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mad1 mad1 pmt3 pmt3 rsp1 rsp1 sfi1 sfi1 far11 far11 ima1 ima1 fin1 fin1 cut11 cut11 csc4 csc4 csi2 csi2 rng2 rng2 spc34 spc34 sid1 sid1 mad2 mad2 csi1 csi1 kms2 kms2 cut12 cut12 sid4 sid4 cdc31 cdc31 cdc11 cdc11 nak1 nak1 sog2 sog2 mob1 mob1 mto1 mto1 alp14 alp14 far8 far8 bub1 bub1 cam1 cam1 wee1 wee1 mzt1 mzt1 cdc13 cdc13 cut1 cut1 cut7 cut7 gtb1 gtb1 cdc14 cdc14 cdc16 cdc16 hhp1 hhp1 hhp2 hhp2 cdc7 cdc7 plo1 plo1 spg1 spg1 dad1 dad1 sad1 sad1 sid2 sid2 dis1 dis1 lem2 lem2 mal3 mal3 ppc89 ppc89 dma1 dma1 spo15 spo15 par1 par1 byr4 byr4 nsk1 nsk1 pcp1 pcp1 pkl1 pkl1 wdr8 wdr8 dam1 dam1 msd1 msd1 ask1 ask1 clp1 clp1 pmo25 pmo25 gfh1 gfh1 alp7 alp7 bqt2 bqt2 mto2 mto2 alp6 alp6 brr6 brr6 mod21 mod21 dad2 dad2 dlc1 dlc1 alp4 alp4
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splice isoforms or post-translational modifications are collapsed, i.e. each node represents all the proteins produced by a single, protein-coding gene locus.
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query proteins and first shell of interactors
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second shell of interactors
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proteins of unknown 3D structure
filled nodes:
a 3D structure is known or predicted
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Known Interactions
from curated databases
experimentally determined
Predicted Interactions
gene neighborhood
gene fusions
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mad1Spindle assembly checkpoint component mad1; Central component of the spindle assembly checkpoint. Has a role in the correct positioning of the septum. Required for anchoring mad2 to the nuclear periphery. (689 aa)
pmt3Ubiquitin-like protein pmt3/smt3; Required for chromosome segregation where it may be involved in microtubule assembly. Loss of smt3 leads to an increase in telomere length; Belongs to the ubiquitin family. SUMO subfamily. (117 aa)
rsp1DnaJ-related protein rsp1; Has a role in the proper organization of the interphase microtubule cytoskeleton. Required for equatorial microtubule organizing center (eMTOC) disassembly into satellites, contributing to the dynamic redistribution of MTOC components for organization of interphase microtubules. (494 aa)
sfi1Protein sfi1; Component of the spindle pole body (SPB) half-bridge involved in the initial steps of SPB duplication; Belongs to the SFI1 family. (840 aa)
far11Factor arrest protein 11; Participates in the control of the reentry into the cell cycle following pheromone treatment; Belongs to the FAR11 family. (817 aa)
ima1Integral inner nuclear membrane protein ima1; Inner nuclear membrane protein that specifically binds to heterochromatic regions and promotes the tethering of centromeric DNA to the SUN-KASH complex. Couples centromeres to the nuclear envelope, thus contributing to their association with the microtubule organizing center attachment site and to the positioning of the nucleus at the cell center by microtubules. (615 aa)
fin1G2-specific protein kinase fin1; Promotes chromosome condensation and nuclear envelope dynamics during mitosis. Activity appears at metaphase-anaphase transition; Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. NIMA subfamily. (722 aa)
cut11Nuclear envelope protein ndc1; Component of the nuclear pore complex (NPC) and the spindle pole body (SPB), which plays a key role in de novo assembly and insertion of both structures in the nuclear envelope. Involved in the formation of the bipolar mitotic spindle. Anchors the spindle pole body in the nuclear envelope; Belongs to the NDC1 family. (601 aa)
csc4Uncharacterized protein C2C4.10c. (166 aa)
csi2Uncharacterized protein C4D7.07c. (601 aa)
rng2Ras GTPase-activating-like protein rng2; Required for cytokinesis. Component of the contractile F- actin ring; required for its construction following assembly of F-actin at the division site. (1489 aa)
spc34DASH complex subunit spc34; Component of the DASH complex, a microtubule-binding subcomplex of the outer kinetochore that is essential for proper chromosome segregation. The DASH complex mediates the formation and maintenance of bipolar kinetochore-microtubule attachments by forming closed rings around spindle microtubules and establishing interactions with proteins from the central kinetochore. (164 aa)
sid1Serine/threonine-protein kinase sid1; Has a role in the septation initiation network (SIN) required for cytokinesis. (471 aa)
mad2Mitotic spindle checkpoint component mad2; Feedback control that prevents cells with incompletely assembled spindles from leaving mitosis. It interacts with the anaphase promoting complex/cyclosome (APC/C) thereby inhibiting APC/C-dependent proteolysis, a step required for exit from mitosis. Belongs to the MAD2 family. (203 aa)
csi1Uncharacterized protein C2G2.14. (533 aa)
kms2Karyogamy meiotic segregation protein 2. (457 aa)
