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Q12972

- PP1R8_HUMAN

UniProt

Q12972 - PP1R8_HUMAN

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Protein

Nuclear inhibitor of protein phosphatase 1

Gene

PPP1R8

Organism
Homo sapiens (Human)
Status
Reviewed - Annotation score: 5 out of 5- Experimental evidence at protein leveli

Functioni

Inhibitor subunit of the major nuclear protein phosphatase-1 (PP-1). It has RNA-binding activity but does not cleave RNA and may target PP-1 to RNA-associated substrates. May also be involved in pre-mRNA splicing. Binds DNA and might act as a transcriptional repressor. Seems to be required for cell proliferation.
Isoform Gamma is a site-specific single-strand endoribonuclease that cleaves single strand RNA 3' to purines and pyrimidines in A+U-rich regions. It generates 5'-phosphate termini at the site of cleavage. This isoform does not inhibit PP-1. May be implicated in mRNA splicing.

Cofactori

Magnesium. Endoribonuclease function is magnesium-dependent.

GO - Molecular functioni

  1. DNA binding Source: UniProtKB-KW
  2. endonuclease activity Source: UniProtKB-KW
  3. protein phosphatase type 1 regulator activity Source: Ensembl
  4. protein serine/threonine phosphatase inhibitor activity Source: ProtInc
  5. ribonuclease E activity Source: ProtInc
  6. RNA binding Source: ProtInc

GO - Biological processi

  1. cell proliferation Source: Ensembl
  2. mRNA processing Source: UniProtKB-KW
  3. negative regulation of catalytic activity Source: GOC
  4. regulation of transcription, DNA-templated Source: UniProtKB-KW
  5. RNA catabolic process Source: ProtInc
  6. RNA phosphodiester bond hydrolysis Source: GOC
  7. RNA splicing Source: UniProtKB-KW
  8. transcription, DNA-templated Source: UniProtKB-KW
Complete GO annotation...

Keywords - Molecular functioni

Endonuclease, Hydrolase, Nuclease, Protein phosphatase inhibitor, Repressor

Keywords - Biological processi

mRNA processing, mRNA splicing, Transcription, Transcription regulation

Keywords - Ligandi

DNA-binding, Magnesium, RNA-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Nuclear inhibitor of protein phosphatase 1
Short name:
NIPP-1
Alternative name(s):
Protein phosphatase 1 regulatory inhibitor subunit 8
Including the following 1 domains:
Activator of RNA decay (EC:3.1.4.-)
Alternative name(s):
ARD-1
Gene namesi
Name:PPP1R8
Synonyms:ARD1, NIPP1
OrganismiHomo sapiens (Human)
Taxonomic identifieri9606 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaeHomo
ProteomesiUP000005640: Chromosome 1

Organism-specific databases

HGNCiHGNC:9296. PPP1R8.

Subcellular locationi

Nucleus. Nucleus speckle
Note: Primarily, but not exclusively, nuclear.
Isoform Gamma : Cytoplasm
Note: Found mainly in the cytoplasm.

GO - Cellular componenti

  1. cytoplasm Source: UniProtKB-KW
  2. nuclear speck Source: UniProtKB
  3. nucleus Source: HPA
  4. spliceosomal complex Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm, Nucleus, Spliceosome

Pathology & Biotechi

Mutagenesis

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Mutagenesisi68 – 714SRVH → AAAA: Abolishes interaction with CDC5L, SF3B1 and MELK, and localization in nuclear speckles. No effect on repressor activity. 5 Publications
Mutagenesisi193 – 1975KRKRK → AAAAA: No effect on interaction with EED. 1 Publication
Mutagenesisi195 – 1973KRK → AAA: Abolishes nuclear import; when associated with A-234--237-A. 1 Publication
Mutagenesisi199 – 1991S → A or D: No change in subcellular location, no effect on interaction with EED or repressor activity; when associated with A-204 or D-204. 2 Publications
Mutagenesisi201 – 2011V → A: Reduces PP-1 binding, no effect on subcellular location or repressor activity and prevents retargeting of PPP1CA and PPP1CC to nuclear speckles; when associated with A-203. 3 Publications
Mutagenesisi203 – 2031F → A: Reduces PP-1 binding, no effect on subcellular location or repressor activity and prevents retargeting of PPP1CA and PPP1CC to nuclear speckles; when associated with A-201. 3 Publications
Mutagenesisi204 – 2041S → A or D: No change in subcellular location, no effect on interaction with EED or repressor activity; when associated with A-199 or D-199. 2 Publications
Mutagenesisi234 – 2374KKKR → AAAA: Abolishes nuclear import; when associated with A-195-197-A. 1 Publication
Mutagenesisi264 – 2641Y → D: Abolishes in vitro phosphorylation of isoform gamma by Lyn. 1 Publication
Mutagenesisi335 – 3351Y → D: Decreases the ability of isoform Gamma to bind and inhibit PP-1. 1 Publication
Mutagenesisi346 – 3461T → D: No effect on the ability of isoform Gamma to inhibit PP-1. 1 Publication
Mutagenesisi348 – 3481S → D: No effect on the ability of isoform Gamma to inhibit PP-1. 1 Publication

