KNTC1
Kinetochore-associated protein 1
Also known as: KIAA0166, KNTC1_HUMAN, ROD
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- P50748
- Gene
- KNTC1
- Ensembl
- ENSG00000184445
- Chromosome
- 12
- Canonical length
- 2209 aa
- Protein class
- Plasma proteins, Predicted intracellular proteins
- Subcellular location
- Plasma membrane,Cytosol
OverviewNCBI Gene
This gene encodes a protein that is one of many involved in mechanisms to ensure proper chromosome segregation during cell division. Experimental evidence indicated that the encoded protein functioned in a similar manner to that of the Drosophila rough deal protein. [provided by RefSeq, Jul 2008]
Canonical amino-acid sequenceUniProt
2209 residues, UniProt reviewed canonical sequence.
>P50748|KNTC1
1 MWNDIELLTN DDTGSGYLSV GSRKEHGTAL YQVDLLVKIS SEKASLNPKI QACSLSDGFI
61 IVADQSVILL DSICRSLQLH LVFDTEVDVV GLCQEGKFLL VGERSGNLHL IHVTSKQTLL
121 TNAFVQKAND ENRRTYQNLV IEKDGSNEGT YYMLLLTYSG FFCITNLQLL KIQQAIENVD
181 FSTAKKLQGQ IKSSFISTEN YHTLGCLSLV AGDLASEVPV IIGGTGNCAF SKWEPDSSKK
241 GMTVKNLIDA EIIKGAKKFQ LIDNLLFVLD TDNVLSLWDI YTLTPVWNWP SLHVEEFLLT
301 TEADSPSSVT WQGITNLKLI ALTASANKKM KNLMVYSLPT MEILYSLEVS SVSSLVQTGI
361 STDTIYLLEG VCKNDPKLSE DSVSVLVLRC LTEALPENRL SRLLHKHRFA EAESFAIQFG
421 LDVELVYKVK SNHILEKLAL SSVDASEQTE WQQLVDDAKE NLHKIQDDEF VVNYCLKAQW
481 ITYETTQEML NYAKTRLLKK EDKTALIYSD GLKEVLRAHA KLTTFYGAFG PEKFSGSSWI
541 EFLNNEDDLK DIFLQLKEGN LVCAQYLWLR HRANFESRFD VKMLESLLNS MSASVSLQKL
601 CPWFKNDVIP FVRRTVPEGQ IILAKWLEQA ARNLELTDKA NWPENGLQLA EIFFTAEKTD
661 ELGLASSWHW ISLKDYQNTE EVCQLRTLVN NLRELITLHR KYNCKLALSD FEKENTTTIV
721 FRMFDKVLAP ELIPSILEKF IRVYMREHDL QEEELLLLYI EDLLNRCSSK STSLFETAWE
781 AKAMAVIACL SDTDLIFDAV LKIMYAAVVP WSAAVEQLVK QHLEMDHPKV KLLQESYKLM
841 EMKKLLRGYG IREVNLLNKE IMRVVRYILK QDVPSSLEDA LKVAQAFMLS DDEIYSLRII
901 DLIDREQGED CLLLLKSLPP AEAEKTAERV IIWARLALQE EPDHSKEGKA WRMSVAKTSV
961 DILKILCDIQ KDNLQKKDEC EEMLKLFKEV ASLQENFEVF LSFEDYSNSS LVADLREQHI
1021 KAHEVAQAKH KPGSTPEPIA AEVRSPSMES KLHRQALALQ MSKQELEAEL TLRALKDGNI
1081 KTALKKCSDL FKYHCNADTG KLLFLTCQKL CQMLADNVPV TVPVGLNLPS MIHDLASQAA
1141 TICSPDFLLD ALELCKHTLM AVELSRQCQM DDCGILMKAS FGTHKDPYEE WSYSDFFSED
1201 GIVLESQMVL PVIYELISSL VPLAESKRYP LESTSLPYCS LNEGDGLVLP VINSISALLQ
1261 NLQESSQWEL ALRFVVGSFG TCLQHSVSNF MNATLSEKLF GETTLVKSRH VVMELKEKAV
1321 IFIRENATTL LHKVFNCRLV DLDLALGYCT LLPQKDVFEN LWKLIDKAWQ NYDKILAISL
1381 VGSELASLYQ EIEMGLKFRE LSTDAQWGIR LGKLGISFQP VFRQHFLTKK DLIKALVENI
1441 DMDTSLILEY CSTFQLDCDA VLQLFIETLL HNTNAGQGQG DASMDSAKRR HPKLLAKALE
1501 MVPLLTSTKD LVISLSGILH KLDPYDYEMI EVVLKVIERA DEKITNININ QALSILKHLK
1561 SYRRISPPVD LEYQYMLEHV ITLPSAAQTR LPFHLIFFGT AQNFWKILST ELSEESFPTL
1621 LLISKLMKFS LDTLYVSTAK HVFEKKLKPK LLKLTQAKSS TLINKEITKI TQTIESCLLS
1681 IVNPEWAVAI AISLAQDIPE GSFKISALKF CLYLAERWLQ NIPSQDEKRE KAEALLKKLH
1741 IQYRRSGTEA VLIAHKLNTE EYLRVIGKPA HLIVSLYEHP SINQRIQNSS GTDYPDIHAA
1801 AKEIAEVNEI NLEKVWDMLL EKWLCPSTKP GEKPSELFEL QEDEALRRVQ YLLLSRPIDY
1861 SSRMLFVFAT STTTTLGMHQ LTFAHRTRAL QCLFYLADKE TIESLFKKPI EEVKSYLRCI
1921 TFLASFETLN IPITYELFCS SPKEGMIKGL WKNHSHESMA VRLVTELCLE YKIYDLQLWN
1981 GLLQKLLGFN MIPYLRKVLK AISSIHSLWQ VPYFSKAWQR VIQIPLLSAS CPLSPDQLSD
2041 CSESLIAVLE CPVSGDLDLI GVARQYIQLE LPAFALACLM LMPHSEKRHQ QIKNFLGSCD
2101 PQVILKQLEE HMNTGQLAGF SHQIRSLILN NIINKKEFGI LAKTKYFQML KMHAMNTNNI
