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protein coding gene - chp2 (SPBC16C6.10) - heterochromatin (HP1) family chromodomain protein Chp2

Gene summary

Standard name
chp2
Systematic ID
SPBC16C6.10
Product
heterochromatin (HP1) family chromodomain protein Chp2
Organism
Schizosaccharomyces pombe (fission yeast)
Synonyms
clo2
UniProt ID
O42934
ORFeome ID
32/32F02
Characterisation status
biological role published
Feature type
mRNA gene
Genomic location
chromosome II: 4349995..4351244 forward strand

Annotation

GO biological process

GO:0006325 - chromatin organization

References:

GO:0031507 - heterochromatin formation

References:

GO:0031508 - pericentric heterochromatin formation

References:

GO:0000183 - rDNA heterochromatin formation

References:

GO:0031048 - regulatory ncRNA-mediated heterochromatin formation

References:

GO:0030466 - silent mating-type cassette heterochromatin formation

References:

GO:0031509 - subtelomeric heterochromatin formation

References:

GO cellular component

GO:0031934 - mating-type region heterochromatin

References:

GO:0005634 - nucleus

References:

GO:0005721 - pericentric heterochromatin

References:

GO:0140720 - subtelomeric heterochromatin

References:

GO molecular function

GO:0003677 - DNA binding

References:

GO:0062072 - histone H3K9me2/3 reader activity

References:

Modification

MOD:00046 - O-phospho-L-serine

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Multi-locus phenotype

FYPO:0004170 - abolished histone H3-K9 dimethylation at centromere during vegetative growth

References:

Genotypes:

FYPO:0003094 - decreased centromeric outer repeat transcript level

References:

Genotypes:

FYPO:0002834 - decreased chromatin silencing at centromere

References:

Genotypes:

FYPO:0003411 - decreased chromatin silencing at centromere inner repeat

References:

Genotypes:

FYPO:0006993 - decreased chromatin silencing at centromere otr1R

References:

Genotypes:

FYPO:0003412 - decreased chromatin silencing at centromere outer repeat

References:

Genotypes:

FYPO:0002827 - decreased chromatin silencing at silent mating-type cassette

References:

Genotypes:

FYPO:0004604 - decreased chromatin silencing at subtelomere

References:

Genotypes:

FYPO:0003573 - decreased protein localization to heterochromatin at silent mating-type cassette

References:

Genotypes:

FYPO:0003937 - increased cell population growth

References:

Genotypes:

FYPO:0001740 - increased gross chromosomal rearrangement

References:

Genotypes:

FYPO:0000228 - lagging mitotic chromosomes

References:

Genotypes:

FYPO:0002336 - normal chromatin silencing at silent mating-type cassette

References:

Genotypes:

FYPO:0000091 - sensitive to thiabendazole

References:

Genotypes:

Protein features

PBO:0111831 - chromodomain protein

PBO:0111837 - HP1/CBX family

Qualitative gene expression

PomGeneEx:0000018 - protein level increased

References:

PomGeneEx:0000012 - RNA level decreased

References:

Quantitative gene expression

PBO:0011963 - RNA level

References:

Single locus phenotype

FYPO:0001679 - abnormal protein localization to chromatin

References:

Genotypes:

FYPO:0007336 - abolished chromatin silencing at silent mating-type cassette

References:

Genotypes:

FYPO:0000659 - abolished DNA binding

References:

Genotypes:

FYPO:0004232 - abolished methylated histone binding

References:

Genotypes:

FYPO:0008153 - abolished protein localization to heterochromatin at silent mating-type cassette during vegetative growth

References:

Genotypes:

FYPO:0005396 - abolished protein localization to subtelomeric heterochromatin

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Genotypes:

FYPO:0000705 - abolished protein-protein interaction

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Genotypes:

FYPO:0007562 - decreased cell population growth on serine nitrogen source

References:

Genotypes:

FYPO:0001176 - decreased cell population growth on sucrose carbon source

References:

Genotypes:

FYPO:0003094 - decreased centromeric outer repeat transcript level

References:

Genotypes:

FYPO:0004984 - decreased chromatin binding at centromere central core

References:

Genotypes:

FYPO:0005929 - decreased chromatin binding at centromere outer repeat

References:

Genotypes:

FYPO:0002834 - decreased chromatin silencing at centromere

References:

Genotypes:

FYPO:0003412 - decreased chromatin silencing at centromere outer repeat

References:

