MKI67IP

NIFK
Available structures
PDBOrtholog search: PDBe RCSB
Identifiers
Aliases NIFK, MKI67IP, Nopp34, nucleolar protein interacting with the FHA domain of MKI67
External IDs MGI: 1915199 HomoloGene: 49862 GeneCards: NIFK
RNA expression pattern
More reference expression data
Orthologs
Species Human Mouse
Entrez

84365

67949

Ensembl

ENSG00000155438

ENSMUSG00000026377

UniProt

Q9BYG3

Q91VE6

RefSeq (mRNA)

NM_032390

NM_026472

RefSeq (protein)

NP_115766.3

NP_080748.3

Location (UCSC) Chr 2: 121.73 – 121.74 Mb Chr 1: 118.32 – 118.33 Mb
PubMed search [1] [2]
Wikidata
View/Edit HumanView/Edit Mouse
FHA Ki67 binding domain of hNIFK

the solution structure of the ki67fha/hnifk(226-269)3p complex
Identifiers
Symbol hNIFK_binding
Pfam PF12196
InterPro IPR021043

MKI67 FHA domain-interacting nucleolar phosphoprotein is a protein that in humans is encoded by the MKI67IP gene.[3][4] MKI67 FHA domain-interacting nucleolar phosphoprotein contains an RNA recognition motif (RRM) near to the N-terminus and a FHA Ki67 binding domain near to the C-terminus. There are two conserved sequence motifs within the FHA Ki67 binding domain: TPVCTP and LERRKS, this domain binds to the forkhead-associated domain of human Ki67. High-affinity binding requires sequential phosphorylation by two kinases, CDK1 and GSK3, yielding pThr238, pThr234 and pSer230. This interaction is involved in cell cycle regulation.[5]

References

  1. "Human PubMed Reference:".
  2. "Mouse PubMed Reference:".
  3. Takagi M, Sueishi M, Saiwaki T, Kametaka A, Yoneda Y (Jul 2001). "A novel nucleolar protein, NIFK, interacts with the forkhead associated domain of Ki-67 antigen in mitosis". J Biol Chem. 276 (27): 25386–91. doi:10.1074/jbc.M102227200. PMID 11342549.
  4. "Entrez Gene: MKI67IP MKI67 (FHA domain) interacting nucleolar phosphoprotein".
  5. Byeon IJ, Li H, Song H, Gronenborn AM, Tsai MD (November 2005). "Sequential phosphorylation and multisite interactions characterize specific target recognition by the FHA domain of Ki67". Nat. Struct. Mol. Biol. 12 (11): 987–93. doi:10.1038/nsmb1008. PMID 16244663.

Further reading

This article incorporates text from the public domain Pfam and InterPro IPR021043


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