Organism-specific databases

PharmGKBiPA33659.

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 351351Nuclear inhibitor of protein phosphatase 1PRO_0000071505Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Modified residuei161 – 1611PhosphothreonineBy similarity
Modified residuei178 – 1781PhosphoserineBy similarity
Modified residuei199 – 1991PhosphoserineBy similarity
Modified residuei264 – 2641Phosphotyrosine; by LYN; in vitro1 Publication
Modified residuei335 – 3351Phosphotyrosine1 Publication

Post-translational modificationi

May be inactivated by phosphorylation on Ser-199 or Ser-204 By similarity. Phosphorylated by Lyn in vitro on Tyr-264, and also on Tyr-335 in the presence of RNA.By similarity1 Publication

Keywords - PTMi

Phosphoprotein

Proteomic databases

MaxQBiQ12972.
PaxDbiQ12972.
PeptideAtlasiQ12972.
PRIDEiQ12972.

PTM databases

PhosphoSiteiQ12972.

Expressioni

Tissue specificityi

Ubiquitously expressed, with highest levels in heart and skeletal muscle, followed by brain, placenta, lung, liver and pancreas. Less abundant in kidney. The concentration and ratio between isoforms is cell-type dependent. Isoform Alpha (>90%) and isoform Beta were found in brain, heart and kidney. Isoform Gamma is mainly found in B-cells and T-lymphocytes, and has been found in 293 embryonic kidney cells.2 Publications

Gene expression databases

BgeeiQ12972.
CleanExiHS_PPP1R8.
ExpressionAtlasiQ12972. baseline and differential.
GenevestigatoriQ12972.

Organism-specific databases

HPAiHPA027406.
HPA027417.
HPA027452.

Interactioni

Subunit structurei

Interacts with phosphorylated CDC5L, SF3B1 and MELK. Interacts with EED, in a nucleic acid-stimulated manner. Part of a complex consisting of PPP1R8, EED, HDAC2 and PP-1. Part of the spliceosome. Interacts with PPP1CA, PPP1CB and PPP1CC.6 Publications

Binary interactionsi

WithEntry#Exp.IntActNotes
PPP1CAP621363EBI-716633,EBI-357253

Protein-protein interaction databases

BioGridi111503. 30 interactions.
DIPiDIP-40815N.
IntActiQ12972. 16 interactions.
MINTiMINT-133673.
STRINGi9606.ENSP00000311677.

Structurei

Secondary structure

1
351
Legend: HelixTurnBeta strand
Show more details
Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Helixi162 – 17413
Beta strandi208 – 2103

3D structure databases

Select the link destinations:
PDBe
RCSB PDB
PDBj
Links Updated
EntryMethodResolution (Å)ChainPositionsPDBsum
3V4YX-ray2.10B/D/F/H158-216[»]
ProteinModelPortaliQ12972.
SMRiQ12972. Positions 1-132, 158-212.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini49 – 10153FHAPROSITE-ProRule annotationAdd
BLAST

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni1 – 142142Interaction with CDC5L, SF3B1 and MELKAdd
BLAST
Regioni143 – 22482Interaction with EEDAdd
BLAST
Regioni191 – 20010Involved in PP-1 inhibition
Regioni200 – 2034Involved in PP-1 binding
Regioni310 – 32920Interaction with EEDAdd
BLAST
Regioni330 – 35122RNA-bindingAdd
BLAST
Regioni331 – 3377Involved in PP-1 inhibition

Motif

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Motifi185 – 20925Nuclear localization signal 11 PublicationAdd
BLAST
Motifi210 – 24031Nuclear localization signal 21 PublicationAdd
BLAST