Genotypes:

FYPO:0002827 - decreased chromatin silencing at silent mating-type cassette

References:

Genotypes:

FYPO:0004604 - decreased chromatin silencing at subtelomere

References:

Genotypes:

FYPO:0000658 - decreased DNA binding

References:

Genotypes:

FYPO:0003231 - decreased histone H3-K9 methylation at heterochromatin domain during vegetative growth

References:

Genotypes:

FYPO:0006599 - decreased protein localization to centromeric chromatin during vegetative growth

References:

Genotypes:

FYPO:0003573 - decreased protein localization to heterochromatin at silent mating-type cassette

References:

Genotypes:

FYPO:0002386 - decreased protein localization to pericentric heterochromatin at centromere outer repeat region

References:

Genotypes:

FYPO:0002387 - decreased protein localization to subtelomeric heterochromatin during vegetative growth

References:

Genotypes:

FYPO:0000966 - increased histone H3-K14 acetylation at centromere outer repeat during vegetative growth

References:

Genotypes:

FYPO:0007633 - increased histone H3-K14 acetylation at silent mating-type cassette during vegetative growth

References:

Genotypes:

FYPO:0006681 - increased histone H3-K9 acetylation at centromere inner repeat during vegetative growth

References:

Genotypes:

FYPO:0001859 - increased minichromosome loss

References:

Genotypes:

FYPO:0006300 - increased protein localization to heterochromatin at centromere inner repeat

References:

Genotypes:

FYPO:0004237 - increased protein localization to heterochromatin at centromere outer repeat region

References:

Genotypes:

FYPO:0004377 - increased protein localization to heterochromatin at silent mating-type cassette

References:

Genotypes:

FYPO:0000825 - increased RNA level during vegetative growth

References:

Genotypes:

FYPO:0006518 - loss of viability in G0

References:

Genotypes:

FYPO:0002567 - normal centromeric outer repeat transcript level

References:

Genotypes:

FYPO:0002336 - normal chromatin silencing at silent mating-type cassette

References:

Genotypes:

FYPO:0000655 - normal DNA binding

References:

Genotypes:

FYPO:0007553 - normal G1 to G0 transition

References:

Genotypes:

FYPO:0006811 - normal gross chromosomal rearrangement frequency

References:

Genotypes:

FYPO:0000964 - normal growth on thiabendazole

References:

Genotypes:

FYPO:0006683 - normal histone H3-K9 methylation at centromere inner repeat during vegetative growth

References:

Genotypes:

FYPO:0003235 - normal histone H3-K9 methylation at centromere outer repeat during vegetative growth

References:

Genotypes:

FYPO:0001839 - normal minichromosome loss

References:

Genotypes:

FYPO:0001513 - normal mitotic sister chromatid segregation

References:

Genotypes:

FYPO:0005072 - normal protein localization to centromeric chromatin

References:

Genotypes:

FYPO:0004378 - normal protein localization to heterochromatin at silent mating-type cassette

References:

Genotypes:

FYPO:0003576 - normal protein localization to subtelomeric heterochromatin

References:

Genotypes:

FYPO:0000590 - normal sporulation

References:

Genotypes:

FYPO:0007629 - normal viability during G0

References:

Genotypes:

FYPO:0009068 - resistance to ciclopirox olamine

References:

Genotypes:

FYPO:0000764 - resistance to cycloheximide

References:

Genotypes:

FYPO:0009038 - resistance to egtazic acid

References:

Genotypes:

FYPO:0001583 - resistance to lithium

References:

Genotypes:

FYPO:0000725 - resistance to methyl methanesulfonate

References:

Genotypes:

FYPO:0009081 - resistance to potassium chloride and methyl methanesulfonate

References:

Genotypes:

FYPO:0009043 - resistance to potassium chloride and sodium dodecyl sulfate

References:

Genotypes:

FYPO:0002767 - resistance to terbinafine

References:

Genotypes:

FYPO:0003383 - resistance to tert-butyl hydroperoxide

References:

Genotypes:

FYPO:0000327 - resistance to trichostatin A

References:

Genotypes:

FYPO:0000830 - resistance to vanadate

References:

Genotypes:

FYPO:0000094 - sensitive to benomyl

References:

Genotypes:

FYPO:0000799 - sensitive to diamide

References:

Genotypes:

FYPO:0000842 - sensitive to ethanol during vegetative growth

References:

Genotypes:

