Entry
Name
Cell cycle - yeast
Description
Mitotic cell cycle progression is accomplished through a reproducible sequence of events, DNA replication (S phase) and mitosis (M phase) separated temporally by gaps (G1 and G2 phases). G1, S, and G2 phases are collectively known as interphase. In yeast Cdc28 is the catalytic subunit of the cyclin-dependent kinase (CDK). At G1 phase Cdc28 associates with G1-cyclins Cln1 to Cln3, while B-type cyclins Clb1 to Clb6 regulate Cdc28 during S, G2, and M phases. Cln3/Cdc28 activity is required for cells to pass through 'start', the commitment point in G1. When Cln3/Cdc28 accumulates more than a certain threshold, SBF (Swi4/Swi6) and MBF (Mbp1/Swi6) are activated, promoting transcription of Cln1, Cln2, and other genes required for S-phase progression. Cln1 and Cln2 interacting with Cdc28 promote activation of B-type cyclin associated CDK, which drives DNA replication and entry into mitosis. Specifically, Cdc28 association with Clb2 and Clb1 promotes entry into mitosis. Cells suffering from DNA damage, spindle misorientation, or spindle assembly defect do not undergo the metaphase-anaphase transition for chromosome segregation and fail to exit from mitosis. The spindle assembly checkpoint activates Mad2, which in turn prevents chromosome segregation by inhibiting degradation of the securin Pds1. Moreover, Pds1 is phosphorylated and stabilized in response to DNA damage in a Chk1-dependent manner. The spindle checkpoint is also involved in the Cdc14 release from the nucleolus. Cdc14 dephosphorylates Swi5, Sic1, and Cdh1, leading to inhibition of Cdc28 and degradation of cyclin required for mitotic exit.
Class
Cellular Processes; Cell growth and death
BRITE hierarchy
Pathway map
Other DBs
Orthology
K02179 BUB2; cell cycle arrest protein BUB2
K02180 BUB3; cell cycle arrest protein BUB3
K02181 BFA1; cell cycle arrest protein BFA1
K02209 MCM5, CDC46; DNA replication licensing factor MCM5 [EC:5.6.2.3 ]
K02210 MCM7, CDC47; DNA replication licensing factor MCM7 [EC:5.6.2.3 ]
K02212 MCM4, CDC54; DNA replication licensing factor MCM4 [EC:5.6.2.3 ]
K02213 CDC6; cell division control protein 6
K02219 CKS1; cyclin-dependent kinase regulatory subunit CKS1
K02220 CLB1; G2/mitotic-specific cyclin 1
K02307 DAM1; DASH complex subunit DAM1
K02309 DBF4; regulatory subunit for Cdc7p protein kinase
K02515 HSL1; serine/threonine-protein kinase HSL1, negative regulator of Swe1 kinase [EC:2.7.11.-]
K02516 PRMT5, HSL7; type II protein arginine methyltransferase [EC:2.1.1.320 ]
K02537 MAD2; mitotic spindle assembly checkpoint protein MAD2
K02543 MEC1; cell cycle checkpoint protein MEC1
K02544 MEC3; G2-specific checkpoint protein
K02603 ORC1; origin recognition complex subunit 1
K02604 ORC2; origin recognition complex subunit 2
K02605 ORC3; origin recognition complex subunit 3
K02606 ORC4; origin recognition complex subunit 4
K02607 ORC5; origin recognition complex subunit 5
K02608 ORC6; origin recognition complex subunit 6
K02627 PDS1; cell cycle regulator
K02646 PHO2; regulatory protein PHO2
K02831 RAD53; ser/thr/tyr protein kinase RAD53 [EC:2.7.11.-]
K03085 SIC1; substrate and inhibitor of the cyclin-dependent protein kinase CDC28
K03094 SKP1, CBF3D; S-phase kinase-associated protein 1
K03348 APC1, ANAPC1; anaphase-promoting complex subunit 1
K03349 APC2, ANAPC2; anaphase-promoting complex subunit 2
K03350 APC3, CDC27; anaphase-promoting complex subunit 3
K03351 APC4, ANAPC4; anaphase-promoting complex subunit 4
K03352 APC5, ANAPC5; anaphase-promoting complex subunit 5
K03353 APC6, CDC16; anaphase-promoting complex subunit 6
K03354 APC7, ANAPC7; anaphase-promoting complex subunit 7
K03355 APC8, CDC23; anaphase-promoting complex subunit 8
K03356 APC9; anaphase-promoting complex subunit 9
K03357 APC10, ANAPC10, DOC1; anaphase-promoting complex subunit 10
K03358 APC11, ANAPC11; anaphase-promoting complex subunit 11
K03359 APC12, CDC26; anaphase-promoting complex subunit 12
K03360 GRR1; F-box and leucine-rich repeat protein GRR1
K03361 CDC4; F-box and WD-40 domain protein CDC4
K03363 CDC20; cell division cycle 20, cofactor of APC complex
K03364 CDH1, FZR1; cell division cycle 20-like protein 1, cofactor of APC complex
K03456 PPP2R1; serine/threonine-protein phosphatase 2A regulatory subunit A
K04354 PPP2R2; serine/threonine-protein phosphatase 2A regulatory subunit B
K04382 PPP2C; serine/threonine-protein phosphatase 2A catalytic subunit [EC:3.1.3.16 ]
K06628 CDC45; cell division control protein 45
K06636 SMC1; structural maintenance of chromosome 1
K06646 CLN3; G1/S-specific cyclin CLN3
K06647 MBP1; transcription factor MBP1
K06648 SWI6; regulatory protein SWI6
K06649 SWI4; regulatory protein SWI4
K06650 CLN2; G1/S-specific cyclin CLN2
K06651 CLB5_6; S-phase entry cyclin 5/6
K06652 FAR1; cyclin-dependent kinase inhibitor FAR1
K06653 PHO81; CDK inhibitor PHO81
K06654 PHO80; phosphate system cyclin PHO80
K06657 PCL2_9; PHO85 cyclin-2/9
K06658 PHO4; phosphate system positive regulatory protein PHO4
K06659 CLB3_4; G2/mitotic-specific cyclin 3/4
K06660 CDC5; cell cycle serine/threonine-protein kinase CDC5/MSD2 [EC:2.7.11.21 ]
K06661 RAD9; DNA repair protein RAD9
K06662 HRAD17, RAD24; cell cycle checkpoint protein
K06663 DDC1; DNA damage checkpoint protein
K06665 SSN6, CYC8; general transcriptional corepressor CYC8
K06666 TUP1; general transcriptional corepressor TUP1
K06668 GIN4; serine/threonine-protein kinase GIN4 [EC:2.7.11.-]
K06669 SMC3, CSPG6; structural maintenance of chromosome 3 (chondroitin sulfate proteoglycan 6)
K06670 SCC1, MCD1, RAD21; cohesin complex subunit SCC1
K06671 STAG1_2, SCC3, IRR1; cohesin complex subunit SA-1/2
K06672 SCC2, NIPBL; cohesin loading factor subunit SCC2
