Overview
| Uniprot ID | A0A8L2QSH6 |
| Protein Name | Calcium-transporting ATPase |
| Gene Name | Atp2b1 |
| Organism | Rattus norvegicus |
Kla Sites from experimental identification
| Position |
Flanking peptide |
| 1163 |
SLYEGLEKPESRSSI |
| 193 |
SRIEQEQKFTVIRGG |
| 251 |
TGESDHVKKSLDKDP |
| 324 |
IENRNKAKAQDGAAM |
| 359 |
ANLPKKEKSVLQGKL |
| 365 |
EKSVLQGKLTKLAVQ |
| 48 |
RSTDALRKIQESYGD |
| 747 |
NRRIRNEKGEIEQER |
| 757 |
IEQERIDKIWPKLRV |
| 773 |
ARSSPTDKHTLVKGI |
| 806 |
TNDGPALKKADVGFA |
| 807 |
NDGPALKKADVGFAM |
| 921 |
RKPYGRNKPLISRTM |
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
YSGVKNSLKE
30
ANHDGDFGIT
40
LAELRALMEL
50
RSTDALRKIQ
60
ESYGDVYGIC
70
TKLKTSPNEG
80
LSGNPADLER
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
GRMVVTAVGV
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
YINEKHYKKV
510
PEPEAIPPNI
520
LSYLVTGISV
530
NCAYTSKILP
540
PEKEGGLPRH
550
VGNKTECALL
560
GFLLDLKRDY
570
QDVRNEIPEE
580
ALYKVYTFNS
590
VRKSMSTVLK
600
NSDGSFRIFS
610
KGASEIILKK
620
CFKILSANGE
630
AKVFRPRDRD
640
DIVKTVIEPM
650
ASEGLRTICL
660
AFRDFPAGEP
670
EPEWDNENDV
680
VTGLTCIAVV
690
GIEDPVRPEV
700
PEAIKKCQRA
710
GITVRMVTGD
720
NINTARAIAT
730
KCGILHPGED
740
FLCLEGKDFN
750
RRIRNEKGEI
760
EQERIDKIWP
770
KLRVLARSSP
780
TDKHTLVKGI
790
IDSTVSEQRQ
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
IIIVQFGGKP
1040
FSCSELSIEQ
1050
WLWSIFLGMG
1060
TLLWGQLIST
1070
IPTSRLKFLK
1080
EAGHGTQKEE
1090
IPEEELAEDV
1100
EEIDHAEREL
1110
RRGQILWFRG
1120
LNRIQTQMDV
1130
VNAFQSGGSI
1140
QGALRRQPSI
1150
ASQHHDIRVV
1160
NAFRSSLYEG
1170
LEKPESRSSI
1180
HNFMTHPEFR
1190
IEDSEPHIPL
1200
IDDTDAEDDA
1210
PTKRNSSPPP
1220
SPNKNNNAVD
1230
SGIHLTIEMN
1240
KSATSSSPGS
PLHSLETSL
Gene Ontology
| Classification |
GO ID |
Description |
| Cellular Component |
GO:0016323 |
basolateral plasma membrane |
| Molecular Function |
GO:0046872 |
metal ion binding |
| Molecular Function |
GO:0005388 |
P-type calcium transporter activity |
| Molecular Function |
GO:0030165 |
PDZ domain binding |
| Biological Process |
GO:0003407 |
neural retina development |
| 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 |
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.