FYPO:0009088 - sensitive to magnesium chloride and sodium dodecyl sulfate

References:

Genotypes:

FYPO:0007924 - sensitive to potassium chloride and sodium dodecyl sulfate

References:

Genotypes:

FYPO:0007938 - sensitive to tea tree oil

References:

Genotypes:

FYPO:0006935 - viable cell with normal cell morphology during nitrogen starvation

References:

Genotypes:

FYPO:0001491 - viable vegetative cell

References:

Genotypes:

FYPO:0002060 - viable vegetative cell population

References:

Genotypes:

FYPO:0002177 - viable vegetative cell with normal cell morphology

References:

Genotypes:

Taxonomic conservation

PBO:0011065 - conserved in eukaryotes

PBO:0011071 - conserved in eukaryotes only

PBO:0011064 - conserved in fungi

PBO:0011069 - conserved in metazoa

PBO:0011070 - conserved in vertebrates

PBO:0000055 - no apparent S. cerevisiae ortholog

PBO:0006222 - predominantly single copy (one to one)

Protein features

IDNameInterPro nameDB name
PF00385ChromoChromo_domainPFAM
PF01393Chromo_shadowChromo_shadow_domPFAM
cd18637CD_Swi6_likeCDD
PS50013CHROMO_2Chromo/chromo_shadow_domPROSITE_PROFILES
SM00300ChS_2Chromo_shadow_domSMART
SM00298chromo_7Chromo/chromo_shadow_domSMART
SSF54160Chromo domain-likeChromo-like_dom_sfSUPERFAMILY
G3DSA:2.40.50.40GENE3D
PTHR22812CHROMOBOX PROTEINHeterochromatin_chromo-domainPANTHER
mobidb-lite-Disorderdisorder_predictionMOBIDB-Disorder
mobidb-lite-Low-complexitydisorder_predictionMOBIDB-Low-complexity
mobidb-lite-Negative-Polyelectrolytedisorder_predictionMOBIDB-Negative-Polyelectrolyte
mobidb-lite-Polardisorder_predictionMOBIDB-Polar