Domaini

Has a basic N- and C-terminal and an acidic central domain.
The FHA domain mediates interactions with threonine-phosphorylated MELK.By similarity

Sequence similaritiesi

Contains 1 FHA domain.PROSITE-ProRule annotation

Keywords - Domaini

Repeat

Phylogenomic databases

eggNOGiNOG275265.
GeneTreeiENSGT00730000110659.
HOGENOMiHOG000231315.
HOVERGENiHBG053645.
InParanoidiQ12972.
KOiK13216.
OMAiAVFNPEA.
OrthoDBiEOG7PS1FR.
PhylomeDBiQ12972.
TreeFamiTF105539.

Family and domain databases

Gene3Di2.60.200.20. 1 hit.
InterProiIPR000253. FHA_dom.
IPR008984. SMAD_FHA_domain.
[Graphical view]
PfamiPF00498. FHA. 1 hit.
[Graphical view]
SMARTiSM00240. FHA. 1 hit.
[Graphical view]
SUPFAMiSSF49879. SSF49879. 1 hit.
PROSITEiPS50006. FHA_DOMAIN. 1 hit.
[Graphical view]

Sequences (3)i

Sequence statusi: Complete.

This entry describes 3 isoformsi produced by alternative splicing. Align

Isoform Alpha (identifier: Q12972-1) [UniParc]FASTAAdd to Basket

This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.

« Hide

        10         20         30         40         50
MAAAANSGSS LPLFDCPTWA GKPPPGLHLD VVKGDKLIEK LIIDEKKYYL
60 70 80 90 100
FGRNPDLCDF TIDHQSCSRV HAALVYHKHL KRVFLIDLNS THGTFLGHIR
110 120 130 140 150
LEPHKPQQIP IDSTVSFGAS TRAYTLREKP QTLPSAVKGD EKMGGEDDEL
160 170 180 190 200
KGLLGLPEEE TELDNLTEFN TAHNKRISTL TIEEGNLDIQ RPKRKRKNSR
210 220 230 240 250
VTFSEDDEII NPEDVDPSVG RFRNMVQTAV VPVKKKRVEG PGSLGLEESG
260 270 280 290 300
SRRMQNFAFS GGLYGGLPPT HSEAGSQPHG IHGTALIGGL PMPYPNLAPD
310 320 330 340 350
VDLTPVVPSA VNMNPAPNPA VYNPEAVNEP KKKKYAKEAW PGKKPTPSLL

I
Length:351
Mass (Da):38,479
Last modified:December 1, 2000 - v2
Checksum:i0A0E92B033E37641
GO
Isoform Beta (identifier: Q12972-2) [UniParc]FASTAAdd to Basket

Also known as: Delta

The sequence of this isoform differs from the canonical sequence as follows:
     1-142: Missing.

Show »
Length:209
Mass (Da):22,711
Checksum:iB8A896191A4AB026
GO
Isoform Gamma (identifier: Q12972-3) [UniParc]FASTAAdd to Basket

Also known as: ARD-1

The sequence of this isoform differs from the canonical sequence as follows:
     1-224: Missing.

Show »
Length:127
Mass (Da):13,344
Checksum:iD29E123EA36C9F94
GO

Alternative sequence

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Alternative sequencei1 – 224224Missing in isoform Gamma. 1 PublicationVSP_005120Add
BLAST
Alternative sequencei1 – 142142Missing in isoform Beta. 2 PublicationsVSP_005119Add
BLAST

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
U14575 mRNA. Translation: AAA64749.1.
AF061958 mRNA. Translation: AAD31541.1.
AF061959 mRNA. Translation: AAD31542.1.
AF064757
, AF064751, AF064752, AF064753, AF064754, AF064755, AF064756 Genomic DNA. Translation: AAD24669.1.
AF064757
, AF064754, AF064755, AF064756 Genomic DNA. Translation: AAD24670.1.
AF126488 mRNA. Translation: AAD22486.1.
AK292077 mRNA. Translation: BAF84766.1.
AL020997, AL109927 Genomic DNA. Translation: CAI20576.1.
AL020997, AL109927 Genomic DNA. Translation: CAI20577.1.
AL020997, AL109927 Genomic DNA. Translation: CAI20578.1.
AL109927, AL020997 Genomic DNA. Translation: CAI21779.1.
AL109927, AL020997 Genomic DNA. Translation: CAI21780.1.
AL109927, AL020997 Genomic DNA. Translation: CAI21781.1.
CH471059 Genomic DNA. Translation: EAX07731.1.
CH471059 Genomic DNA. Translation: EAX07732.1.
BC001597 mRNA. Translation: AAH01597.1.
BC013360 mRNA. Translation: AAH13360.1.
CCDSiCCDS311.1. [Q12972-1]
CCDS312.1. [Q12972-2]
CCDS313.1. [Q12972-3]
PIRiI38856.
RefSeqiNP_002704.1. NM_002713.3. [Q12972-3]
NP_054829.2. NM_014110.4. [Q12972-1]
NP_612568.1. NM_138558.2. [Q12972-2]
XP_006710786.1. XM_006710723.1. [Q12972-2]
UniGeneiHs.533474.

