Mitotic checkpoint serine/threonine-protein kinase bub-1; Serine/threonine-protein kinase essential for spindle- assembly checkpoint signaling. Plays a key role in the recruitment of the checkpoint proteins bub-3, mdf-1 and mdf-2 to unattached kinetochores. mdf-1 recruitment is independent of bub-1 kinase activity. Has a role in the correct kinetochore localization of the spindly-like protein spdl-1. In addition, during meiotic anaphase I, controls the recruitment of hcp- 1/2 and klp-19 to the ring-shaped domain formed between chromosomes. Involved in chromosome alignment, chromosome h [...]

Mitotic checkpoint protein bub-3; Has a dual function in spindle-assembly checkpoint signaling and in promoting the establishment of correct kinetochore-microtubule (K-MT) attachments. Promotes the formation of stable end-on bipolar attachments of chromosomes. Necessary for expression and kinetochore localization of bub-1. Plays a role in synapsis checkpoint signaling inducing apoptosis in response to unsynapsed chromosomes and thus controlling chromosomal segregation during oocyte meiosis.

Mitotic checkpoint serine/threonine-protein kinase bub-1; Serine/threonine-protein kinase essential for spindle- assembly checkpoint signaling. Plays a key role in the recruitment of the checkpoint proteins bub-3, mdf-1 and mdf-2 to unattached kinetochores. mdf-1 recruitment is independent of bub-1 kinase activity. Has a role in the correct kinetochore localization of the spindly-like protein spdl-1. In addition, during meiotic anaphase I, controls the recruitment of hcp- 1/2 and klp-19 to the ring-shaped domain formed between chromosomes. Involved in chromosome alignment, chromosome h [...]

Protein CLASP-2; Probable microtubule plus-end tracking protein that promotes the stabilization of dynamic microtubules. Required for the formation of mitotic and meiotic spindles. Specifically promotes the polymerization of kinetochore-bound microtubules. Also required for cytoplasmic streaming. Essential for embryonic development.

Mitotic checkpoint serine/threonine-protein kinase bub-1; Serine/threonine-protein kinase essential for spindle- assembly checkpoint signaling. Plays a key role in the recruitment of the checkpoint proteins bub-3, mdf-1 and mdf-2 to unattached kinetochores. mdf-1 recruitment is independent of bub-1 kinase activity. Has a role in the correct kinetochore localization of the spindly-like protein spdl-1. In addition, during meiotic anaphase I, controls the recruitment of hcp- 1/2 and klp-19 to the ring-shaped domain formed between chromosomes. Involved in chromosome alignment, chromosome h [...]

Chromosome segregation and cytokinesis defective protein 1; Component of the chromosomal passenger complex (CPC), a complex that acts as a key regulator of chromosome segregation and cytokinesis during mitosis. The CPC complex has essential functions at the centromere in ensuring correct chromosome alignment and segregation. In the complex, it may be required to direct the Aurora B/air-2 to centromeric DNA; Belongs to the borealin family. Highly divergent.

Mitotic checkpoint serine/threonine-protein kinase bub-1; Serine/threonine-protein kinase essential for spindle- assembly checkpoint signaling. Plays a key role in the recruitment of the checkpoint proteins bub-3, mdf-1 and mdf-2 to unattached kinetochores. mdf-1 recruitment is independent of bub-1 kinase activity. Has a role in the correct kinetochore localization of the spindly-like protein spdl-1. In addition, during meiotic anaphase I, controls the recruitment of hcp- 1/2 and klp-19 to the ring-shaped domain formed between chromosomes. Involved in chromosome alignment, chromosome h [...]

Centromere/kinetochore protein zw10 homolog; Essential component of the mitotic checkpoint, which prevents cells from prematurely exiting mitosis. Required for the assembly of the dynein-dynactin and mdf-1-mdf-2 complexes onto kinetochores. Its function related to the spindle assembly machinery and kinetochore-microtubule attachments likely depends on its association in the mitotic RZZ complex. The RZZ complex recruits the spindly-like protein spdl-1 to kinetochores. To prevent irregular chromosome segregation, the complex also inhibits the attachment of the kinetochore-associated NDC8 [...]

