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P48726

- PP2A1_PARTE

UniProt

P48726 - PP2A1_PARTE

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Protein

Serine/threonine-protein phosphatase PP2A catalytic subunit 1

Gene

Ppn1

Organism
Paramecium tetraurelia
Status
Reviewed - Annotation score: 2 out of 5- Protein inferred from homologyi

Functioni

Catalytic activityi

[a protein]-serine/threonine phosphate + H2O = [a protein]-serine/threonine + phosphate.

Cofactori

Binds 2 manganese ions per subunit.By similarity

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi62 – 621Manganese 1By similarity
Metal bindingi64 – 641Manganese 1By similarity
Metal bindingi90 – 901Manganese 1By similarity
Metal bindingi90 – 901Manganese 2By similarity
Metal bindingi122 – 1221Manganese 2By similarity
Active sitei123 – 1231Proton donorBy similarity
Metal bindingi172 – 1721Manganese 2By similarity
Metal bindingi247 – 2471Manganese 2By similarity

GO - Molecular functioni

  1. metal ion binding Source: UniProtKB-KW
  2. phosphoprotein phosphatase activity Source: UniProtKB-KW
Complete GO annotation...

Keywords - Molecular functioni

Hydrolase, Protein phosphatase

Keywords - Ligandi

Manganese, Metal-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Serine/threonine-protein phosphatase PP2A catalytic subunit 1 (EC:3.1.3.16)
Short name:
PPN 1
Gene namesi
Name:Ppn1
ORF Names:GSPATT00001010001
OrganismiParamecium tetraurelia
Taxonomic identifieri5888 [NCBI]
Taxonomic lineageiEukaryotaAlveolataCiliophoraIntramacronucleataOligohymenophoreaPeniculidaParameciidaeParamecium
ProteomesiUP000000600: Partially assembled WGS sequence

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 315315Serine/threonine-protein phosphatase PP2A catalytic subunit 1PRO_0000058867Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Modified residuei315 – 3151Leucine methyl esterBy similarity

Post-translational modificationi

Reversibly methyl esterified on Leu-315 by leucine carboxyl methyltransferase 1 (PPM1) and protein phosphatase methylesterase 1 (PPE1). Carboxyl methylation influences the affinity of the catalytic subunit for the different regulatory subunits, thereby modulating the PP2A holoenzyme's substrate specificity, enzyme activity and cellular localization.

Keywords - PTMi

Methylation

Structurei

3D structure databases

ProteinModelPortaliP48726.
SMRiP48726. Positions 15-315.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the PPP phosphatase family. PP-2A subfamily.Curated

Phylogenomic databases

InParanoidiP48726.
KOiK04382.

Family and domain databases

Gene3Di3.60.21.10. 1 hit.
InterProiIPR004843. Calcineurin-like_PHP_apaH.
IPR029052. Metallo-depent_PP-like.
IPR006186. Ser/Thr-sp_prot-phosphatase.
[Graphical view]
PfamiPF00149. Metallophos. 1 hit.
[Graphical view]
PRINTSiPR00114. STPHPHTASE.
SMARTiSM00156. PP2Ac. 1 hit.
[Graphical view]
SUPFAMiSSF56300. SSF56300. 1 hit.
PROSITEiPS00125. SER_THR_PHOSPHATASE. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

P48726-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MASLNKLSSN EIGNIDRQIA KLKQGQILSE QEVKSLCIKA KEILQDEPNI
60 70 80 90 100
IQVRAPLTIC GDIHGQFHDL IELFQIGGNL PDTNYLFLGD YVDRGSQSVE
110 120 130 140 150
TFSLMLSLKV RYKDRIVLLR GNHENREINK IYGFYDECFR KYGNEIVWKQ
160 170 180 190 200
FTEVFGYLPL SAIVEQQIFC AHGGLSPAME SVDQIKQLNR VQDIPHEGLM
210 220 230 240 250
CDLLWSDPEE TKNGWGISPR GAGWTWGCDI TEKFLHSNKL KQIARAHQLV
260 270 280 290 300
MEGIQKVHNQ KTITIFSAPN YCYRCGNQAC IVEVDEQLKM NQTQFEPAPR
310
ENEPHTTRRV PDYFL
Length:315
Mass (Da):36,134
Last modified:October 23, 2007 - v2
Checksum:i2C67AB335B8C4650
GO

Experimental Info

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Sequence conflicti34 – 341K → R in AAA68611. 1 PublicationCurated
Sequence conflicti47 – 493EPN → GPH in AAA68611. 1 PublicationCurated

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
U27497 Genomic DNA. Translation: AAA68611.1.
CT868096 Genomic DNA. Translation: CAK71296.1.
RefSeqiXP_001438693.1. XM_001438656.1.

Genome annotation databases

EnsemblProtistsiCAK71296; CAK71296; GSPATT00001010001.
GeneIDi5024478.
KEGGiptm:GSPATT00001010001.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
U27497 Genomic DNA. Translation: AAA68611.1 .
CT868096 Genomic DNA. Translation: CAK71296.1 .
RefSeqi XP_001438693.1. XM_001438656.1.

3D structure databases

ProteinModelPortali P48726.
SMRi P48726. Positions 15-315.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblProtistsi CAK71296 ; CAK71296 ; GSPATT00001010001 .
GeneIDi 5024478.
KEGGi ptm:GSPATT00001010001.

Phylogenomic databases

InParanoidi P48726.
KOi K04382.

Family and domain databases

Gene3Di 3.60.21.10. 1 hit.
InterProi IPR004843. Calcineurin-like_PHP_apaH.
IPR029052. Metallo-depent_PP-like.
IPR006186. Ser/Thr-sp_prot-phosphatase.
[Graphical view ]
Pfami PF00149. Metallophos. 1 hit.
[Graphical view ]
PRINTSi PR00114. STPHPHTASE.
SMARTi SM00156. PP2Ac. 1 hit.
[Graphical view ]
SUPFAMi SSF56300. SSF56300. 1 hit.
PROSITEi PS00125. SER_THR_PHOSPHATASE. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

« Hide 'large scale' publications
  1. Russell C.B., Fick J.E., Hinrichsen R.D., Klumpp S.
    Submitted (MAY-1995) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
    Strain: Stock 51.
  2. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: Stock d4-2.

Entry informationi

Entry nameiPP2A1_PARTE
AccessioniPrimary (citable) accession number: P48726
Secondary accession number(s): A0CKH9
Entry historyi
Integrated into UniProtKB/Swiss-Prot: February 1, 1996
Last sequence update: October 23, 2007
Last modified: October 29, 2014
This is version 69 of the entry and version 2 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3