K06673 SCC4; cohesin loading factor subunit SCC4
K06674 SMC2; structural maintenance of chromosome 2
K06675 SMC4; structural maintenance of chromosome 4
K06676 BRRN1, BRN1, CAPH; condensin complex subunit 2
K06677 YCS4, CNAP1, CAPD2; condensin complex subunit 1
K06678 YCG1, CAPG; condensin complex subunit 3
K06679 MAD1; mitotic spindle assembly checkpoint protein MAD1
K06680 MAD3; spindle assembly checkpoint component MAD3
K06681 LTE1; Gdp/GTP exchange factor required for growth at low temperatures
K06682 TEM1; Gtp-binding protein of the ras superfamily involved in termination of M-phase
K06684 DBF2; cell cycle protein kinase DBF2 [EC:2.7.11.-]
K06685 MOB1, Mats; MOB kinase activator 1
K06686 DBF20; cell cycle protein kinase DBF20 [EC:2.7.11.-]
K06687 NET1, ESC5; nucleolar protein involved in exit from mitosis
K08866 TTK, MPS1; serine/threonine-protein kinase TTK/MPS1 [EC:2.7.12.1 ]
K09173 RFX1_2_3; regulatory factor X 1/2/3
K09202 SWI5; regulatory protein SWI5
K10259 MET30; F-box and WD-40 domain protein MET30
K11272 MRC1; mediator of replication checkpoint protein 1
K12411 YOX1, YHP1; homeobox protein YOX1/YHP1
K12412 MCM1; pheromone receptor transcription factor
K12413 WHI5; G1-specific transcriptional repressor WHI5
K12414 TAH11; DNA replication licensing factor, required for pre-replication complex assembly
K12416 SWM1, APC13; anaphase-promoting complex subunit SWM1
K12575 SLK19; kinetochore protein SLK19
K12576 SPO12; sporulation-specific protein 12
K12577 FOB1; DNA replication fork-blocking protein FOB1
K12578 LCD1, ddc2; DNA damage checkpoint protein LCD1
K12760 CLN1; G1/S-specific cyclin CLN1
K18669 DYRK2_3_4; dual specificity tyrosine-phosphorylation-regulated kinase 2/3/4 [EC:2.7.12.1 ]
K23458 PHO5_11_12; repressible acid phosphatase
K23469 CLB2; G2/mitotic-specific cyclin 2
Compound
Reference
Authors
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Title
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Journal
Reference
Authors
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Title
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Journal
Reference
Authors
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Title
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Journal
Reference
Authors
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Title
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Journal
Reference
Authors
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Title
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Journal
Reference
Authors
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Title
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Journal
Reference
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Title
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Title
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Title
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Reference
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Title
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Journal
Reference
Authors
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Title
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Journal
Reference
Authors
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Title
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Journal
Reference
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Title
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Journal
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Reference
Authors
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Title
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Journal
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Title
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Title
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Journal
Reference
Authors
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Title
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Journal
Reference
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Title
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Journal
Reference
Authors
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Title
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Journal
Reference
Authors
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Title
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Journal
Reference
Authors
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Title
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Journal
Reference
Authors
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Title
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Reference
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Title
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Journal
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Title
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Title
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Title
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Title
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Title
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Title
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Journal
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Title
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Title
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Title
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Journal
Reference
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Title
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Journal
Reference
Authors
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Title
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Journal
Related pathway
ko04120 Ubiquitin mediated proteolysis