Mitotic checkpoint serine/threonine-protein kinase bub-1; Serine/threonine-protein kinase essential for spindle- assembly checkpoint signaling. Plays a key role in the recruitment of the checkpoint proteins bub-3, mdf-1 and mdf-2 to unattached kinetochores. mdf-1 recruitment is independent of bub-1 kinase activity. Has a role in the correct kinetochore localization of the spindly-like protein spdl-1. In addition, during meiotic anaphase I, controls the recruitment of hcp- 1/2 and klp-19 to the ring-shaped domain formed between chromosomes. Involved in chromosome alignment, chromosome h [...]

Histone H3-like centromeric protein hcp-3; Histone H3-like variant which exclusively replaces conventional H3 in the nucleosome core of centromeric chromatin at the inner plate of the kinetochore. Required for recruitment and assembly of kinetochore proteins, mitotic progression and chromosome segregation. May serve as an epigenetic mark that propagates centromere identity through replication and cell division (By similarity). Might promote cleavage furrow stability during cytokinesis. Not required for chromosome segregation during meiosis.

Mitotic checkpoint serine/threonine-protein kinase bub-1; Serine/threonine-protein kinase essential for spindle- assembly checkpoint signaling. Plays a key role in the recruitment of the checkpoint proteins bub-3, mdf-1 and mdf-2 to unattached kinetochores. mdf-1 recruitment is independent of bub-1 kinase activity. Has a role in the correct kinetochore localization of the spindly-like protein spdl-1. In addition, during meiotic anaphase I, controls the recruitment of hcp- 1/2 and klp-19 to the ring-shaped domain formed between chromosomes. Involved in chromosome alignment, chromosome h [...]

Kinetochore protein Nuf2 homolog; Acts as a component of the essential kinetochore-associated NDC80 complex, which is required for chromosome segregation in mitosis and meiosis and spindle checkpoint activity. The ndc-80 complex synergistically enhances the affinity of the ska-1 complex for microtubules and may allow the ndc-80 complex to track depolymerizing microtubules. Belongs to the NUF2 family.

Mitotic checkpoint serine/threonine-protein kinase bub-1; Serine/threonine-protein kinase essential for spindle- assembly checkpoint signaling. Plays a key role in the recruitment of the checkpoint proteins bub-3, mdf-1 and mdf-2 to unattached kinetochores. mdf-1 recruitment is independent of bub-1 kinase activity. Has a role in the correct kinetochore localization of the spindly-like protein spdl-1. In addition, during meiotic anaphase I, controls the recruitment of hcp- 1/2 and klp-19 to the ring-shaped domain formed between chromosomes. Involved in chromosome alignment, chromosome h [...]

Kinetochore null protein 1; Proposed to be part of the KMN network incorporating the MIS12 complex and NDC80 complex that is required for establishing the kinetochore-microtubule interface that aids in chromosome segregation during meiotic and mitotic cell division. Appears to function downstream of hcp-3 (CENP-A) and hcp-4 (CENP-C) in the kinetochore assembly hierarchy. Has a role in the correct localization of the spindly-like protein spdl-1 and the RZZ complex that is composed of rod-1, czw-1 and zwl-1 to kinetochores. Required for the recruitment of spindle-assembly checkpoint comp [...]

Mitotic checkpoint serine/threonine-protein kinase bub-1; Serine/threonine-protein kinase essential for spindle- assembly checkpoint signaling. Plays a key role in the recruitment of the checkpoint proteins bub-3, mdf-1 and mdf-2 to unattached kinetochores. mdf-1 recruitment is independent of bub-1 kinase activity. Has a role in the correct kinetochore localization of the spindly-like protein spdl-1. In addition, during meiotic anaphase I, controls the recruitment of hcp- 1/2 and klp-19 to the ring-shaped domain formed between chromosomes. Involved in chromosome alignment, chromosome h [...]

Kinetochore null protein 2; Required for the recruitment of hcp-3, hcp-4, knl-1, bub-1 and lin-53 to kinetochores, kinetochore assembly, chromosome condensation and chromosome segregation in meiosis and mitosis.

Mitotic checkpoint serine/threonine-protein kinase bub-1; Serine/threonine-protein kinase essential for spindle- assembly checkpoint signaling. Plays a key role in the recruitment of the checkpoint proteins bub-3, mdf-1 and mdf-2 to unattached kinetochores. mdf-1 recruitment is independent of bub-1 kinase activity. Has a role in the correct kinetochore localization of the spindly-like protein spdl-1. In addition, during meiotic anaphase I, controls the recruitment of hcp- 1/2 and klp-19 to the ring-shaped domain formed between chromosomes. Involved in chromosome alignment, chromosome h [...]

