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DROME:HP1

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Contents

Species (Taxon ID) Drosophila melanogaster (Fruit fly). ([1])
Gene Name(s) Su(var)205 (synonyms: HP1)
Protein Name(s) Heterochromatin protein 1

HP1 Non-histone chromosomal protein C1A9 antigen

External Links
EMBL M57574
M14131
FJ218607
FJ218612
FJ218613
FJ218614
FJ218615
FJ218616
FJ218617
FJ218618
FJ218619
FJ218620
FJ218621
FJ218622
FJ218623
FJ218624
FJ218625
FJ218626
FJ218627
FJ218628
FJ218629
FJ218630
FJ218631
FJ218632
FJ218633
FJ218634
FJ218635
FJ218636
FJ218637
FJ218638
FJ218639
AE014134
AE014134
AY061119
PIR A39268
RefSeq NP_476755.1
NP_723361.1
UniGene Dm.3713
PDB 1KNA
1KNE
1Q3L
3P7J
PDBsum 1KNA
1KNE
1Q3L
3P7J
ProteinModelPortal P05205
SMR P05205
DIP DIP-21869N
IntAct P05205
MINT MINT-271388
STRING P05205
EnsemblMetazoa FBtr0079635
FBtr0079636
GeneID 34119
KEGG dme:Dmel_CG8409
CTD 34119
FlyBase FBgn0003607
eggNOG inNOG10141
GeneTree EMGT00050000005564
InParanoid P05205
OMA PETENTW
OrthoDB EOG40CG02
PhylomeDB P05205
NextBio 786946
ArrayExpress P05205
Bgee P05205
GermOnline CG8409
GO GO:0005721
GO:0000780
GO:0005720
GO:0005701
GO:0005703
GO:0035012
GO:0003682
GO:0042393
GO:0003729
GO:0000182
GO:0003696
GO:0030702
GO:0044026
GO:0006343
GO:0034773
GO:0045893
GO:0042981
GO:0031060
GO:0000723
GO:0006351
InterPro IPR017984
IPR023780
IPR000953
IPR008251
IPR018125
IPR016197
Pfam PF00385
PF01393
PRINTS PR00504
SMART SM00298
SM00300
SUPFAM SSF54160
PROSITE PS00598
PS50013

Annotations

Qualifier GO ID GO term name Reference Evidence Code with/from Aspect Notes Status
GO:0000182

rDNA binding

PMID:16675949[1]

IDA: Inferred from Direct Assay

F

Seeded From UniProt

GO:0000723

telomere maintenance

PMID:15304225[2]

IMP: Inferred from Mutant Phenotype

P

Seeded From UniProt

GO:0000775

chromosome, centromeric region

PMID:12771122[3]

NAS: Non-traceable Author Statement

C

Seeded From UniProt

GO:0000775

chromosome, centromeric region

PMID:14579245[4]

TAS: Traceable Author Statement

C

Seeded From UniProt

GO:0000780

condensed nuclear chromosome, centromeric region

PMID:16675949[1]

IDA: Inferred from Direct Assay

C

Seeded From UniProt

GO:0000781

chromosome, telomeric region

PMID:11258476[5]

NAS: Non-traceable Author Statement

C

Seeded From UniProt

GO:0000781

chromosome, telomeric region

PMID:20057353[6]

IDA: Inferred from Direct Assay

C

Seeded From UniProt

GO:0000781

chromosome, telomeric region

PMID:21093267[7]

IDA: Inferred from Direct Assay

C

Seeded From UniProt

GO:0000792

heterochromatin

PMID:12771122[3]

NAS: Non-traceable Author Statement

C

Seeded From UniProt

GO:0000792

heterochromatin

PMID:14579245[4]

TAS: Traceable Author Statement

C

Seeded From UniProt

GO:0000792

heterochromatin

PMID:16980400[8]

IDA: Inferred from Direct Assay

C

Seeded From UniProt

GO:0000793

condensed chromosome

PMID:16980400[8]

IDA: Inferred from Direct Assay

C

Seeded From UniProt

GO:0003682

chromatin binding

PMID:18020713[9]

IDA: Inferred from Direct Assay

F

Seeded From UniProt

GO:0003696

satellite DNA binding

PMID:16675949[1]

