CBX3

CBX3
Available structures
PDBOrtholog search: PDBe RCSB
Identifiers
AliasesCBX3, HECH, HP1-GAMMA, HP1Hs-gamma, chromobox 3
External IDsOMIM: 604477 MGI: 108515 HomoloGene: 40583 GeneCards: CBX3
Gene location (Human)
Chr.Chromosome 7 (human)[1]
Band7p15.2Start26,201,162 bp[1]
End26,213,356 bp[1]
RNA expression pattern
More reference expression data
Orthologs
SpeciesHumanMouse
Entrez

11335

12417

Ensembl

ENSG00000122565

ENSMUSG00000029836

UniProt

Q13185

P23198

RefSeq (mRNA)

NM_007276
NM_016587

NM_001037798
NM_007624
NM_001355002

RefSeq (protein)

NP_009207
NP_057671

n/a

Location (UCSC)Chr 7: 26.2 – 26.21 MbChr 6: 51.47 – 51.48 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

Chromobox protein homolog 3 is a protein that is encoded by the CBX3 gene in humans.[5][6]

At the nuclear envelope, the nuclear lamina and heterochromatin are adjacent to the inner nuclear membrane. The protein encoded by this gene binds DNA and is a component of heterochromatin. This protein also can bind lamin B receptor, an integral membrane protein found in the inner nuclear membrane. The dual binding functions of the encoded protein may explain the association of heterochromatin with the inner nuclear membrane. Two transcript variants encoding the same protein but differing in the 5' UTR, have been found for this gene.[6]

Interactions

CBX3 has been shown to interact with PIM1,[7] Ki-67,[8] Lamin B receptor,[9] CBX5[10] and CBX1.[10]

See also

References

  1. 1 2 3 GRCh38: Ensembl release 89: ENSG00000122565 - Ensembl, May 2017
  2. 1 2 3 GRCm38: Ensembl release 89: ENSMUSG00000029836 - Ensembl, May 2017
  3. ↑ "Human PubMed Reference:".
  4. ↑ "Mouse PubMed Reference:".
  5. ↑ Ye Q, Worman HJ (August 1996). "Interaction between an integral protein of the nuclear envelope inner membrane and human chromodomain proteins homologous to Drosophila HP1". J Biol Chem. 271 (25): 14653–6. doi:10.1074/jbc.271.25.14653. PMID 8663349.
  6. 1 2 "Entrez Gene: CBX3 chromobox homolog 3 (HP1 gamma homolog, Drosophila)".
  7. ↑ Koike, N; Maita H; Taira T; Ariga H; Iguchi-Ariga S M (February 2000). "Identification of heterochromatin protein 1 (HP1) as a phosphorylation target by Pim-1 kinase and the effect of phosphorylation on the transcriptional repression function of HP1(1)". FEBS Lett. NETHERLANDS. 467 (1): 17–21. doi:10.1016/S0014-5793(00)01105-4. ISSN 0014-5793. PMID 10664448.
  8. ↑ Kametaka, Ai; Takagi Masatoshi; Hayakawa Tomohiro; Haraguchi Tokuko; Hiraoka Yasushi; Yoneda Yoshihiro (December 2002). "Interaction of the chromatin compaction-inducing domain (LR domain) of Ki-67 antigen with HP1 proteins". Genes Cells. England. 7 (12): 1231–42. doi:10.1046/j.1365-2443.2002.00596.x. ISSN 1356-9597. PMID 12485163.
  9. ↑ Ye, Q; Worman H J (June 1996). "Interaction between an integral protein of the nuclear envelope inner membrane and human chromodomain proteins homologous to Drosophila HP1". J. Biol. Chem. UNITED STATES. 271 (25): 14653–6. doi:10.1074/jbc.271.25.14653. ISSN 0021-9258. PMID 8663349.
  10. 1 2 Nielsen, A L; Oulad-Abdelghani M; Ortiz J A; Remboutsika E; Chambon P; Losson R (April 2001). "Heterochromatin formation in mammalian cells: interaction between histones and HP1 proteins". Mol. Cell. United States. 7 (4): 729–39. doi:10.1016/S1097-2765(01)00218-0. ISSN 1097-2765. PMID 11336697.