Genome annotation databases

EnsembliENST00000236412; ENSP00000236412; ENSG00000117751. [Q12972-3]
ENST00000311772; ENSP00000311677; ENSG00000117751. [Q12972-1]
ENST00000373931; ENSP00000363042; ENSG00000117751. [Q12972-2]
GeneIDi5511.
KEGGihsa:5511.
UCSCiuc001bov.2. human. [Q12972-1]

Polymorphism databases

DMDMi19863082.

Keywords - Coding sequence diversityi

Alternative splicing

Cross-referencesi

Web resourcesi

Atlas of Genetics and Cytogenetics in Oncology and Haematology

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
U14575 mRNA. Translation: AAA64749.1 .
AF061958 mRNA. Translation: AAD31541.1 .
AF061959 mRNA. Translation: AAD31542.1 .
AF064757
, AF064751 , AF064752 , AF064753 , AF064754 , AF064755 , AF064756 Genomic DNA. Translation: AAD24669.1 .
AF064757
, AF064754 , AF064755 , AF064756 Genomic DNA. Translation: AAD24670.1 .
AF126488 mRNA. Translation: AAD22486.1 .
AK292077 mRNA. Translation: BAF84766.1 .
AL020997 , AL109927 Genomic DNA. Translation: CAI20576.1 .
AL020997 , AL109927 Genomic DNA. Translation: CAI20577.1 .
AL020997 , AL109927 Genomic DNA. Translation: CAI20578.1 .
AL109927 , AL020997 Genomic DNA. Translation: CAI21779.1 .
AL109927 , AL020997 Genomic DNA. Translation: CAI21780.1 .
AL109927 , AL020997 Genomic DNA. Translation: CAI21781.1 .
CH471059 Genomic DNA. Translation: EAX07731.1 .
CH471059 Genomic DNA. Translation: EAX07732.1 .
BC001597 mRNA. Translation: AAH01597.1 .
BC013360 mRNA. Translation: AAH13360.1 .
CCDSi CCDS311.1. [Q12972-1 ]
CCDS312.1. [Q12972-2 ]
CCDS313.1. [Q12972-3 ]
PIRi I38856.
RefSeqi NP_002704.1. NM_002713.3. [Q12972-3 ]
NP_054829.2. NM_014110.4. [Q12972-1 ]
NP_612568.1. NM_138558.2. [Q12972-2 ]
XP_006710786.1. XM_006710723.1. [Q12972-2 ]
UniGenei Hs.533474.

3D structure databases

Select the link destinations:
PDBe
RCSB PDB
PDBj
Links Updated
Entry Method Resolution (Å) Chain Positions PDBsum
3V4Y X-ray 2.10 B/D/F/H 158-216 [» ]
ProteinModelPortali Q12972.
SMRi Q12972. Positions 1-132, 158-212.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

BioGridi 111503. 30 interactions.
DIPi DIP-40815N.
IntActi Q12972. 16 interactions.
MINTi MINT-133673.
STRINGi 9606.ENSP00000311677.

PTM databases

PhosphoSitei Q12972.

Polymorphism databases

DMDMi 19863082.

Proteomic databases

MaxQBi Q12972.
PaxDbi Q12972.
PeptideAtlasi Q12972.
PRIDEi Q12972.

Protocols and materials databases

DNASUi 5511.
Structural Biology Knowledgebase Search...