IDA: Inferred from Direct Assay

F

Seeded From UniProt

GO:0003729

mRNA binding

PMID:12771122[3]

NAS: Non-traceable Author Statement

F

Seeded From UniProt

GO:0005515

protein binding

PMID:12808023[10]

IPI: Inferred from Physical Interaction

UniProtKB:Q9VIE6

F

Seeded From UniProt

GO:0005515

protein binding

PMID:12826664[11]

IPI: Inferred from Physical Interaction

UniProtKB:Q95RV2

F

Seeded From UniProt

GO:0005515

protein binding

PMID:21703449[12]

IPI: Inferred from Physical Interaction

UniProtKB:Q9W0Z5

F

Seeded From UniProt

GO:0005634

nucleus

GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR000953

C

Seeded From UniProt

GO:0005634

nucleus

GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR008251

C

Seeded From UniProt

GO:0005634

nucleus

GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0539

C

Seeded From UniProt

GO:0005634

nucleus

GO_REF:0000023

IEA: Inferred from Electronic Annotation

SP_SL:SL-0191

C

Seeded From UniProt

GO:0005634

nucleus

PMID:16675949[1]

IDA: Inferred from Direct Assay

C

Seeded From UniProt

GO:0005694

chromosome

PMID:19750210[13]

IDA: Inferred from Direct Assay

C

Seeded From UniProt

GO:0005700

polytene chromosome

PMID:17909832[14]

IDA: Inferred from Direct Assay

C

Seeded From UniProt

GO:0005701

polytene chromosome chromocenter

PMID:12723693[15]

IDA: Inferred from Direct Assay

C

Seeded From UniProt

GO:0005701

polytene chromosome chromocenter

PMID:12756231[16]

IDA: Inferred from Direct Assay

C

Seeded From UniProt

GO:0005701

polytene chromosome chromocenter

PMID:14579245[4]

TAS: Traceable Author Statement

C

Seeded From UniProt

GO:0005701

polytene chromosome chromocenter

PMID:18981478[17]

IDA: Inferred from Direct Assay

C

Seeded From UniProt

GO:0005701

polytene chromosome chromocenter

PMID:21703449[12]

IDA: Inferred from Direct Assay

C

Seeded From UniProt

GO:0005703

polytene chromosome puff

PMID:12723693[15]

IDA: Inferred from Direct Assay

C

Seeded From UniProt

GO:0005703

polytene chromosome puff

PMID:12756231[16]

IDA: Inferred from Direct Assay

C

Seeded From UniProt

GO:0005703

polytene chromosome puff

PMID:12771122[3]

TAS: Traceable Author Statement

C

Seeded From UniProt

GO:0005704

polytene chromosome band

PMID:21703449[12]

IDA: Inferred from Direct Assay

C

Seeded From UniProt

GO:0005720

nuclear heterochromatin

PMID:12376620[18]

IDA: Inferred from Direct Assay

C

Seeded From UniProt

GO:0005721

centromeric heterochromatin

PMID:11258476[5]

NAS: Non-traceable Author Statement

C

Seeded From UniProt

GO:0006342

chromatin silencing

PMID:11901117[19]

IMP: Inferred from Mutant Phenotype

P

Seeded From UniProt

GO:0006343

establishment of chromatin silencing

PMID:11179225[20]

IMP: Inferred from Mutant Phenotype

P

Seeded From UniProt

GO:0006351

transcription, DNA-dependent

GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0804

P

Seeded From UniProt

GO:0006355

regulation of transcription, DNA-dependent

GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0805

P

Seeded From UniProt

GO:0006355

regulation of transcription, DNA-dependent

PMID:16258543[21]

IMP: Inferred from Mutant Phenotype

P

Seeded From UniProt

GO:0016568

chromatin modification

GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0156

P

Seeded From UniProt

GO:0030702

chromatin silencing at centromere

PMID:11901117[19]

IMP: Inferred from Mutant Phenotype

P

Seeded From UniProt

GO:0031060

regulation of histone methylation

PMID:16258543[21]

IMP: Inferred from Mutant Phenotype

P

Seeded From UniProt

GO:0034773

histone H4-K20 trimethylation

PMID:18296440[22]