Orthologs

References / Literature

PMID:33260998 - High-Throughput Flow Cytometry Combined with Genetic Analysis Brings New Insights into the Understanding of Chromatin Regulation of Cellular Quiescence.
Zahedi Y et al. Int J Mol Sci 2020 Nov 27;21(23)
PMID:20299449 - A chromodomain switch mediated by histone H3 Lys 4 acetylation regulates heterochromatin assembly.
Xhemalce B et al. Genes Dev 2010 Apr 01;24(7):647-52
PMID:31000521 - Overlapping Roles in Chromosome Segregation for Heterochromatin Protein 1 (Swi6) and DDK in Schizosaccharomyces pombe .
Shen KF et al. Genetics 2019 Jun;212(2):417-430
PMID:37400983 - Cooperative DNA-binding activities of Chp2 are critical for its function in heterochromatin assembly.
Rahayu AF et al. J Biochem 2023 Sep 29;174(4):371-382
PMID:39945308 - Characterization of the Swi6/HP1 binding motif in its partner protein reveals the basis for the functional divergence of the HP1 family proteins in fission yeast.
Oya T et al. FASEB J 2025 Feb 28;39(4):e70387
PMID:16537923 - Sterol regulatory element binding protein is a principal regulator of anaerobic gene expression in fission yeast.
Todd BL et al. Mol Cell Biol 2006 Apr;26(7):2817-31
PMID:27168121 - Discovery of genes involved in mitosis, cell division, cell wall integrity and chromosome segregation through construction of Schizosaccharomyces pombe deletion strains.
Chen JS et al. Yeast 2016 Sep;33(9):507-17
PMID:20473289 - Analysis of a genome-wide set of gene deletions in the fission yeast Schizosaccharomyces pombe.
Kim DU et al. Nat Biotechnol 2010 Jun;28(6):617-623
PMID:30110338 - The binding of Chp2's chromodomain to methylated H3K9 is essential for Chp2's role in heterochromatin assembly in fission yeast.
Maksimov V et al. PLoS One 2018;13(8):e0201101
PMID:16246721 - The nucleation and maintenance of heterochromatin by a histone deacetylase in fission yeast.
Yamada T et al. Mol Cell 2005 Oct 28;20(2):173-85
PMID:21511999 - Comparative functional genomics of the fission yeasts.
Rhind N et al. Science 2011 May 20;332(6032):930-6
PMID:27738016 - RNA interference is essential for cellular quiescence.
Roche B et al. Science 2016 Nov 11;354(6313)
PMID:28682306 - Unique roles for histone H3K9me states in RNAi and heritable silencing of transcription.
Jih G et al. Nature 2017 Jul 27;547(7664):463-467
PMID:33378674 - The INO80 Complex Regulates Epigenetic Inheritance of Heterochromatin.
Shan CM et al. Cell Rep 2020 Dec 29;33(13):108561
PMID:32269268 - Abo1 is required for the H3K9me2 to H3K9me3 transition in heterochromatin.
Dong W et al. Sci Rep 2020 Apr 08;10(1):6055
PMID:19111658 - HP1 proteins form distinct complexes and mediate heterochromatic gene silencing by nonoverlapping mechanisms.
Motamedi MR et al. Mol Cell 2008 Dec 26;32(6):778-90
PMID:19136623 - Phosphorylation of Swi6/HP1 regulates transcriptional gene silencing at heterochromatin.
Shimada A et al. Genes Dev 2009 Jan 01;23(1):18-23
PMID:25831549 - Epigenetics. Epigenetic inheritance uncoupled from sequence-specific recruitment.
Ragunathan K et al. Science 2015 Apr 03;348(6230):1258699
PMID:22727667 - Intrinsic nucleic acid-binding activity of Chp1 chromodomain is required for heterochromatic gene silencing.
Ishida M et al. Mol Cell 2012 Jul 27;47(2):228-41
PMID:29996109 - Quantitative Phosphoproteomics Reveals the Signaling Dynamics of Cell-Cycle Kinases in the Fission Yeast Schizosaccharomyces pombe.
Swaffer MP et al. Cell Rep 2018 Jul 10;24(2):503-514
PMID:25720772 - Quantitative phosphoproteomics reveals pathways for coordination of cell growth and division by the conserved fission yeast kinase pom1.
Kettenbach AN et al. Mol Cell Proteomics 2015 May;14(5):1275-87
PMID:23101633 - Quantitative analysis of fission yeast transcriptomes and proteomes in proliferating and quiescent cells.
Marguerat S et al. Cell 2012 Oct 26;151(3):671-83
PMID:30726745 - Fission Yeast NDR/LATS Kinase Orb6 Regulates Exocytosis via Phosphorylation of the Exocyst Complex.
Tay YD et al. Cell Rep 2019 Feb 05;26(6):1654-1667.e7
PMID:33823663 - A TOR (target of rapamycin) and nutritional phosphoproteome of fission yeast reveals novel targets in networks conserved in humans.
Halova L et al. Open Biol 2021 Apr;11(4):200405
PMID:37787768 - Broad functional profiling of fission yeast proteins using phenomics and machine learning.
Rodríguez-López M et al. Elife 2023 Oct 03;12
PMID:24662054 - The Mi-2 homolog Mit1 actively positions nucleosomes within heterochromatin to suppress transcription.
Creamer KM et al. Mol Cell Biol 2014 Jun;34(11):2046-61
PMID:39367033 - Quantitative proteomics and phosphoproteomics profiling of meiotic divisions in the fission yeast Schizosaccharomyces pombe.
