Product: Phospho-PABP1 (Tyr364) Antibody
Catalog: AF4339
Description: Rabbit polyclonal antibody to Phospho-PABP1 (Tyr364)
Application: WB
Reactivity: Human, Mouse, Rat
Prediction: Pig, Bovine, Sheep, Rabbit, Xenopus
Mol.Wt.: 71kDa; 71kD(Calculated).
Uniprot: P11940
RRID: AB_2844418

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Product Info

Source:
Rabbit
Application:
WB 1:500-1:2000
*The optimal dilutions should be determined by the end user.
*Tips:

WB: For western blot detection of denatured protein samples. IHC: For immunohistochemical detection of paraffin sections (IHC-p) or frozen sections (IHC-f) of tissue samples. IF/ICC: For immunofluorescence detection of cell samples. ELISA(peptide): For ELISA detection of antigenic peptide.

Reactivity:
Human,Mouse,Rat
Prediction:
Pig(100%), Bovine(100%), Sheep(100%), Rabbit(100%), Xenopus(100%)
Clonality:
Polyclonal
Specificity:
Phospho-PABP1 (Tyr364) Antibody detects endogenous levels of PABP1 only when phosphorylated at Tyr364.
RRID:
AB_2844418
Cite Format: Affinity Biosciences Cat# AF4339, RRID:AB_2844418.
Conjugate:
Unconjugated.
Purification:
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Storage:
Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol. Store at -20 °C. Stable for 12 months from date of receipt.
Alias:

Fold/Unfold

PAB 1; PAB1; PABP 1; PABP1; PABPC 1; PABPC1; PABPC2; PABPL1; Poly A binding protein 1; Poly A binding protein cytoplasmic 1; poly(A) binding protein, cytoplasmic 1; poly(A) binding protein, cytoplasmic 2; Polyadenylate binding protein 1;

Immunogens

Immunogen:

A synthesized peptide derived from human PABP1 around the phosphorylation site of Tyr364.

Uniprot:
Gene(ID):
Expression:
P11940 PABP1_HUMAN:

Ubiquitous.

Sequence:
MNPSAPSYPMASLYVGDLHPDVTEAMLYEKFSPAGPILSIRVCRDMITRRSLGYAYVNFQQPADAERALDTMNFDVIKGKPVRIMWSQRDPSLRKSGVGNIFIKNLDKSIDNKALYDTFSAFGNILSCKVVCDENGSKGYGFVHFETQEAAERAIEKMNGMLLNDRKVFVGRFKSRKEREAELGARAKEFTNVYIKNFGEDMDDERLKDLFGKFGPALSVKVMTDESGKSKGFGFVSFERHEDAQKAVDEMNGKELNGKQIYVGRAQKKVERQTELKRKFEQMKQDRITRYQGVNLYVKNLDDGIDDERLRKEFSPFGTITSAKVMMEGGRSKGFGFVCFSSPEEATKAVTEMNGRIVATKPLYVALAQRKEERQAHLTNQYMQRMASVRAVPNPVINPYQPAPPSGYFMAAIPQTQNRAAYYPPSQIAQLRPSPRWTAQGARPHPFQNMPGAIRPAAPRPPFSTMRPASSQVPRVMSTQRVANTSTQTMGPRPAAAAAAATPAVRTVPQYKYAAGVRNPQQHLNAQPQVTMQQPAVHVQGQEPLTASMLASAPPQEQKQMLGERLFPLIQAMHPTLAGKITGMLLEIDNSELLHMLESPESLRSKVDEAVAVLQAHQAKEAAQKAVNSATGVPTV

Predictions

Predictions:

Score>80(red) has high confidence and is suggested to be used for WB detection. *The prediction model is mainly based on the alignment of immunogen sequences, the results are for reference only, not as the basis of quality assurance.

Species
Results
Score
Pig
100
Bovine
100
Sheep
100
Xenopus
100
Rabbit
100
Dog
50
Horse
0
Zebrafish
0
Chicken
0
Model Confidence:
High(score>80) Medium(80>score>50) Low(score<50) No confidence

Research Backgrounds

Function:

Binds the poly(A) tail of mRNA, including that of its own transcript, and regulates processes of mRNA metabolism such as pre-mRNA splicing and mRNA stability. Its function in translational initiation regulation can either be enhanced by PAIP1 or repressed by PAIP2. Can probably bind to cytoplasmic RNA sequences other than poly(A) in vivo. Involved in translationally coupled mRNA turnover. Implicated with other RNA-binding proteins in the cytoplasmic deadenylation/translational and decay interplay of the FOS mRNA mediated by the major coding-region determinant of instability (mCRD) domain. Involved in regulation of nonsense-mediated decay (NMD) of mRNAs containing premature stop codons; for the recognition of premature termination codons (PTC) and initiation of NMD a competitive interaction between UPF1 and PABPC1 with the ribosome-bound release factors is proposed. By binding to long poly(A) tails, may protect them from uridylation by ZCCHC6/ZCCHC11 and hence contribute to mRNA stability.

(Microbial infection) Positively regulates the replication of dengue virus (DENV).

PTMs:

Phosphorylated by MAPKAPK2.

Methylated by CARM1. Arg-493 is dimethylated, probably to asymmetric dimethylarginine.

Subcellular Location:

Cytoplasm. Nucleus. Cytoplasm>Stress granule.
Note: Localized in cytoplasmic mRNP granules containing untranslated mRNAs, which may be different from stress granules (PubMed:17289661). Shuttles between the cytoplasm and the nucleus (PubMed:9582337).

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionSubcellular location
Tissue Specificity:

Ubiquitous.

Family&Domains:

The RNA-binding domains RRM1 and RRM2 and the C-terminus (last 138 amino acids) regions interact with the PABPC1-interacting motif-1 (PAM1) and -2 (PAM2) of PAIP1, respectively.

The RNA-binding domains RRM2 and RRM3 and the C-terminus (last 138 amino acids) regions interact with the PABPC1-interacting motif-1 (PAM1) and -2 (PAM2) of PAIP2, respectively.

Belongs to the polyadenylate-binding protein type-1 family.

Research Fields

· Genetic Information Processing > Translation > RNA transport.

· Genetic Information Processing > Translation > mRNA surveillance pathway.

· Genetic Information Processing > Folding, sorting and degradation > RNA degradation.

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