Purification notesThis antibody was affinity purified using an epitope specific to LMP1 immobilized on solid support. The epitope maps to a region between residue 407 and 457 of human LIM mineralization protein 1 using the numbering given in entry NP_005442.2 (GeneID 9260).
FunctionMay function as a scaffold on which the coordinated assembly of proteins can occur. May play a role as an adapter that, via its PDZ domain, localizes LIM-binding proteins to actin filaments of both skeletal muscle and nonmuscle tissues. Involved in both of the two fundamental mechanisms of bone formation, direct bone formation (e.g. embryonic flat bones mandible and cranium), and endochondral bone formation (e.g. embryonic long bone development). Plays a role during fracture repair. Involved in BMP6 signaling pathway.
Tissue specificityIsoform 1 and isoform 2 are expressed ubiquitously, however, isoform 2 predominates in skeletal muscle, isoform 1 is more abundant in lung, spleen, leukocytes and fetal liver.
DomainThe LIM zinc-binding 2 (LIM 2) domain interacts with TBX4. The LIM zinc-binding 3 (LIM 3) domain provides the structural basis for recognition of tyrosine-containing tight turn structures. This domain is necessary and sufficient for interaction with TBX5. Anchored to cell periphery via its N-terminal PDZ domain.
Cellular localizationCytoplasm. Cytoplasm > cytoskeleton. Colocalizes with RET to the cell periphery and in some cytoskeletal components. Colocalizes with TPM2 near the Z line in muscle. Co-localizes with TBX4 and TBX5 to actin filaments.