Genome annotation databases

Ensembli ENST00000236412 ; ENSP00000236412 ; ENSG00000117751 . [Q12972-3 ]
ENST00000311772 ; ENSP00000311677 ; ENSG00000117751 . [Q12972-1 ]
ENST00000373931 ; ENSP00000363042 ; ENSG00000117751 . [Q12972-2 ]
GeneIDi 5511.
KEGGi hsa:5511.
UCSCi uc001bov.2. human. [Q12972-1 ]

Organism-specific databases

CTDi 5511.
GeneCardsi GC01P028157.
HGNCi HGNC:9296. PPP1R8.
HPAi HPA027406.
HPA027417.
HPA027452.
MIMi 602636. gene.
neXtProti NX_Q12972.
PharmGKBi PA33659.
GenAtlasi Search...

Phylogenomic databases

eggNOGi NOG275265.
GeneTreei ENSGT00730000110659.
HOGENOMi HOG000231315.
HOVERGENi HBG053645.
InParanoidi Q12972.
KOi K13216.
OMAi AVFNPEA.
OrthoDBi EOG7PS1FR.
PhylomeDBi Q12972.
TreeFami TF105539.

Miscellaneous databases

ChiTaRSi PPP1R8. human.
GeneWikii PPP1R8.
GenomeRNAii 5511.
NextBioi 21316.
PROi Q12972.
SOURCEi Search...

Gene expression databases

Bgeei Q12972.
CleanExi HS_PPP1R8.
ExpressionAtlasi Q12972. baseline and differential.
Genevestigatori Q12972.

Family and domain databases

Gene3Di 2.60.200.20. 1 hit.
InterProi IPR000253. FHA_dom.
IPR008984. SMAD_FHA_domain.
[Graphical view ]
Pfami PF00498. FHA. 1 hit.
[Graphical view ]
SMARTi SM00240. FHA. 1 hit.
[Graphical view ]
SUPFAMi SSF49879. SSF49879. 1 hit.
PROSITEi PS50006. FHA_DOMAIN. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

