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Overview

Uniprot IDF1SPZ5
Protein NameCalcium-transporting ATPase
Gene NameATP2B1
OrganismSus scrofa

Kla Sites from experimental identification

Position Flanking peptide
251 TGESDHVKKSLDKDP
601 GSYRIFSKGASEIIL
64 YGICTRLKTSPVEGL
757 IEQERIDKIWPKLRV
773 ARSSPTDKHTLVKGI

Function

Catalyzes the hydrolysis of ATP coupled with the transport of calcium from the cytoplasm to the extracellular space thereby maintaining intracellular calcium homeostasis. Plays a role in blood pressure regulation through regulation of intracellular calcium concentration and nitric oxide production leading to regulation of vascular smooth muscle cells vasoconstriction. Positively regulates bone mineralization through absorption of calcium from the intestine. Plays dual roles in osteoclast differentiation and survival by regulating RANKL-induced calcium oscillations in preosteoclasts and mediating calcium extrusion in mature osteoclasts. Regulates insulin sensitivity through calcium/calmodulin signaling pathway by regulating AKT1 activation and NOS3 activation in endothelial cells. May play a role in synaptic transmission by modulating calcium and proton dynamics at the synaptic vesicles

Protein Sequence

10 MGDMANNSVA 20 YGGVKNSLKE 30 ANHDGDFGIT 40 LAELRALMEL 50 RSTDALRKIQ 60 ESYGDVYGIC 70 TRLKTSPVEG 80 LSGNPADIER 90 REAVFGKNFI 100 PPKKPKTFLQ 110 LVWEALQDVT 120 LIILEIAAIV 130 SLGLSFYQPP 140 EGDNALCGEV 150 SVGEEEGEGE 160 TGWIEGAAIL 170 LSVVCVVLVT 180 AFNDWSKEKQ 190 FRGLQSRIEQ 200 EQKFTVIRGG 210 QVIQIPVADI 220 TVGDIAQVKY 230 GDLLPADGIL 240 IQGNDLKIDE 250 SSLTGESDHV 260 KKSLDKDPLL 270 LSGTHVMEGS 280 GRMVVTAVGI 290 NSQTGIIFTL 300 LGAGGEEEEK 310 KDEKKKEKKN 320 KKQDGAIENR 330 NKAKAQDGAA 340 MEMQPLKSEE 350 GGDGDEKDKK 360 KANLPKKEKS 370 VLQGKLTKLA 380 VQIGKAGLLM 390 SAITVIILVL 400 YFVIDTFWVQ 410 KRPWLAECTP 420 IYIQYFVKFF 430 IIGVTVLVVA 440 VPEGLPLAVT 450 ISLAYSVKKM 460 MKDNNLVRHL 470 DACETMGNAT 480 AICSDKTGTL 490 TMNRMTVVQA 500 YINEKHYKKI 510 PEPEAIPPNI 520 LSYLVTGISV 530 NCAYTSKILP 540 PEKEGGLPRH 550 VGNKTECALL 560 GLLLDLKRDY 570 QDVRNEIPEE 580 ALYKVYTFNS 590 VRKSMSTVLK 600 NSDGSYRIFS 610 KGASEIILKK 620 CFKILSANGE 630 AKVFRPRDRD 640 DIVKTVIEPM 650 ASEGLRTICL 660 AFRDFPAGEP 670 EPEWDNENDI 680 VTGLTCIAVV 690 GIEDPVRPEV 700 PDAIKKCQRA 710 GITVRMVTGD 720 NINTARAIAT 730 KCGILHPGED 740 FLCLEGKDFN 750 RRIRNEKGEI 760 EQERIDKIWP 770 KLRVLARSSP 780 TDKHTLVKGI 790 IDSTVSDQRQ 800 VVAVTGDGTN 810 DGPALKKADV 820 GFAMGIAGTD 830 VAKEASDIIL 840 TDDNFTSIVK 850 AVMWGRNVYD 860 SISKFLQFQL 870 TVNVVAVIVA 880 FTGACITQDS 890 PLKAVQMLWV 900 NLIMDTLASL 910 ALATEPPTES 920 LLLRKPYGRN 930 KPLISRTMMK 940 NILGHAFYQL 950 VVVFTLLFAG 960 EKFFDIDSGR 970 NAPLHAPPSE 980 HYTIVFNTFV 990 LMQLFNEINA 1000 RKIHGERNVF 1010 EGIFNNAIFC 1020 TIVLGTFVVQ 1030 LISTIPTSRL 1040 KFLKEAGHGT 1050 QKEEIPEEEL 1060 AEDVEEIDHA 1070 ERELRRGQIL 1080 WFRGLNRIQT 1090 QMDVVNAFQS 1100 GSSIQGALRR 1110 QPSIASQHHD 1120 IRVVNAFRSS 1130 LYEGLEKPES 1140 RSSIHNFMTH 1150 PEFRIEDSEP 1160 HIPLIDDTDA 1170 EDDAPTKRNC 1180 SPPPSPNKNN 1190 NAVDSGIYLT 1200 IEMNKSATSS 1210 SPGSPLHSLE TSL

Gene Ontology

Classification GO ID Description
Cellular Component GO:0042734 presynaptic membrane
Cellular Component GO:0030672 synaptic vesicle membrane
Molecular Function GO:0005524 ATP binding
Molecular Function GO:0016887 ATP hydrolysis activity
Molecular Function GO:0005516 calmodulin binding
Molecular Function GO:0046872 metal ion binding
Molecular Function GO:0005388 P-type calcium transporter activity

Reference

[1] Fan S, Zhou R, Wen H, Ye H, Ma S et al.. Global profiling of protein lactylome in porcine granulosa cells.. J Ovarian Res 18(1):177. 2025 Aug 8. PMID: 40781717.