IMP: Inferred from Mutant Phenotype

P

Seeded From UniProt

GO:0035012

polytene chromosome, telomeric region

PMID:12723693[15]

IDA: Inferred from Direct Assay

C

Seeded From UniProt

GO:0035012

polytene chromosome, telomeric region

PMID:12756231[16]

IDA: Inferred from Direct Assay

C

Seeded From UniProt

GO:0035012

polytene chromosome, telomeric region

PMID:14579245[4]

TAS: Traceable Author Statement

C

Seeded From UniProt

GO:0042393

histone binding

PMID:12771122[3]

NAS: Non-traceable Author Statement

F

Seeded From UniProt

GO:0042981

regulation of apoptosis

PMID:16258543[21]

IMP: Inferred from Mutant Phenotype

P

Seeded From UniProt

GO:0044026

DNA hypermethylation

PMID:20498723[23]

IMP: Inferred from Mutant Phenotype

P

Seeded From UniProt

GO:0045892

negative regulation of transcription, DNA-dependent

PMID:12771122[3]

NAS: Non-traceable Author Statement

P

Seeded From UniProt

GO:0045893

positive regulation of transcription, DNA-dependent

PMID:12771122[3]

TAS: Traceable Author Statement

P

Seeded From UniProt

GO:0000792

heterochromatin

PMID:21966530[24]

IDA: Inferred from Direct Assay

C

Figure 1. Interaction of MU2 and HP1a.

complete

GO:0051276

chromosome organization

PMID:17151257[25]

IMP: Inferred from Mutant Phenotype

P

Seeded From UniProt

GO:0005701

polytene chromosome chromocenter

PMID:21966530[24]

IMP: Inferred from Mutant Phenotype

C

Figure 3. Effects of HP1a depletion on focal movement.

complete

GO:0010369

chromocenter

PMID:21966530[24]

IDA: Inferred from Direct Assay

C

Figure 4. HP1a is not recruited to IRIF and laser induced breaks.

complete

GO:0005657

replication fork

PMID:21966530[24]

IDA: Inferred from Direct Assay

C

Figure 5. MU2 and cH2Av recognize stalled replication forks.

complete

GO:0007067

mitosis

PMID:21966530[24]

IDA: Inferred from Direct Assay

P

Fig 7. Treatment of S2 cells with HP1a dsRNA leads to a decrease in the number of cells in S phase and an apparent increase in the number of cells at both G1 and G2/M.

complete

GO:0051332

S phase of meiotic cell cycle

PMID:21966530[24]

IDA: Inferred from Direct Assay

P

Figure 7. HP1a depletion affects cell cycle in S2 cells.

complete

GO:0042981

regulation of apoptosis

PMID:21966530[24]

IDA: Inferred from Direct Assay

P

Figure 8. Apoptosis and G2/M checkpoint in wing discs.

complete

Notes

References

See Help:References for how to manage references in GONUTS.