« Hide 'large scale' publications
  1. "ard-1: a human gene that reverses the effects of temperature-sensitive and deletion mutations in the Escherichia coli rne gene and encodes an activity producing RNase E-like cleavages."
    Wang M., Cohen S.N.
    Proc. Natl. Acad. Sci. U.S.A. 91:10591-10595(1994) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM GAMMA).
    Tissue: B-cell.
  2. "Organization and alternate splice products of the gene encoding nuclear inhibitor of protein phosphatase-1 (NIPP-1)."
    Van Eynde A., Perez-Callejon E., Schoenmakers E., Jacquemin M., Stalmans W., Bollen M.
    Eur. J. Biochem. 261:291-300(1999) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA / MRNA] (ISOFORMS ALPHA AND BETA), ALTERNATIVE SPLICING, TISSUE SPECIFICITY.
    Tissue: Parathyroid and T-cell.
  3. "Complete cDNA sequence of NIPP-1 from human breast cancer cells."
    Liu J.P., Yang Z., Li H.
    Submitted (FEB-1999) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM ALPHA).
    Tissue: Mammary cancer.
  4. "Complete sequencing and characterization of 21,243 full-length human cDNAs."
    Ota T., Suzuki Y., Nishikawa T., Otsuki T., Sugiyama T., Irie R., Wakamatsu A., Hayashi K., Sato H., Nagai K., Kimura K., Makita H., Sekine M., Obayashi M., Nishi T., Shibahara T., Tanaka T., Ishii S.
    , Yamamoto J., Saito K., Kawai Y., Isono Y., Nakamura Y., Nagahari K., Murakami K., Yasuda T., Iwayanagi T., Wagatsuma M., Shiratori A., Sudo H., Hosoiri T., Kaku Y., Kodaira H., Kondo H., Sugawara M., Takahashi M., Kanda K., Yokoi T., Furuya T., Kikkawa E., Omura Y., Abe K., Kamihara K., Katsuta N., Sato K., Tanikawa M., Yamazaki M., Ninomiya K., Ishibashi T., Yamashita H., Murakawa K., Fujimori K., Tanai H., Kimata M., Watanabe M., Hiraoka S., Chiba Y., Ishida S., Ono Y., Takiguchi S., Watanabe S., Yosida M., Hotuta T., Kusano J., Kanehori K., Takahashi-Fujii A., Hara H., Tanase T.-O., Nomura Y., Togiya S., Komai F., Hara R., Takeuchi K., Arita M., Imose N., Musashino K., Yuuki H., Oshima A., Sasaki N., Aotsuka S., Yoshikawa Y., Matsunawa H., Ichihara T., Shiohata N., Sano S., Moriya S., Momiyama H., Satoh N., Takami S., Terashima Y., Suzuki O., Nakagawa S., Senoh A., Mizoguchi H., Goto Y., Shimizu F., Wakebe H., Hishigaki H., Watanabe T., Sugiyama A., Takemoto M., Kawakami B., Yamazaki M., Watanabe K., Kumagai A., Itakura S., Fukuzumi Y., Fujimori Y., Komiyama M., Tashiro H., Tanigami A., Fujiwara T., Ono T., Yamada K., Fujii Y., Ozaki K., Hirao M., Ohmori Y., Kawabata A., Hikiji T., Kobatake N., Inagaki H., Ikema Y., Okamoto S., Okitani R., Kawakami T., Noguchi S., Itoh T., Shigeta K., Senba T., Matsumura K., Nakajima Y., Mizuno T., Morinaga M., Sasaki M., Togashi T., Oyama M., Hata H., Watanabe M., Komatsu T., Mizushima-Sugano J., Satoh T., Shirai Y., Takahashi Y., Nakagawa K., Okumura K., Nagase T., Nomura N., Kikuchi H., Masuho Y., Yamashita R., Nakai K., Yada T., Nakamura Y., Ohara O., Isogai T., Sugano S.
    Nat. Genet. 36:40-45(2004) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM ALPHA).
    Tissue: Synovium.
  5. "The DNA sequence and biological annotation of human chromosome 1."
    Gregory S.G., Barlow K.F., McLay K.E., Kaul R., Swarbreck D., Dunham A., Scott C.E., Howe K.L., Woodfine K., Spencer C.C.A., Jones M.C., Gillson C., Searle S., Zhou Y., Kokocinski F., McDonald L., Evans R., Phillips K.
    , Atkinson A., Cooper R., Jones C., Hall R.E., Andrews T.D., Lloyd C., Ainscough R., Almeida J.P., Ambrose K.D., Anderson F., Andrew R.W., Ashwell R.I.S., Aubin K., Babbage A.K., Bagguley C.L., Bailey J., Beasley H., Bethel G., Bird C.P., Bray-Allen S., Brown J.Y., Brown A.J., Buckley D., Burton J., Bye J., Carder C., Chapman J.C., Clark S.Y., Clarke G., Clee C., Cobley V., Collier R.E., Corby N., Coville G.J., Davies J., Deadman R., Dunn M., Earthrowl M., Ellington A.G., Errington H., Frankish A., Frankland J., French L., Garner P., Garnett J., Gay L., Ghori M.R.J., Gibson R., Gilby L.M., Gillett W., Glithero R.J., Grafham D.V., Griffiths C., Griffiths-Jones S., Grocock R., Hammond S., Harrison E.S.I., Hart E., Haugen E., Heath P.D., Holmes S., Holt K., Howden P.J., Hunt A.R., Hunt