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- Table of Contents
Facts about Calcium and integrin-binding protein 1.
Plays a role in integrin signaling by negatively regulating alpha-IIb/beta3 activation in thrombin- stimulated megakaryocytes preventing platelet aggregation. Up- regulates PTK2/FAK1 activity, and is also required for the recruitment of PTK2/FAK1 to focal adhesions; it thus seems to play an important role in focal adhesion formation.
Human | |
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Gene Name: | CIB1 |
Uniprot: | Q99828 |
Entrez: | 10519 |
Belongs to: |
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No superfamily |
calcium and integrin binding 1 (calmyrin); Calcium- and integrin-binding protein; Calmyrin; CIB1; CIBcalcium and integrin binding protein; CIBP; DNA-dependent protein kinase interacting protein; DNA-PKcs-interacting protein; Kinase-interacting protein; KIP; KIP1; KIPcalcium and integrin binding, protein kinase interacting protein; PRKDCIP; SIP2-28; SIP2-28calcium and integrin-binding protein 1; Snk interacting protein 2-28; SNK-interacting protein 2-28
Mass (kDA):
21.703 kDA
Human | |
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Location: | 15q26.1 |
Sequence: | 15; NC_000015.10 (90229975..90265759, complement) |
Detected in platelets and in cell lines of megakaryocytic and erythrocytic lineages. Both isoform 1 and isoform 2 are detected in various cancer cell lines, with isoform 2 being the predominant form (at protein level). Ubiquitously expressed.
Membrane; Lipid-anchor. Cell membrane, sarcolemma. Cell membrane. Apical cell membrane. Cell projection, ruffle membrane. Cell projection, filopodium tip. Cell projection, growth cone. Cell projection, lamellipodium. Cytoplasm. Cytoplasm, cytoskeleton. Cytoplasm, cytoskeleton, microtubule organizing center, centrosome. Cytoplasm, perinuclear region. Nucleus. Cell projection, neuron projection. Perikaryon. Colocalized with PPP3R1 at the cell membrane of cardiomyocytes in the hypertrophic heart (By similarity). Colocalized with NBR1 to the perinuclear region. Colocalizes with TAS1R2 in apical re
PMID: 9030514 by Naik U.P., et al. Identification of a novel calcium-binding protein that interacts with the integrin alphaIIb cytoplasmic domain.
PMID: 9372844 by Wu X., et al. Interaction between DNA-dependent protein kinase and a novel protein, KIP.