ID O35646; PN Calpain-6; GN Capn6; OS 10090; SL Nucleus Position: SL-0198; SL Comments: Cytoplasm, perinuclear region {ECO:0000250}. Cytoplasm, cytoskeleton, spindle {ECO:0000269|PubMed:17210638, ECO:0000269|PubMed:20814968}. DR UNIPROT: O35646; DR UNIPROT: Q3UM55; DR Pfam: PF00168; DR Pfam: PF01067; DR Pfam: PF00648; DR PROSITE: PS50004; DR PROSITE: PS50203; DE Function: Microtubule-stabilizing protein that may be involved in the regulation of microtubule dynamics and cytoskeletal organization. May act as a regulator of RAC1 activity through interaction with ARHGEF2 to control lamellipodial formation and cell mobility. Does not seem to have protease activity as it has lost the active site residues. {ECO:0000269|PubMed:17210638, ECO:0000269|PubMed:21406564}. DE Reference Proteome: Yes; GO GO:0005737; GO GO:0005874; GO GO:0048471; GO GO:0005876; GO GO:0008017; GO GO:0001578; GO GO:0051493; TP Membrane Topology: Unknown; Source: UniProt - Sequence Analysis; SQ MGPPLKLFKNQKYQELKQECMKDGRLFCDPTFLPENDSLFFNRLLPGKVVWKRPQDISDDPHLIVGNISNHQLIQGRLGN SQ KAMISAFSCLAVQESHWTKAIPNHKDQEWDPRKPEKYAGIFHFRFWHFGEWTEVVIDDLLPTINGDLVFSFSTSMNEFWN SQ ALLEKAYAKLLGCYEALDGLTITDIIMDFTGTLAEIIDMQKGRYTDLVEEKYKLFGELYKTFTKGGLICCSIESPSQEEQ SQ EVETDWGLLKGYTYTMTDIRKLRLGERLVEVFSTEKLYMVRLRNPLGRQEWSGPWSEISEEWQQLTVTDRKNLGLVMSDD SQ GEFWMSLEDFCHNFHKLNVCRNVNNPVFGRKELESVVGCWTVDDDPLMNRSGGCYNNRDTFLQNPQYIFTVPEDGHKVIM SQ SLQQKDLRTYRRMGRPDNYIIGFELFKVEMNRRFRLHHLYIQERAGTSTYIDTRTVFLSKYLKKGSYVLVPTMFQHGRTS SQ EFLLRIFSEVPVQLRELTLDMPKMSCWNLARGYPKVVTQITVHSAEGLEKKYANETVNPYLIIKCGKEEVRSPVQKNTVH SQ AIFDTQAIFYRRTTDIPIIIQVWNSRKFCDQFLGQVTLDADPSDCRDLKSLYLRKKGGPTAKVKQGHISFKVISSDDLTE SQ L //