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http://www.biopax.org/relea... | |
http://www.biopax.org/relea... |
Homeobox protein DLX-5
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http://www.biopax.org/relea... |
DLX5_MOUSE
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http://www.biopax.org/relea... | |
http://www.biopax.org/relea... |
FUNCTION: Transcriptional factor involved in bone development. Acts as an immediate early BMP-responsive transcriptional activator essential for osteoblast differentiation. Stimulates ALPL promoter activity in a RUNX2-independent manner during osteoblast differentiation. Stimulates SP7 promoter activity during osteoblast differentiation. Promotes cell proliferation by up-regulating MYC promoter activity. Involved as a positive regulator of both chondrogenesis and chondrocyte hypertrophy in the endochondral skeleton. Binds to the homeodomain-response element of the ALPL and SP7 promoter. Binds to the MYC promoter. Requires the 5'-TAATTA-3' consensus sequence for DNA-binding. SUBUNIT: Interacts with XRCC6 (Ku70) (By similarity). SUBCELLULAR LOCATION: Nucleus. ALTERNATIVE PRODUCTS: Event=Alternative splicing; Named isoforms=3; Name=1; Synonyms=Alpha; IsoId=P70396-1; Sequence=Displayed; Name=2; Synonyms=Beta; IsoId=P70396-2; Sequence=VSP_002239; Name=3; Synonyms=Gamma; IsoId=P70396-3; Sequence=VSP_002237, VSP_002238; TISSUE SPECIFICITY: Expressed in osteoblasts and chondrocytes. DEVELOPMENTAL STAGE: Expressed in the otic vesicle, mandibular arch, branchial arches 2 and 3, in proximal anterior mesodermal domain in the limb, immature and proliferating chondroblasts at 14.5 dpc. INDUCTION: Up-regulated by BMP2. PTM: Phosphorylated. Phosphorylation of Ser-34 and Ser-217 by MAPK14 enhances its transcriptional activity. Phosphorylation by CaMK2 increases its protein stability. SIMILARITY: Belongs to the distal-less homeobox family. SIMILARITY: Contains 1 homeobox DNA-binding domain. COPYRIGHT: Protein annotation is derived from the UniProt Consortium (http://www.uniprot.org/). Distributed under the Creative Commons Attribution-NoDerivs License.
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