ID Q9Y7Z5; PN Tetra-spanning protein 1; GN tts1; OS 284812; SL Nucleus Position: SL-0178; SL Nucleus Position: SL-0182; SL Comments: Golgi apparatus membrane; Multi-pass membrane protein. Endoplasmic reticulum membrane; Multi-pass membrane protein. Nucleus membrane; Multi-pass membrane protein. Note=Enriched at the cell equator during mitosis. DR UNIPROT: Q9Y7Z5; DR Pfam: PF03661; DE Function: Required for the correct positioning of the cellular division plane by delimiting the actomyosin ring assembly at the cell equator. {ECO:0000269|PubMed:20434336}. DE Reference Proteome: Yes; GO GO:0032153; GO GO:0032541; GO GO:0005783; GO GO:0005789; GO GO:0071782; GO GO:0005794; GO GO:0000139; GO GO:0016021; GO GO:0005635; GO GO:0031965; GO GO:0005643; GO GO:0051301; GO GO:1990809; GO GO:0071786; GO GO:0061024; GO GO:0140480; GO GO:1990608; GO GO:0071763; TP Membrane Topology: Transmembrane; Source: UniProt - Sequence Analysis {ECO:0000255}; SQ MEPKQRVVKPLKERVLPVVKNTQFVWFSGQVIVLISSVLYALQAIPFRSAPPFLFKSAAFGAIVAYAIVLYKTYSPNLTS SQ RASWNKHFFARLMLDDNVQYFILALSMLIDRPILFSLAPYAIYATFHISTYLRSVLLPAIYPNISDAKTASYASRVSNLL SQ NQYTRSQFQPAMQLVASLETFLLFRLFFGVFLRKNSISRLVGYIFFLRMRYTNSHFTRASIKAVSLRMDRLVADNRVPPV SQ IKNAWHTFKTYVSKFGASPVGTAQSRPTASSSTTAPSST //