Sivakova B et al. Sci Rep 2024 Oct 04;14(1):23105
PMID:31278118 - Cohesin Impedes Heterochromatin Assembly in Fission Yeast Cells Lacking Pds5.
Folco HD et al. Genetics 2019 Sep;213(1):127-141
PMID:10835380 - Four chromo-domain proteins of Schizosaccharomyces pombe differentially repress transcription at various chromosomal locations.
Thon G et al. Genetics 2000 Jun;155(2):551-68
PMID:27648579 - A histone H3K9M mutation traps histone methyltransferase Clr4 to prevent heterochromatin spreading.
Shan CM et al. Elife 2016 Sep 20;5
PMID:14704433 - RNAi-mediated targeting of heterochromatin by the RITS complex.
Verdel A et al. Science 2004 Jan 30;303(5658):672-6
PMID:20421495 - RNAi and heterochromatin repress centromeric meiotic recombination.
Ellermeier C et al. Proc Natl Acad Sci U S A 2010 May 11;107(19):8701-5
PMID:23697806 - A genome-wide resource of cell cycle and cell shape genes of fission yeast.
Hayles J et al. Open Biol 2013 May 22;3(5):130053
PMID:24013500 - A conserved ncRNA-binding protein recruits silencing factors to heterochromatin through an RNAi-independent mechanism.
Marina DB et al. Genes Dev 2013 Sep 01;27(17):1851-6
PMID:15537537 - Heterochromatin regulates cell type-specific long-range chromatin interactions essential for directed recombination.
Jia S et al. Cell 2004 Nov 12;119(4):469-80
PMID:26438724 - H3K9 methylation extends across natural boundaries of heterochromatin in the absence of an HP1 protein.
Stunnenberg R et al. EMBO J 2015 Nov 12;34(22):2789-803
PMID:26631744 - Conserved factor Dhp1/Rat1/Xrn2 triggers premature transcription termination and nucleates heterochromatin to promote gene silencing.
Chalamcharla VR et al. Proc Natl Acad Sci U S A 2015 Dec 22;112(51):15548-55
PMID:29899117 - Ccp1 modulates epigenetic stability at centromeres and affects heterochromatin distribution in Schizosaccharomyces pombe .
Lu M et al. J Biol Chem 2018 Aug 03;293(31):12068-12080
PMID:30808655 - Transcriptional gene silencing requires dedicated interaction between HP1 protein Chp2 and chromatin remodeler Mit1.
Leopold K et al. Genes Dev 2019 May 01;33(9-10):565-577
PMID:33313903 - Ribosome profiling reveals ribosome stalling on tryptophan codons and ribosome queuing upon oxidative stress in fission yeast.
Rubio A et al. Nucleic Acids Res 2021 Jan 11;49(1):383-399
PMID:23604080 - HDAC-mediated suppression of histone turnover promotes epigenetic stability of heterochromatin.
Aygün O et al. Nat Struct Mol Biol 2013 May;20(5):547-54
PMID:11129054 - A novel member of the Swi6p family of fission yeast chromo domain-containing proteins associates with the centromere in vivo and affects chromosome segregation.
Halverson D et al. Mol Gen Genet 2000 Nov;264(4):492-505
PMID:18809570 - Balance between distinct HP1 family proteins controls heterochromatin assembly in fission yeast.
Sadaie M et al. Mol Cell Biol 2008 Dec;28(23):6973-88
PMID:19443688 - Diverse roles of HP1 proteins in heterochromatin assembly and functions in fission yeast.
Fischer T et al. Proc Natl Acad Sci U S A 2009 Jun 02;106(22):8998-9003
PMID:28942089 - Biochemical Basis for Distinct Roles of the Heterochromatin Proteins Swi6 and Chp2.
Isaac RS et al. J Mol Biol 2017 Nov 24;429(23):3666-3677
PMID:27984744 - Survival in Quiescence Requires the Euchromatic Deployment of Clr4/SUV39H by Argonaute-Associated Small RNAs.
Joh RI et al. Mol Cell 2016 Dec 15;64(6):1088-1101
PMID:15372076 - A chromodomain protein, Chp1, is required for the establishment of heterochromatin in fission yeast.
Sadaie M et al. EMBO J 2004 Oct 01;23(19):3825-35
PMID:16823372 - ORFeome cloning and global analysis of protein localization in the fission yeast Schizosaccharomyces pombe.
Matsuyama A et al. Nat Biotechnol 2006 Jul;24(7):841-7
PMID:22474355 - Heterochromatin protein 1 homologue Swi6 acts in concert with Ers1 to regulate RNAi-directed heterochromatin assembly.
Hayashi A et al. Proc Natl Acad Sci U S A 2012 Apr 17;109(16):6159-64
PMID:24493644 - lncRNA recruits RNAi and the exosome to dynamically regulate pho1 expression in response to phosphate levels in fission yeast.
Shah S et al. Genes Dev 2014 Feb 01;28(3):231-44
PMID:28228545 - Ablation of RNA interference and retrotransposons accompany acquisition and evolution of transposases to heterochromatin protein CENPB.
Upadhyay U et al. Mol Biol Cell 2017 Apr 15;28(8):1132-1146
PMID:30652128 - Heterochromatin suppresses gross chromosomal rearrangements at centromeres by repressing Tfs1/TFIIS-dependent transcription.
Okita AK et al. Commun Biol 2019;2:17
PMID:31883795 - Positioning Heterochromatin at the Nuclear Periphery Suppresses Histone Turnover to Promote Epigenetic Inheritance.
Holla S et al. Cell 2020 Jan 09;180(1):150-164.e15