Probable histone-binding protein lin-53; Core histone-binding subunit that may target chromatin assembly factors, chromatin remodeling factors and histone deacetylases to their histone substrates in a manner that is regulated by nucleosomal DNA (By similarity). Required for hcp-3 and his-1 stabilization, localization of hcp-3 to centromeres and for proper chromosome segregation. Synthetic multivulva class B (synMuvB) protein. SynMuvB proteins are required to repress the induction of vulval development by Ras signaling and probably act by forming the multiprotein DRM complex that repres [...]

Mitotic checkpoint serine/threonine-protein kinase bub-1; Serine/threonine-protein kinase essential for spindle- assembly checkpoint signaling. Plays a key role in the recruitment of the checkpoint proteins bub-3, mdf-1 and mdf-2 to unattached kinetochores. mdf-1 recruitment is independent of bub-1 kinase activity. Has a role in the correct kinetochore localization of the spindly-like protein spdl-1. In addition, during meiotic anaphase I, controls the recruitment of hcp- 1/2 and klp-19 to the ring-shaped domain formed between chromosomes. Involved in chromosome alignment, chromosome h [...]

Protein mel-28; Nuclear envelope protein which has essential roles in assembly of nuclear pore complexes and in chromatin maintenance during the cell cycle. Appears to be a stable structural component of the nuclear envelope during interphase. In dividing cells, localizes to kinetochores during early stages of mitosis and then to chromatin during late mitosis. Important for several mitotic processes including chromosome condensation, kinetochore assembly, chromosome segregation and cell-cycle timing. In postmitotic cells, plays a role in the early steps of nuclear pore complex assembly [...]

Mitotic checkpoint serine/threonine-protein kinase bub-1; Serine/threonine-protein kinase essential for spindle- assembly checkpoint signaling. Plays a key role in the recruitment of the checkpoint proteins bub-3, mdf-1 and mdf-2 to unattached kinetochores. mdf-1 recruitment is independent of bub-1 kinase activity. Has a role in the correct kinetochore localization of the spindly-like protein spdl-1. In addition, during meiotic anaphase I, controls the recruitment of hcp- 1/2 and klp-19 to the ring-shaped domain formed between chromosomes. Involved in chromosome alignment, chromosome h [...]

Kinetochore protein ndc-80; Acts as a component of the essential kinetochore-associated ndc-80 complex, which is required for chromosome segregation in mitosis and meiosis and spindle checkpoint activity. Plays a role in kinetochore assembly and recruits the checkpoint protein mdf-2 and the spindly-like protein spdl-1 to unattached kinetochores. Mediates the formation of end-on kinetochore-microtubule attachments through recruitment of spdl-1. The ndc-80 complex synergistically enhances the affinity of the ska-1 complex for microtubules and may allow the ndc-80 complex to track depolym [...]

Mitotic checkpoint serine/threonine-protein kinase bub-1; Serine/threonine-protein kinase essential for spindle- assembly checkpoint signaling. Plays a key role in the recruitment of the checkpoint proteins bub-3, mdf-1 and mdf-2 to unattached kinetochores. mdf-1 recruitment is independent of bub-1 kinase activity. Has a role in the correct kinetochore localization of the spindly-like protein spdl-1. In addition, during meiotic anaphase I, controls the recruitment of hcp- 1/2 and klp-19 to the ring-shaped domain formed between chromosomes. Involved in chromosome alignment, chromosome h [...]

Serine/threonine-protein kinase plk-1; Required for oocyte nuclear envelope breakdown before entry of oocyte into spermatheca. In meiotic cells, required for spindle dynamics and probably for spindle attachment to the chromosomes. Zygotic role in the development of the germline and nerve cord. In mitotic cells, plays a role in spindle organization and centrosome maturation. Involved in asymmetric nuclear localization of cdc- 25.1 during embryogenesis which affects cell division timing. Together with plk- 2, regulates cytoplasm polarity in early embryos. May play a minor role in chromos [...]

