LDB3

LIM domain binding 3

PDB rendering based on 1rgw.
Available structures
PDB Ortholog search: PDBe, RCSB
Identifiers
SymbolsLDB3 ; CMD1C; CMPD3; CYPHER; LDB3Z1; LDB3Z4; LVNC3; MFM4; ORACLE; PDLIM6; ZASP
External IDsOMIM: 605906 MGI: 1344412 HomoloGene: 134626 GeneCards: LDB3 Gene
RNA expression pattern
More reference expression data
Orthologs
SpeciesHumanMouse
Entrez1115524131
EnsemblENSG00000122367ENSMUSG00000021798
UniProtO75112Q9JKS4
RefSeq (mRNA)NM_001080114NM_001039071
RefSeq (protein)NP_001073583NP_001034160
Location (UCSC)Chr 10:
88.43 – 88.5 Mb
Chr 14:
34.53 – 34.59 Mb
PubMed search

LIM domain binding 3, also known as LDB3 or ZASP, is a protein which in humans is encoded by the LDB3 gene.[1][2]

Function

This gene encodes a PDZ domain-containing protein. PDZ motifs are modular protein-protein interaction domains consisting of 80-120 amino acid residues. PDZ domain-containing proteins interact with each other in cytoskeletal assembly or with other proteins involved in targeting and clustering of membrane proteins. The protein encoded by this gene interacts with alpha-actinin-2 through its N-terminal PDZ domain and with protein kinase C via its C-terminal LIM domains. The LIM domain is a cysteine-rich motif defined by 50-60 amino acids containing two zinc-binding modules. This protein also interacts with all three members of the myozenin family. Alternatively spliced transcript variants encoding different isoforms have been identified; all isoforms have N-terminal PDZ domains while only longer isoforms (1 and 2) have C-terminal LIM domains.[1]

Clinical significance

Mutations in this gene have been associated with myofibrillar myopathy[3] and dilated cardiomyopathy.[4][5]

See also

References

  1. 1.0 1.1 "Entrez Gene: LDB3 LIM domain binding 3".
  2. Faulkner G, Pallavicini A, Formentin E, Comelli A, Ievolella C, Trevisan S, Bortoletto G, Scannapieco P, Salamon M, Mouly V, Valle G, Lanfranchi G (July 1999). "ZASP: a new Z-band alternatively spliced PDZ-motif protein" (). J. Cell Biol. 146 (2): 465–75. doi:10.1083/jcb.146.2.465. PMC 3206570. PMID 10427098.
  3. Selcen D, Engel AG (February 2005). "Mutations in ZASP define a novel form of muscular dystrophy in humans". Ann. Neurol. 57 (2): 269–76. doi:10.1002/ana.20376. PMID 15668942.
  4. Vatta M, Mohapatra B, Jimenez S, Sanchez X, Faulkner G, Perles Z, Sinagra G, Lin JH, Vu TM, Zhou Q, Bowles KR, Di Lenarda A, Schimmenti L, Fox M, Chrisco MA, Murphy RT, McKenna W, Elliott P, Bowles NE, Chen J, Valle G, Towbin JA (December 2003). "Mutations in Cypher/ZASP in patients with dilated cardiomyopathy and left ventricular non-compaction". J. Am. Coll. Cardiol. 42 (11): 2014–27. doi:10.1016/j.jacc.2003.10.021. PMID 14662268.
  5. Arimura T, Hayashi T, Terada H, Lee SY, Zhou Q, Takahashi M, Ueda K, Nouchi T, Hohda S, Shibutani M, Hirose M, Chen J, Park JE, Yasunami M, Hayashi H, Kimura A (February 2004). "A Cypher/ZASP mutation associated with dilated cardiomyopathy alters the binding affinity to protein kinase C". J. Biol. Chem. 279 (8): 6746–52. doi:10.1074/jbc.M311849200. PMID 14660611.

Further reading

This article incorporates text from the United States National Library of Medicine, which is in the public domain.

External links