cut12Spindle pole body-associated protein cut12; Required for bipolar spindle formation. May act as a regulator of the p34cdc2/cyclin B kinase. Required for full activation of the plo1 kinase. However, in cut12.1 cells at restrictive temperature the H1 kinase does rise concomitant with entry into mitosis, indicating that cut12 is not required for activation of p34cdc2/cyclin B. The cut12.s11 allele may promote cdc2-independent phosphorylation of SPB proteins thereby overcoming the requirement for cdc25 in cell cycle progression. (548 aa)
sid4Septation initiation protein sid4; Required for activation of the spg1 GTPase signaling cascade which leads to the initiation of septation and the subsequent termination of mitosis. May act as a scaffold at the spindle pole body to which other components of the spg1 signaling cascade attach. (660 aa)
cdc31Cell division control protein 31; Required for the proper coordination between exit from mitosis and the initiation of septation. Has a role in bipolar spindle formation during spindle pole body (SPB) duplication. Required for the localization of sad1 to the SPB. (176 aa)
cdc11Septation initiation network scaffold protein cdc11; Essential for the onset of septum formation. Involved in the organization of astral microtubules during mitosis. Acts as a bridge between sid4 and the other SIN proteins mediating their association with the spindle pole body (SPB). The sid4-cdc11 complex organizes a signaling hub on the SPB which coordinates cell and nuclear division. (1045 aa)
nak1Serine/threonine-protein kinase nak1; Has a role in the regulation of cell polarity, growth and division. (652 aa)
sog2Leucine-rich repeat-containing protein sog2. (886 aa)
mob1Maintenance of ploidy protein mob1; Has a role in promoting the onset of septum formation during the latter stages of mitosis; Belongs to the MOB1/phocein family. (210 aa)
mto1Microtubule organizer protein 1; Required for cytoplasmic astral microtubule growth during mitosis. Involved in localizing components of the gamma-tubulin complex to the non-spindle pole body (non-SPB) microtubule organizing centers (MTOCs). Required for new microtubule nucleation from non-SPB sites during interphase. (1115 aa)
alp14Spindle pole body component alp14; Required for bipolar spindle formation and proper chromosome segregation. Has a role in connecting the kinetochores and the plus end of pole to chromosome microtubules. Also required for the activation of the spindle checkpoint pathway; Belongs to the TOG/XMAP215 family. (809 aa)
far8Uncharacterized WD repeat-containing protein C1773.01. (612 aa)
bub1Checkpoint serine/threonine-protein kinase bub1; Involved in cell cycle checkpoint enforcement. Acts to stabilize the spindle during mitosis. Required for the correct localization of bub3 and mad3 to the kinetochore. Appears to have a role in chromosome segregation. Catalyzes the phosphorylation of bub3. (1044 aa)
cam1Calmodulin; Calmodulin mediates the control of a large number of enzymes, ion channels and other proteins by Ca(2+). Among the enzymes to be stimulated by the calmodulin-Ca(2+) complex are a number of protein kinases and phosphatases. (150 aa)
wee1Mitosis inhibitor protein kinase wee1; Protein kinase that acts both on serines and on tyrosines. It acts as a dosage-dependent negative regulator of entry into mitosis (G2 to M transition). Phosphorylates and inhibits cdc2. Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. WEE1 subfamily. (877 aa)
mzt1Mitotic-spindle organizing protein 1; Required for gamma-tubulin complex recruitment to the microtubule organizing center (MTOC). (64 aa)
cdc13G2/mitotic-specific cyclin cdc13; Essential for the control of the cell cycle at the G2/M (mitosis) transition. Interacts with the cdc2 protein kinase to form MPF. G2/M cyclins accumulate steadily during G2 and are abruptly destroyed at mitosis. Involved in the reorganization of the cytoskeleton on transition from G2 to mitosis. Association with rum1 promotes its proteolysis during G1. (482 aa)
cut1Separin; Caspase-like protease, which plays a central role in the chromosome segregation by cleaving the rad21 subunit of the cohesin complex at the onset of anaphase. During most of the cell cycle, it is inactivated by securin/cut2 protein. It is also required for pointed nuclear formation. (1828 aa)
cut7Kinesin-like protein cut7; Could be a spindle pole body motor. On transition from G2 to M phase of the cell cycle, the spindle pole body duplicates; the daughter pole bodies seed microtubules which interdigitate to form a short spindle that elongates to span the nucleus at metaphase. Mutations at cut7 block spindle formation. (1085 aa)
gtb1Tubulin gamma chain; Tubulin is the major constituent of microtubules. The gamma chain is found at microtubule organizing centers (MTOC) such as the spindle poles or the centrosome, suggesting that it is involved in the minus-end nucleation of microtubule assembly. (446 aa)