Mitotic checkpoint serine/threonine-protein kinase bub-1; Serine/threonine-protein kinase essential for spindle- assembly checkpoint signaling. Plays a key role in the recruitment of the checkpoint proteins bub-3, mdf-1 and mdf-2 to unattached kinetochores. mdf-1 recruitment is independent of bub-1 kinase activity. Has a role in the correct kinetochore localization of the spindly-like protein spdl-1. In addition, during meiotic anaphase I, controls the recruitment of hcp- 1/2 and klp-19 to the ring-shaped domain formed between chromosomes. Involved in chromosome alignment, chromosome h [...]

Serine/threonine-protein kinase plk-2; Serine/threonine-protein kinase which plays a role, during oogenesis, in chromosome pairing and synapsis, by facilitating the recruitment and attachment of meiotic chromosomes to the nuclear envelope during prophase. Regulates the formation of sun-1 patches along the nuclear envelope. Promotes meiotic nuclei apoptosis in response to chromosomal asynapsis. Plays a redundant role with plk-1 in the establishment of cell polarity downstream of mex-5 and mex-6 during the first embryonic cell divisions. Plays a role in nicotinic acetylcholine receptor- [...]

Mitotic checkpoint serine/threonine-protein kinase bub-1; Serine/threonine-protein kinase essential for spindle- assembly checkpoint signaling. Plays a key role in the recruitment of the checkpoint proteins bub-3, mdf-1 and mdf-2 to unattached kinetochores. mdf-1 recruitment is independent of bub-1 kinase activity. Has a role in the correct kinetochore localization of the spindly-like protein spdl-1. In addition, during meiotic anaphase I, controls the recruitment of hcp- 1/2 and klp-19 to the ring-shaped domain formed between chromosomes. Involved in chromosome alignment, chromosome h [...]

Kinetochore-associated protein rod-1; Essential component of the mitotic checkpoint, which prevents cells from prematurely exiting mitosis. Required for chromosome segregation, the assembly of the dynein-dynactin and mdf-1-mdf-2 complexes onto kinetochores and spindle pole separation. Plays a role in nuclear envelope breakdown. Its function related to the spindle assembly machinery and kinetochore-microtubule attachments likely depends on its association in the mitotic RZZ complex. The RZZ complex recruits the spindly-like protein spdl-1 to kinetochores. To prevent irregular chromosome [...]

Mitotic checkpoint serine/threonine-protein kinase bub-1; Serine/threonine-protein kinase essential for spindle- assembly checkpoint signaling. Plays a key role in the recruitment of the checkpoint proteins bub-3, mdf-1 and mdf-2 to unattached kinetochores. mdf-1 recruitment is independent of bub-1 kinase activity. Has a role in the correct kinetochore localization of the spindly-like protein spdl-1. In addition, during meiotic anaphase I, controls the recruitment of hcp- 1/2 and klp-19 to the ring-shaped domain formed between chromosomes. Involved in chromosome alignment, chromosome h [...]

Shugoshin; Component of cell cycle checkpoints, which ensures chromosome segregation during meiosis and mitosis. During meiotic prophase, it is involved in the regulation of the synapsis checkpoint, which monitors whether homologous chromosomes have synapsed, and the DNA damage response. Plays a central role in chromosome cohesion during cell division by preventing premature dissociation of cohesin complex after prophase, when most of cohesin complex dissociates from chromosomes arms (By similarity). Belongs to the shugoshin family.

Mitotic checkpoint serine/threonine-protein kinase bub-1; Serine/threonine-protein kinase essential for spindle- assembly checkpoint signaling. Plays a key role in the recruitment of the checkpoint proteins bub-3, mdf-1 and mdf-2 to unattached kinetochores. mdf-1 recruitment is independent of bub-1 kinase activity. Has a role in the correct kinetochore localization of the spindly-like protein spdl-1. In addition, during meiotic anaphase I, controls the recruitment of hcp- 1/2 and klp-19 to the ring-shaped domain formed between chromosomes. Involved in chromosome alignment, chromosome h [...]

Spindle and kinetochore-associated protein 1; Component of the ska-1 complex, a microtubule-binding subcomplex of the outer kinetochore that is essential for proper chromosome segregation. Required for timely anaphase onset during mitosis, when chromosomes undergo bipolar attachment on spindle microtubules leading to silencing of the spindle checkpoint (By similarity). The ska-1 complex is a direct component of the kinetochore-microtubule interface and directly associates with microtubules as oligomeric assemblies (By similarity). The complex facilitates the processive movement of micr [...]

