Cytoplasm, cytoskeleton. Cytoplasm, cytoskeleton, stress fiber. Cytoplasm, myofibril, sarcomere, Z line. Note=In differentiating myotubes, isoform 1, isoform 2 and isoform 3 are localized diffusely throughout the cytoplasm with regions of enrichment at the longitudinal actin stress fiber. In differentiated tubes, isoform 1 is also detected within the Z-lines.;
[Isoform 2]: Cytoplasm, cytoskeleton, stress fiber.;
[Isoform 3]: Cytoplasm, cytoskeleton, stress fiber.;
[Isoform 6]: Cytoplasm, cytoskeleton. Note=Polarized at the periphery of myotubes.
Mouse PG classificationNA
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