S.E., Hunter G., Isherwood J., James R., Johnson C., Johnson D., Joy A., Kay M., Kershaw J.K., Kibukawa M., Kimberley A.M., King A., Knights A.J., Lad H., Laird G., Lawlor S., Leongamornlert D.A., Lloyd D.M., Loveland J., Lovell J., Lush M.J., Lyne R., Martin S., Mashreghi-Mohammadi M., Matthews L., Matthews N.S.W., McLaren S., Milne S., Mistry S., Moore M.J.F., Nickerson T., O'Dell C.N., Oliver K., Palmeiri A., Palmer S.A., Parker A., Patel D., Pearce A.V., Peck A.I., Pelan S., Phelps K., Phillimore B.J., Plumb R., Rajan J., Raymond C., Rouse G., Saenphimmachak C., Sehra H.K., Sheridan E., Shownkeen R., Sims S., Skuce C.D., Smith M., Steward C., Subramanian S., Sycamore N., Tracey A., Tromans A., Van Helmond Z., Wall M., Wallis J.M., White S., Whitehead S.L., Wilkinson J.E., Willey D.L., Williams H., Wilming L., Wray P.W., Wu Z., Coulson A., Vaudin M., Sulston J.E., Durbin R.M., Hubbard T., Wooster R., Dunham I., Carter N.P., McVean G., Ross M.T., Harrow J., Olson M.V., Beck S., Rogers J., Bentley D.R.
    Nature 441:315-321(2006) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
  6. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
  7. "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)."
    The MGC Project Team
    Genome Res. 14:2121-2127(2004) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM BETA), NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 34-351 (ISOFORM ALPHA).
    Tissue: Lymph.
  8. "Molecular cloning of NIPP-1, a nuclear inhibitor of protein phosphatase-1, reveals homology with polypeptides involved in RNA processing."
    Van Eynde A., Wera S., Beullens M., Torrekens S., Van Leuven F., Stalmans W., Bollen M.
    J. Biol. Chem. 270:28068-28074(1995) [PubMed] [Europe PMC] [Abstract]
    Cited for: TISSUE SPECIFICITY.
  9. "ARD-1 cDNA from human cells encodes a site-specific single-strand endoribonuclease that functionally resembles Escherichia coli RNase E."
    Claverie-Martin F., Wang M., Cohen S.N.
    J. Biol. Chem. 272:13823-13828(1997) [PubMed] [Europe PMC] [Abstract]
    Cited for: CHARACTERIZATION (ISOFORM GAMMA).
  10. "Mapping of the RNA-binding and endoribonuclease domains of NIPP1, a nuclear targeting subunit of protein phosphatase 1."
    Jin Q., Beullens M., Jagiello I., Van Eynde A., Vulsteke V., Stalmans W., Bollen M.
    Biochem. J. 342:13-19(1999) [PubMed] [Europe PMC] [Abstract]
    Cited for: RNA-BINDING, CHARACTERIZATION (ISOFORM GAMMA), FUNCTION.
  11. "Alternative splicing regulates the production of ARD-1 endoribonuclease and NIPP-1, an inhibitor of protein phosphatase-1, as isoforms encoded by the same gene."
    Chang A.C.Y., Sohlberg B., Trinkle-Mulcahy L., Claverie-Martin F., Cohen P., Cohen S.N.
    Gene 240:45-55(1999) [PubMed] [Europe PMC] [Abstract]
    Cited for: IDENTIFICATION OF ALTERNATIVE SPLICING IN ISOFORM GAMMA.
  12. "The C-terminus of NIPP1 (nuclear inhibitor of protein phosphatase-1) contains a novel binding site for protein phosphatase-1 that is controlled by tyrosine phosphorylation and RNA binding."
    Beullens M., Vulsteke V., Van Eynde A., Jagiello I., Stalmans W., Bollen M.
    Biochem. J. 352:651-658(2000) [PubMed] [Europe PMC] [Abstract]
    Cited for: FUNCTION, MUTAGENESIS OF TYR-264; TYR-335; THR-346 AND SER-348, PHOSPHORYLATION AT TYR-264 AND TYR-335.
  13. "NIPP1-mediated interaction of protein phosphatase-1 with CDC5L, a regulator of pre-mRNA splicing and mitotic entry."
    Boudrez A., Beullens M., Groenen P.M.A., Van Eynde A., Vulsteke V., Jagiello I., Murray M., Krainer A.R., Stalmans W., Bollen M.
    J. Biol. Chem. 275:25411-25417(2000) [PubMed] [Europe PMC] [Abstract]
    Cited for: INTERACTION WITH CDC5L, SUBCELLULAR LOCATION, MUTAGENESIS OF 68-SER--HIS-71, FUNCTION.
  14. "Nuclear and subnuclear targeting sequences of the protein phosphatase-1 regulator NIPP1."
    Jagiello I., Van Eynde A., Vulsteke V., Beullens M., Boudrez A., Keppens S., Stalmans W., Bollen M.
    J. Cell Sci. 113:3761-3768(2000) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEAR LOCALIZATION SIGNALS, MUTAGENESIS OF 68-SER--HIS-71; 195-LYS--LYS-197; SER-199; VAL-201; PHE-203; SER-204 AND 234-LYS--ARG-237, SUBCELLULAR LOCATION.
