BUB2 protein (Saccharomyces cerevisiae) - STRING interaction network
"BUB2" - Mitotic exit network regulator, forms GTPase-activating Bfa1p-Bub2p complex that binds Tem1p and spindle pole bodies, blocks cell cycle progression before anaphase in response to spindle and kinetochore damage in Saccharomyces cerevisiae
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BUB2Mitotic exit network regulator, forms GTPase-activating Bfa1p-Bub2p complex that binds Tem1p and spindle pole bodies, blocks cell cycle progression before anaphase in response to spindle and kinetochore damage; Part of a checkpoint which monitors spindle integrity and prevents premature exit from mitosis. This cell-cycle arrest depends upon inhibition of the GTP-binding protein TEM1 by the BFA1/BUB2 complex (306 aa)    
Predicted Functional Partners:
GTP-binding protein of the ras superfamily involved in termination of M-phase; controls actomyosin and septin dynamics during cytokinesis; GTP-binding protein involved in termination of M phase. May play a role in triggering the degradation of G2 cyclin to inactivate M-phase promoting factor at the termination of mitosis. Acts upstream of CDC15 kinase and may be required to activate the CDC15 protein kinase pathway (245 aa)
Component of the GTPase-activating Bfa1p-Bub2p complex involved in multiple cell cycle checkpoint pathways that control exit from mitosis; Part of a checkpoint which monitors spindle integrity and prevents premature exit from mitosis. This cell-cycle arrest depends upon inhibition of the G-protein TEM1 by the BFA1/BUB2 complex (574 aa)
Polo-like kinase with multiple functions in mitosis and cytokinesis through substrate phosphorylation, also functions in adaptation to DNA damage during meiosis; has similarity to Xenopus Plx1 and S. pombe Plo1p; possible Cdc28p substrate; Protein kinase required for the cell cycle where it is involved in mitotic exit. A component of the fear (CDC14 early anaphase release) network which promotes CDC14 release from the nucleolus during early anaphase. Phosphorylates SCC1/MCD1 and NET1 (705 aa)
Protein kinase of the Mitotic Exit Network that is localized to the spindle pole bodies at late anaphase; promotes mitotic exit by directly switching on the kinase activity of Dbf2p; required for spindle disassembly after meiosis II; Protein kinase of the mitotic exit network (MEN) essential for late nuclear division in the mitotic cycle. Promotes mitotic exit by phosphorylating DBF2 and directly switching on DBF2 kinase activity. Involved in the localization of DBF2 and DBF20 to the neck which is necessary to undergo cytokinesis. Plays a role in segregation of chromosomes during recov [...] (974 aa)
Protein phosphatase required for mitotic exit; required for rDNA segregation, cytokinesis, meiosis I spindle disassembly, environmental stress response; held in nucleolus by Cdc55p in early meiosis, liberated by FEAR and Mitotic Exit Network in anaphase, enabling it to effect a decrease in CDK/B-cyclin activity and mitotic exit; sequestered in metaphase II, released upon entry into anaphase II; human homolog CDC14A can complement thermosensitivity of yeast cdc14-1 mutant; Protein phosphatase which antagonizes mitotic cyclin- dependent kinase CDC28, the inactivation of which is essentia [...] (551 aa)
Protein similar to GDP/GTP exchange factors; without detectable GEF activity; required for asymmetric localization of Bfa1p at daughter-directed spindle pole bodies and for mitotic exit at low temperatures; GDP-GTP exchange factor for TEM1, a Ras-like protein, component of the mitotic exit network (MEN). Activation of TEM1 by LTE1 in the bud ultimately leads to activation of CDC15 followed by the release of CDC14 from the nucleolus, which then inactivates cyclin-dependent kinases (CDKs) activity by several mechanism. Required for TEM1 localization to the bud cortex during mitotic exit. [...] (1435 aa)
Non-essential regulatory subunit B of protein phosphatase 2A (PP2A); localization to cytoplasm requires Zds1p and Zds2p and promotes mitotic entry; localization to nucleus prevents mitotic exit; required for correct nuclear division and chromosome segregation in meiosis; maintains nucleolar sequestration of Cdc14p during early meiosis; limits formation of PP2A-Rts1p holocomplexes to ensure timely dissolution of sister chromosome cohesion; homolog of mammalian B55; Phosphatase 2A affects a variety of biological processes in the cell such as transcription, cell cycle progression and cell [...] (526 aa)
Component of the spindle-assembly checkpoint complex; delays the onset of anaphase in cells with defects in mitotic spindle assembly; forms a complex with Mad1p; regulates APC/C activity during prometaphase and metaphase of meiosis I; Central component of the spindle assembly checkpoint which is a feedback control that prevents cells with incompletely assembled spindles from leaving mitosis. Thought to be recruited to unattached kinetochores by MAD1. During checkpoint activity, MAD2 is relayed from the MAD1-MAD2 complex to the mitotic checkpoint complex (MCC). MCC and presumably the MA [...] (196 aa)
Component of the mitotic exit network; associates with and is required for the activation and Cdc15p-dependent phosphorylation of the Dbf2p kinase; required for cytokinesis and cell separation; component of the CCR4 transcriptional complex; Functions as an activator subunit for the DBF2 protein kinase. Binds to DBF2, which is required for the phosphorylation and activation of DBF2 by the upstream kinase CDC15 in late anaphase. DBF2-MOB1 is part of the mitotic exit network (MEN) signaling cascade, which regulates release from the nucleus and activity of phosphatase CDC14. Required for i [...] (314 aa)
Component of the spindle pole body outer plaque, required for exit from mitosis; Involved in astral microtubule organization by binding SCP72 to the outer plaque in a cell-cycle dependent manner. Required for the mitotic exit by facilitating the binding of TEMP1 to CDC15. Also involved in the pathway that organizes the shaping and sizing of the prospore membrane (PSM) during sporulation (851 aa)
Your Current Organism:
Saccharomyces cerevisiae
NCBI taxonomy Id: 4932
Other names: Candida robusta, Pachytichospora, S. cerevisiae, Saccharomyces, Saccharomyces capensis, Saccharomyces cerevisiae, Saccharomyces italicus, Saccharomyces oviformis, Saccharomyces uvarum var. melibiosus, lager beer yeast, yeast
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