cdc14Cell division control protein 14; Has a role in the septation initiation network (SIN) required for cytokinesis. (240 aa)
cdc16Cell division control protein 16; Has a dual role in the cell cycle. In mitosis, it is involved in maintenance of cdc2 kinase activity. It is subsequently required for regulation of septum formation. Could be involved in maintenance of cdc2 kinase activity by preventing, directly or indirectly, the degradation of cyclin or the dephosphorylation of 'Thr-167' of cdc2. (299 aa)
hhp1Casein kinase I homolog hhp1; Involved in DNA repair. Has a probable role in repairing alkylated DNA and may regulate the activity of protein(s) involved in double strand break repair caused by gamma rays; Belongs to the protein kinase superfamily. CK1 Ser/Thr protein kinase family. Casein kinase I subfamily. (365 aa)
hhp2Casein kinase I homolog hhp2; Involved in DNA repair. May regulate the activity of protein(s) involved in double strand break repair caused by gamma rays; Belongs to the protein kinase superfamily. CK1 Ser/Thr protein kinase family. Casein kinase I subfamily. (400 aa)
cdc7Cell division control protein 7; Protein kinase essential for cell division. Plays a key role in initiation of septum formation and cytokinesis. (1062 aa)
plo1Serine/threonine-protein kinase plo1; Required to form a bipolar spindle, the actin ring and septum. Functions upstream of the whole septum formation pathway, including actin ring formation (regulated by late septation genes) and septal material deposition (regulated by early septation genes). Behaves as a 'septum-promoting factor', and could also be involved in inducing other late events of cell division. Together with moa1, acts as a regulator of kinetochore function during meiosis I: required both for mono-orientation of kinetochores on sister chromosomes and protection of centromer [...] (683 aa)
spg1Septum-promoting GTP-binding protein 1; GTP-binding protein essential for the induction of septum formation at G2 and pre-START stages of mitosis. Acts via the cdc7 protein kinase pathway. (198 aa)
dad1DASH complex subunit dad1; Component of the DASH complex, a microtubule-binding subcomplex of the outer kinetochore that is essential for proper chromosome segregation. The DASH complex mediates the formation and maintenance of bipolar kinetochore-microtubule attachments by forming closed rings around spindle microtubules and establishing interactions with proteins from the central kinetochore. Mediates interaction between the DASH and sim4 complexes leading to loading of DASH onto the kinetochore. (90 aa)
sad1Spindle pole body-associated protein sad1; Associates with the spindle pole body and maintains a functional interface between the nuclear membrane and the microtubule motor proteins. Involved in chromosome segregation during meiosis where it associates with the telomeres. (514 aa)
sid2Serine/threonine-protein kinase sid2; Part of a signaling pathway. Required for initiation of medial ring constriction and septation; Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. (607 aa)
dis1Phosphoprotein p93; Has a role in sister chromatid separation. (882 aa)
lem2Lap-Emerin-Man domain protein 2; Nucleus inner membrane protein involved in meiosis. (688 aa)
mal3Microtubule integrity protein mal3; May play a role in regulating the integrity of microtubules possibly by influencing their stability. Involved in an anchoring mechanism to maintain tea2 and tip1 at growing microtubule ends. Strongly stimulates the ATPase activity of tea2. Belongs to the MAPRE family. (308 aa)
ppc89Spindle pole body protein ppc89; Has a role in meiosis. (783 aa)
dma1Probable E3 ubiquitin-protein ligase dma1; Probable E3 ubiquitin-protein ligase which is a component of the spindle assembly checkpoint, required to prevent septum formation and premature exit from mitosis if spindle function is compromised. Inhibits the septation initiation netwok (SIN) during spindle checkpoint activation. The effect appears to be mediated through preventing the SIN activator, plo1 kinase, from localizing to the SPB. Belongs to the DMA1 family. (267 aa)
spo15Sporulation-specific protein 15; Has a role in the initiation of spore membrane formation. (1957 aa)
par1Serine/threonine-protein phosphatase 2A 56 kDa regulatory subunit delta 1 isoform; The B regulatory subunit might modulate substrate selectivity and catalytic activity, and also might direct the localization of the catalytic enzyme to a particular subcellular compartment. Has a role in cell shape control and septum formation. (548 aa)
byr4Protein byr4; Has an essential role in ensuring cytokinesis and septation occur only once during mitosis. It does so by interacting with the ras1 signaling pathways, thereby suppressing them; To yeast BFA1. (665 aa)
nsk1Kinetochore protein nsk1; Ensures chromosome alignment and accurate chromosome segregation during mitosis. Promotes proper kinetochore-microtubule (k- MT) interactions during anaphase B. The phosphorylation status of nsk1 affects the proper k-MT coupling, ensuring that it interacts stably only at the correct time during mitosis. (462 aa)