  15. "Dynamic targeting of protein phosphatase 1 within the nuclei of living mammalian cells."
    Trinkle-Mulcahy L., Sleeman J.E., Lamond A.I.
    J. Cell Sci. 114:4219-4228(2001) [PubMed] [Europe PMC] [Abstract]
    Cited for: SUBCELLULAR LOCATION, INTERACTION WITH PPP1CA AND PPP1CC, MUTAGENESIS OF VAL-201 AND PHE-203.
  16. "The protein phosphatase-1 regulator NIPP1 is also a splicing factor involved in a late step of spliceosome assembly."
    Beullens M., Bollen M.
    J. Biol. Chem. 277:19855-19860(2002) [PubMed] [Europe PMC] [Abstract]
    Cited for: IDENTIFICATION AS PART OF THE SPLICEOSOME, FUNCTION.
  17. "Phosphorylation-dependent interaction between the splicing factors SAP155 and NIPP1."
    Boudrez A., Beullens M., Waelkens E., Stalmans W., Bollen M.
    J. Biol. Chem. 277:31834-31841(2002) [PubMed] [Europe PMC] [Abstract]
    Cited for: INTERACTION WITH SF3B1, MUTAGENESIS OF 68-SER--HIS-71.
  18. "The protein phosphatase-1 (PP1) regulator, nuclear inhibitor of PP1 (NIPP1), interacts with the polycomb group protein, embryonic ectoderm development (EED), and functions as a transcriptional repressor."
    Jin Q., van Eynde A., Beullens M., Roy N., Thiel G., Stalmans W., Bollen M.
    J. Biol. Chem. 278:30677-30685(2003) [PubMed] [Europe PMC] [Abstract]
    Cited for: DNA-BINDING, INTERACTION WITH EED, IDENTIFICATION IN A COMPLEX WITH EED; HDAC2 AND PP1, MUTAGENESIS OF 68-SER--HIS-71; 193-LYS--LYS-197; SER-199; VAL-201; PHE-203 AND SER-204, FUNCTION.
  19. "Inhibition of spliceosome assembly by the cell cycle-regulated protein kinase MELK and involvement of splicing factor NIPP1."
    Vulsteke V., Beullens M., Boudrez A., Keppens S., Van Eynde A., Rider M.H., Stalmans W., Bollen M.
    J. Biol. Chem. 279:8642-8647(2004) [PubMed] [Europe PMC] [Abstract]
    Cited for: INTERACTION WITH MELK, MUTAGENESIS OF 68-SER--HIS-71.
  20. Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
    Tissue: Cervix carcinoma.
  21. "Identification and characterization of a novel human PP1 phosphatase complex."
    Lee J.H., You J., Dobrota E., Skalnik D.G.
    J. Biol. Chem. 285:24466-24476(2010) [PubMed] [Europe PMC] [Abstract]
    Cited for: INTERACTION WITH PPP1CA; PPP1CB AND PPP1CC.
  22. "Quantitative phosphoproteomics reveals widespread full phosphorylation site occupancy during mitosis."
    Olsen J.V., Vermeulen M., Santamaria A., Kumar C., Miller M.L., Jensen L.J., Gnad F., Cox J., Jensen T.S., Nigg E.A., Brunak S., Mann M.
    Sci. Signal. 3:RA3-RA3(2010) [PubMed] [Europe PMC] [Abstract]
    Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
    Tissue: Cervix carcinoma.
  23. Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
  24. "System-wide temporal characterization of the proteome and phosphoproteome of human embryonic stem cell differentiation."
    Rigbolt K.T., Prokhorova T.A., Akimov V., Henningsen J., Johansen P.T., Kratchmarova I., Kassem M., Mann M., Olsen J.V., Blagoev B.
    Sci. Signal. 4:RS3-RS3(2011) [PubMed] [Europe PMC] [Abstract]
    Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].

Entry informationi

Entry nameiPP1R8_HUMAN
AccessioniPrimary (citable) accession number: Q12972
Secondary accession number(s): Q5TEJ2
, Q5TEJ4, Q5TIF2, Q6PKF6, Q9UBH1, Q9UBZ0
Entry historyi
Integrated into UniProtKB/Swiss-Prot: May 30, 2000
Last sequence update: December 1, 2000
Last modified: October 29, 2014
This is version 140 of the entry and version 2 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program
DisclaimerAny medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care.

Miscellaneousi

Miscellaneous

A synthetic peptide, NIPP-1(330-351), is able to inhibit PP-1. Phosphorylation of Tyr-335 reduces PP-1 inhibition, whereas phosphorylation of Thr-346 or Ser-348 has no effect.

Keywords - Technical termi

3D-structure, Complete proteome, Reference proteome

Documents

  1. Human chromosome 1
    Human chromosome 1: entries, gene names and cross-references to MIM
  2. MIM cross-references
    Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot
  3. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  4. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3