  1. 1.0 1.1 1.2 1.3 Blattes R et al. (2006) Displacement of D1, HP1 and topoisomerase II from satellite heterochromatin by a specific polyamide. EMBO J 25: 2397-408 PubMed GONUTS page
  2. Perrini B et al. (2004) HP1 controls telomere capping, telomere elongation, and telomere silencing by two different mechanisms in Drosophila. Mol Cell 15: 467-76 PubMed GONUTS page
  3. 3.0 3.1 3.2 3.3 3.4 3.5 3.6 Kellum R (2003) Is HP1 an RNA detector that functions both in repression and activation? J Cell Biol 161: 671-2 PubMed GONUTS page
  4. 4.0 4.1 4.2 4.3 Zhimulev IF & Belyaeva ES (2003) Intercalary heterochromatin and genetic silencing. Bioessays 25: 1040-51 PubMed GONUTS page
  5. 5.0 5.1 Gonzalez C & Bornens M (2000) Light, flies and cell division. Workshop: regulation of cell division in Drosophila. EMBO Rep 1: 390-3 PubMed GONUTS page
  6. Gao G et al. (2010) HipHop interacts with HOAP and HP1 to protect Drosophila telomeres in a sequence-independent manner. EMBO J 29: 819-29 PubMed GONUTS page
  7. Dubruille R et al. (2010) Specialization of a Drosophila capping protein essential for the protection of sperm telomeres. Curr Biol 20: 2090-9 PubMed GONUTS page
  8. 8.0 8.1 Shaffer CD et al. (2006) The large isoform of Drosophila melanogaster heterochromatin protein 2 plays a critical role in gene silencing and chromosome structure. Genetics 174: 1189-204 PubMed GONUTS page
  9. Johansson AM et al. (2007) POF and HP1 bind expressed exons, suggesting a balancing mechanism for gene regulation. PLoS Genet 3: e209 PubMed GONUTS page
  10. Christensen TW & Tye BK (2003) Drosophila MCM10 interacts with members of the prereplication complex and is required for proper chromosome condensation. Mol Biol Cell 14: 2206-15 PubMed GONUTS page
  11. Badugu R et al. (2003) Novel Drosophila heterochromatin protein 1 (HP1)/origin recognition complex-associated protein (HOAP) repeat motif in HP1/HOAP interactions and chromocenter associations. J Biol Chem 278: 34491-8 PubMed GONUTS page
  12. 12.0 12.1 12.2 Seong KH et al. (2011) Inheritance of stress-induced, ATF-2-dependent epigenetic change. Cell 145: 1049-61 PubMed GONUTS page
  13. Koch CM et al. (2009) Windei, the Drosophila homolog of mAM/MCAF1, is an essential cofactor of the H3K9 methyl transferase dSETDB1/Eggless in germ line development. PLoS Genet 5: e1000644 PubMed GONUTS page
  14. Gause M et al. (2008) Functional links between Drosophila Nipped-B and cohesin in somatic and meiotic cells. Chromosoma 117: 51-66 PubMed GONUTS page
  15. 15.0 15.1 15.2 Fanti L et al. (2003) Chromosomal distribution of heterochromatin protein 1 (HP1) in Drosophila: a cytological map of euchromatic HP1 binding sites. Genetica 117: 135-47 PubMed GONUTS page
  16. 16.0 16.1 16.2 Piacentini L et al. (2003) Heterochromatin protein 1 (HP1) is associated with induced gene expression in Drosophila euchromatin. J Cell Biol 161: 707-14 PubMed GONUTS page
  17. Font-Burgada J et al. (2008) Drosophila HP1c isoform interacts with the zinc-finger proteins WOC and Relative-of-WOC to regulate gene expression. Genes Dev 22: 3007-23 PubMed GONUTS page
  18. Shaffer CD et al. (2002) Heterochromatin protein 2 (HP2), a partner of HP1 in Drosophila heterochromatin. Proc Natl Acad Sci U S A 99: 14332-7 PubMed GONUTS page
  19. 19.0 19.1 Donaldson KM et al. (2002) Modifiers of terminal deficiency-associated position effect variegation in Drosophila. Genetics 160: 995-1009 PubMed GONUTS page
  20. Seum C et al. (2001) Ectopic HP1 promotes chromosome loops and variegated silencing in Drosophila. EMBO J 20: 812-8 PubMed GONUTS page
  21. 21.0 21.1 21.2 Liu LP et al. (2005) Sex-specific role of Drosophila melanogaster HP1 in regulating chromatin structure and gene transcription. Nat Genet 37: 1361-6 PubMed GONUTS page
  22. Yang H et al. (2008) Preferential dimethylation of histone H4 lysine 20 by Suv4-20. J Biol Chem 283: 12085-92 PubMed GONUTS page
  23. Gou D et al. (2010) SETDB1 is involved in postembryonic DNA methylation and gene silencing in Drosophila. PLoS One 5: e10581 PubMed GONUTS page
  24. 24.0 24.1 24.2 24.3 24.4 24.5 24.6 Dronamraju R & Mason JM (2011) MU2 and HP1a regulate the recognition of double strand breaks in Drosophila melanogaster. PLoS One 6: e25439 PubMed GONUTS page
  25. Demakova OV et al. (2007) The SU(VAR)3-9/HP1 complex differentially regulates the compaction state and degree of underreplication of X chromosome pericentric heterochromatin in Drosophila melanogaster. Genetics 175: 609-20 PubMed GONUTS page
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