Mitotic checkpoint serine/threonine-protein kinase bub-1; Serine/threonine-protein kinase essential for spindle- assembly checkpoint signaling. Plays a key role in the recruitment of the checkpoint proteins bub-3, mdf-1 and mdf-2 to unattached kinetochores. mdf-1 recruitment is independent of bub-1 kinase activity. Has a role in the correct kinetochore localization of the spindly-like protein spdl-1. In addition, during meiotic anaphase I, controls the recruitment of hcp- 1/2 and klp-19 to the ring-shaped domain formed between chromosomes. Involved in chromosome alignment, chromosome h [...]

Spindly-like protein spdl-1; Transient kinetochore component required for chromosome and spindle pole alignment and chromosome segregation during mitosis. Functions downstream of the RZZ complex to mediate kinetochore-microtubule attachments and nuclear envelope breakdown during cell division. Required for kinetochore assembly and localizes the checkpoint proteins mdf-1 and mdf-2, dynein and dynactin to unattached kinetochores. Dynein is believed to control the initial lateral interaction between the kinetochore and spindle microtubules and to facilitate the subsequent formation of end [...]

Mitotic checkpoint serine/threonine-protein kinase bub-1; Serine/threonine-protein kinase essential for spindle- assembly checkpoint signaling. Plays a key role in the recruitment of the checkpoint proteins bub-3, mdf-1 and mdf-2 to unattached kinetochores. mdf-1 recruitment is independent of bub-1 kinase activity. Has a role in the correct kinetochore localization of the spindly-like protein spdl-1. In addition, during meiotic anaphase I, controls the recruitment of hcp- 1/2 and klp-19 to the ring-shaped domain formed between chromosomes. Involved in chromosome alignment, chromosome h [...]

Transforming acid coiled-coil-containing protein 1; Involved in microtubule formation, polymerization and assembly, regulating microtubule nucleation and length. Plays a role in pronuclear migration and mitotic and meiotic spindle elongation during early embryogenesis. In complex with zyg-9, functions during the early stages of embryonic development to regulate microtubule assembly throughout the cell cycle. Specifically, the complex is required for the formation and growth of astral microtubules and spindle microtubules during mitotic spindle assembly. At anaphase, the complex is requ [...]

Mitotic checkpoint serine/threonine-protein kinase bub-1; Serine/threonine-protein kinase essential for spindle- assembly checkpoint signaling. Plays a key role in the recruitment of the checkpoint proteins bub-3, mdf-1 and mdf-2 to unattached kinetochores. mdf-1 recruitment is independent of bub-1 kinase activity. Has a role in the correct kinetochore localization of the spindly-like protein spdl-1. In addition, during meiotic anaphase I, controls the recruitment of hcp- 1/2 and klp-19 to the ring-shaped domain formed between chromosomes. Involved in chromosome alignment, chromosome h [...]

Protein zwilch homolog; Essential component of the mitotic checkpoint, which prevents cells from prematurely exiting mitosis. Required for chromosome segregation, the assembly of the dynein-dynactin and mdf-1- mdf-2 complexes onto kinetochores and spindle pole separation. Its function related to the spindle assembly machinery and kinetochore-microtubule attachments likely depends on its association in the mitotic RZZ complex. The RZZ complex recruits the spindly-like protein spdl-1 to kinetochores. To prevent irregular chromosome segregation, the complex also inhibits the attachment of [...]

Mitotic checkpoint protein bub-3; Has a dual function in spindle-assembly checkpoint signaling and in promoting the establishment of correct kinetochore-microtubule (K-MT) attachments. Promotes the formation of stable end-on bipolar attachments of chromosomes. Necessary for expression and kinetochore localization of bub-1. Plays a role in synapsis checkpoint signaling inducing apoptosis in response to unsynapsed chromosomes and thus controlling chromosomal segregation during oocyte meiosis.

Mitotic checkpoint serine/threonine-protein kinase bub-1; Serine/threonine-protein kinase essential for spindle- assembly checkpoint signaling. Plays a key role in the recruitment of the checkpoint proteins bub-3, mdf-1 and mdf-2 to unattached kinetochores. mdf-1 recruitment is independent of bub-1 kinase activity. Has a role in the correct kinetochore localization of the spindly-like protein spdl-1. In addition, during meiotic anaphase I, controls the recruitment of hcp- 1/2 and klp-19 to the ring-shaped domain formed between chromosomes. Involved in chromosome alignment, chromosome h [...]