pcp1Spindle pole body protein pcp1; Spindle pole body component that binds calmodulin. Overexpression of pcp1 causes the formation of supernumerary SPB-like structures and disrupts both mitotic spindle assembly and chromosome segregation. (1208 aa)
pkl1Kinesin-like protein 1; Microtubule-dependent motor that is involved in microtubule organization in the mitotic spindle; Belongs to the TRAFAC class myosin-kinesin ATPase superfamily. Kinesin family. NCD subfamily. (832 aa)
wdr8Uncharacterized WD repeat-containing protein C32H8.09. (483 aa)
dam1DASH complex subunit dam1; Component of the DASH complex, a microtubule-binding subcomplex of the outer kinetochore that is essential for proper chromosome segregation. The DASH complex mediates the formation and maintenance of bipolar kinetochore-microtubule attachments by forming closed rings around spindle microtubules and establishing interactions with proteins from the central kinetochore. (155 aa)
msd1Meiotically up-regulated gene 172 protein; Has a role in meiosis; Belongs to the ADIP family. (331 aa)
ask1DASH complex subunit ask1; Component of the DASH complex, a microtubule-binding subcomplex of the outer kinetochore that is essential for proper chromosome segregation. The DASH complex mediates the formation and maintenance of bipolar kinetochore-microtubule attachments by forming closed rings around spindle microtubules and establishing interactions with proteins from the central kinetochore. Plays a role in meiosis. (307 aa)
clp1Tyrosine-protein phosphatase CDC14 homolog; Protein phosphatase which antagonizes mitotic cyclin- dependent kinase cdc2, the inactivation of which is essential for exit from mitosis. To access its substrates, is released from nucleolar sequestration during mitosis. Plays an essential in coordinating the nuclear division cycle with cytokinesis through the cytokinesis checkpoint. Involved in chromosome segregation, where it is required for meiosis I spindle dissambly as well as for establishing two consecutive chromosome segregation phases. Allows damaged actomyosin rings to be maintaine [...] (537 aa)
pmo25Mo25-like protein; Belongs to the Mo25 family. (329 aa)
gfh1Gamma-tubulin complex component gfh1; Required for proper anchoring of astral microtubules at the spindle pole bodies (SPBs), during anaphase, ensuring correct cell polarity; Belongs to the TUBGCP family. (577 aa)
alp7Microtubule protein alp7; Required for bipolar spindle formation and proper chromosome segregation. Has an indirect role in connecting the kinetochores and the plus end of pole to chromosome microtubules by targeting alp14 to the spindle pole body. Involved in the emergence of large microtubule organizing centers (MTOC) in interphase cells. Attaches to the minus ends of microtubules and associates with the sites of microtubule attachment on the nuclear envelope. This leads to the stabilzation of the microtubule bundles. (474 aa)
bqt2Telomere bouquet protein 2; Involved in chromosome segregation. During meiotic prophase, connects telomeres to the spindle pole body by forming a bridge between the telomere protein rap1 and the spindle pole body protein sad1. (118 aa)
mto2Uncharacterized protein C902.06. (397 aa)
alp6Spindle pole body component alp6; Component of the gamma tubule complex that is required for the regulation of both interphase microtubules and mitotic bipolar spindles; Belongs to the TUBGCP family. (832 aa)
brr6Nucleus export protein brr6; Involved in mRNA and protein export from nucleus. Belongs to the BRL1/BRR6 family. (297 aa)
mod21Gamma-tubulin complex subunit mod21; Component of the gamma-tubulin complex that is required for the regulation of both interphase microtubule organization and nucleation, and mitotic bipolar spindles. Required for correct septation. (677 aa)
dad2DASH complex subunit dad2; Component of the DASH complex, a microtubule-binding subcomplex of the outer kinetochore that is essential for proper chromosome segregation. The DASH complex mediates the formation and maintenance of bipolar kinetochore-microtubule attachments by forming closed rings around spindle microtubules and establishing interactions with proteins from the central kinetochore. May be necessary for growth under high osmotic stress. (94 aa)
dlc1Dynein light chain Tctex-type; Acts as a non-catalytic accessory component of a dynein complex. (111 aa)
alp4Spindle pole body component alp4; Component of the gamma tubule complex that is required for the regulation of both interphase microtubules and mitotic bipolar spindles. Required for correct septation; Belongs to the TUBGCP family. (784 aa)
Your Current Organism:
Schizosaccharomyces pombe
NCBI taxonomy Id: 284812
Other names: S. pombe 972h-, Schizosaccharomyces pombe 972h-
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