Further reading

  • Ye Q, Callebaut I, Pezhman A, et al. (1997). "Domain-specific interactions of human HP1-type chromodomain proteins and inner nuclear membrane protein LBR". J. Biol. Chem. 272 (23): 14983–9. doi:10.1074/jbc.272.23.14983. PMID 9169472.
  • Lessard J, Baban S, Sauvageau G (1998). "Stage-specific expression of polycomb group genes in human bone marrow cells". Blood. 91 (4): 1216–24. PMID 9454751.
  • Seeler JS, Marchio A, Sitterlin D, et al. (1998). "Interaction of SP100 with HP1 proteins: A link between the promyelocytic leukemia-associated nuclear bodies and the chromatin compartment". Proc. Natl. Acad. Sci. U.S.A. 95 (13): 7316–21. Bibcode:1998PNAS...95.7316S. doi:10.1073/pnas.95.13.7316. PMC 22602. PMID 9636146.
  • Lehming N, Le Saux A, Schüller J, Ptashne M (1998). "Chromatin components as part of a putative transcriptional repressing complex". Proc. Natl. Acad. Sci. U.S.A. 95 (13): 7322–6. Bibcode:1998PNAS...95.7322L. doi:10.1073/pnas.95.13.7322. PMC 22604. PMID 9636147.
  • Ainsztein AM, Kandels-Lewis SE, Mackay AM, Earnshaw WC (1999). "INCENP Centromere and Spindle Targeting: Identification of Essential Conserved Motifs and Involvement of Heterochromatin Protein HP1". J. Cell Biol. 143 (7): 1763–74. doi:10.1083/jcb.143.7.1763. PMC 2175214. PMID 9864353.
  • Ryan RF, Schultz DC, Ayyanathan K, et al. (1999). "KAP-1 Corepressor Protein Interacts and Colocalizes with Heterochromatic and Euchromatic HP1 Proteins: a Potential Role for Krüppel-Associated Box–Zinc Finger Proteins in Heterochromatin-Mediated Gene Silencing". Mol. Cell. Biol. 19 (6): 4366–78. doi:10.1128/mcb.19.6.4366. PMC 104396. PMID 10330177.
  • Minc E, Allory Y, Worman HJ, et al. (1999). "Localization and phosphorylation of HP1 proteins during the cell cycle in mammalian cells". Chromosoma. 108 (4): 220–34. doi:10.1007/s004120050372. PMID 10460410.
  • Nielsen AL, Ortiz JA, You J, et al. (2000). "Interaction with members of the heterochromatin protein 1 (HP1) family and histone deacetylation are differentially involved in transcriptional silencing by members of the TIF1 family". EMBO J. 18 (22): 6385–95. doi:10.1093/emboj/18.22.6385. PMC 1171701. PMID 10562550.
  • Koike N, Maita H, Taira T, et al. (2000). "Identification of heterochromatin protein 1 (HP1) as a phosphorylation target by Pim-1 kinase and the effect of phosphorylation on the transcriptional repression function of HP1(1)". FEBS Lett. 467 (1): 17–21. doi:10.1016/S0014-5793(00)01105-4. PMID 10664448.
  • Minc E, Courvalin JC, Buendia B (2001). "HP1gamma associates with euchromatin and heterochromatin in mammalian nuclei and chromosomes". Cytogenet. Cell Genet. 90 (3–4): 279–84. doi:10.1159/000056789. PMID 11124534.
  • Lachner M, O'Carroll D, Rea S, et al. (2001). "Methylation of histone H3 lysine 9 creates a binding site for HP1 proteins". Nature. 410 (6824): 116–20. doi:10.1038/35065132. PMID 11242053.
  • Nielsen AL, Oulad-Abdelghani M, Ortiz JA, et al. (2001). "Heterochromatin formation in mammalian cells: interaction between histones and HP1 proteins". Mol. Cell. 7 (4): 729–39. doi:10.1016/S1097-2765(01)00218-0. PMID 11336697.
  • Scholzen T, Endl E, Wohlenberg C, et al. (2002). "The Ki-67 protein interacts with members of the heterochromatin protein 1 (HP1) family: a potential role in the regulation of higher-order chromatin structure". J. Pathol. 196 (2): 135–44. doi:10.1002/path.1016. PMID 11793364.
  • Vassallo MF, Tanese N (2002). "Isoform-specific interaction of HP1 with human TAFII130". Proc. Natl. Acad. Sci. U.S.A. 99 (9): 5919–24. Bibcode:2002PNAS...99.5919V. doi:10.1073/pnas.092025499. PMC 122877. PMID 11959914.
  • Ogawa H, Ishiguro K, Gaubatz S, et al. (2002). "A complex with chromatin modifiers that occupies E2F- and Myc-responsive genes in G0 cells". Science. 296 (5570): 1132–6. Bibcode:2002Sci...296.1132O. doi:10.1126/science.1069861. PMID 12004135.
  • Hwang KK, Worman HJ (2002). "Gene regulation by human orthologs of Drosophila heterochromatin protein 1". Biochem. Biophys. Res. Commun. 293 (4): 1217–22. doi:10.1016/S0006-291X(02)00377-7. PMID 12054505.
  • Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. Bibcode:2002PNAS...9916899M. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
  • Kametaka A, Takagi M, Hayakawa T, et al. (2003). "Interaction of the chromatin compaction-inducing domain (LR domain) of Ki-67 antigen with HP1 proteins". Genes Cells. 7 (12): 1231–42. doi:10.1046/j.1365-2443.2002.00596.x. PMID 12485163.
  • Cheutin T, McNairn AJ, Jenuwein T, et al. (2003). "Maintenance of stable heterochromatin domains by dynamic HP1 binding". Science. 299 (5607): 721–5. Bibcode:2003Sci...299..721C. doi:10.1126/science.1078572. PMID 12560555.

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