2161 TELVNYLAND LSLDEASVLI TEYSKHCGKP VPPDTAPCEI LKMFLSGLSLocalizationUniProt · AlphaFold · HPA
Whether an antibody against KNTC1 can act on the native protein depends on physical access: surface and secreted proteins are reachable by circulating antibodies, intracellular proteins usually are not.
- Antibody reachability
- Intracellular
- Secreted
- No
- Transmembrane segments
- 0
- Mean surface accessibility (rSASA)
- 0.29
- Highest tissue expression
- 40 nTPM
Expression across tissuesHPA
Tissue
- bone marrow: 40 nTPM
- testis: 27 nTPM
- spleen: 18 nTPM
- thymus: 17 nTPM
- tonsil: 16 nTPM
- lymph node: 15 nTPM
Single-cell type
- erythrocyte progenitors: 105 nCPM
- monocyte progenitors: 102 nCPM
- early primary spermatocytes: 96 nCPM
- differentiating spermatogonia: 78 nCPM
- megakaryocyte progenitors: 74 nCPM
- plasma cells: 73 nCPM
Immune cell
- basophil: 2.4 nTPM
- eosinophil: 1.8 nTPM
- memory B-cell: 1.6 nTPM
- neutrophil: 1.6 nTPM
- memory CD8 T-cell: 1.3 nTPM
- memory CD4 T-cell: 1.1 nTPM
Brain region
- white matter: 12 nTPM
- cerebellum: 12 nTPM
- thalamus: 11 nTPM
- cerebral cortex: 11 nTPM
- pons: 10 nTPM
- medulla oblongata: 10 nTPM
Genetic constraint and essentialitygnomAD · DepMap
Does the body need this protein intact? Low LOEUF or a strong DepMap dependency means loss or blockade of the protein is likely to be felt.
- gnomAD LOEUF (loss-of-function intolerance)
- 0.83
- gnomAD pLI
- 0
- gnomAD missense Z
- 0.91
- DepMap mean gene effect
- -0.2
- DepMap dependency class
- selective
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 6% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- cell division
- mitotic sister chromatid segregation
- mitotic spindle assembly checkpoint signaling
- protein-containing complex assembly
- regulation of attachment of spindle microtubules to kinetochore
- regulation of exit from mitosis
- protein localization to kinetochore involved in kinetochore assembly
Molecular functions
Cellular components
Protein domainsUniProt · Pfam · InterPro
- WD40-repeat-containing domain superfamily
- RZZ complex, subunit KNTC1/ROD, C-terminal
- Kinetochore-associated protein 1
- KNTC1, N-terminal
- KNTC1, first ARM-repeats domain
- KNTC1, second ARM-repeats domain
- KNTC1, third ARM-repeats domain
- Rough deal protein C-terminal region
- KNTC1, N-terminal
- KNTC1 third ARM-repeats domain
- KNTC1 second ARM-repeats domain
- KNTC1 first ARM-repeats domain
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of KNTC1 in the human serome: UniProt-annotated complex subunits plus reported interactors. Each links to its own Seroatlas record.
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads KNTC1 as an antibody target. Whether an autoantibody or antibody against KNTC1 could matter depends on whether native KNTC1 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
KNTC1 is annotated as predominantly intracellular. Intracellular proteins are common autoantibody markers, becoming visible to the immune system after cell injury or altered processing, but are usually markers of disease rather than direct drivers.
Annotation status
The present source text does not explicitly label KNTC1 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
Loading the interactive Seroatlas protein explorer...