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Overview

Uniprot IDQ4QQT4
Protein NameSerine/threonine-protein phosphatase 2A 65 kDa regulatory subunit A beta isoform
Gene NamePpp2r1b
OrganismRattus norvegicus

Kla Sites from experimental identification

Position Flanking peptide
200 VRRAAASKLGEFAKV
267 LRQAAEDKSWRVRYM
278 VRYMVADKFSELQKA
554 NVRFNVAKSLQKIGP

Function

The PR65 subunit of protein phosphatase 2A serves as a scaffolding molecule to coordinate the assembly of the catalytic subunit and a variable regulatory B subunit

Protein Sequence

10 MAGAAGPGTV 20 PGAAGGDGDD 30 SLYPIAVLID 40 ELRNEDVQLR 50 LNSIKKLSTI 60 ALALGVERTR 70 TELLPFLTDT 80 IYDEDEVLLA 90 LAEQLGNFTG 100 LVGGPDFAHC 110 LLPPLESLAT 120 VEETVVRDKA 130 VESLRQISQE 140 HTPVALEAHF 150 VPLVKRLASG 160 DWFTSRTSAC 170 GLFSVCYPRA 180 SNAVKAEIRQ 190 HFRSLCSDDT 200 PMVRRAAASK 210 LGEFAKVLEL 220 DSVKTEIVPL 230 FTNLASDEQD 240 SVRLLAVEAC 250 VSIAQLLSQD 260 DLEALVMPTL 270 RQAAEDKSWR 280 VRYMVADKFS 290 ELQKAVGPKI 300 ALSDLIPAFQ 310 SLLRDCEAEV 320 RAAAAHKVRE 330 LCENLPTEGR 340 ETVIMNQILP 350 YIKELVSDTN 360 QHVKSALASV 370 IMGLSTVLGK 380 ENTIEHLLPL 390 FLAQLKDECP 400 EVRLNIISNL 410 DCVNEVIGIR 420 QLSQSLLPAI 430 VELAEDAKWR 440 VRLAIIEYMP 450 LLAGQLGVEF 460 FDEKLNSLCM 470 AWLVDHVYAI 480 REAATNNLMK 490 LVQKFGTEWA 500 QNTIVPKVLV 510 MANDPNYLHR 520 MTTLFCINAL 530 SEACGKEITT 540 KQMLPIVLKM 550 AGDQVANVRF 560 NVAKSLQKIG 570 PILDTNALQG 580 EVKPVLQKLG 590 QDEDMDVKYF 600 AQEAISVLAL A

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005737 cytoplasm
Cellular Component GO:0005829 cytosol
Cellular Component GO:0098978 glutamatergic synapse
Cellular Component GO:0045121 membrane raft
Cellular Component GO:0005634 nucleus
Cellular Component GO:0000159 protein phosphatase type 2A complex
Cellular Component GO:0045202 synapse
Molecular Function GO:0019888 protein phosphatase regulator activity
Biological Process GO:0060561 apoptotic process involved in morphogenesis
Biological Process GO:0051754 meiotic sister chromatid cohesion, centromeric
Biological Process GO:2001241 positive regulation of extrinsic apoptotic signaling pathway in absence of ligand
Biological Process GO:0051225 spindle assembly

Reference

[1] Chen Y, Sun W, Sun Z, Zhao H, Wu T et al.. Effect of electroacupuncture on hippocampal protein lactylation in a rat model of vascular dementia.. Front Neurol 16:1629474. 2025. PMID: 40963935.