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Overview

Uniprot IDQ9Y2Q0
Protein NamePhospholipid-transporting ATPase IA
Gene NameATP8A1
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
704 HSCKLLKKNMGMIVI

Function

Catalytic component of a P4-ATPase flippase complex which catalyzes the hydrolysis of ATP coupled to the transport of aminophospholipids from the outer to the inner leaflet of various membranes and ensures the maintenance of asymmetric distribution of phospholipids (PubMed:31416931). Phospholipid translocation also seems to be implicated in vesicle formation and in uptake of lipid signaling molecules. In vitro, its ATPase activity is selectively and stereospecifically stimulated by phosphatidylserine (PS) (PubMed:31416931). The flippase complex ATP8A1:TMEM30A seems to play a role in regulation of cell migration probably involving flippase-mediated translocation of phosphatidylethanolamine (PE) at the cell membrane (By similarity). Acts as aminophospholipid translocase at the cell membrane in neuronal cells (By similarity)

Protein Sequence

10 MPTMRRTVSE 20 IRSRAEGYEK 30 TDDVSEKTSL 40 ADQEEVRTIF 50 INQPQLTKFC 60 NNHVSTAKYN 70 IITFLPRFLY 80 SQFRRAANSF 90 FLFIALLQQI 100 PDVSPTGRYT 110 TLVPLLFILA 120 VAAIKEIIED 130 IKRHKADNAV 140 NKKQTQVLRN 150 GAWEIVHWEK 160 VAVGEIVKVT 170 NGEHLPADLI 180 SLSSSEPQAM 190 CYIETSNLDG 200 ETNLKIRQGL 210 PATSDIKDVD 220 SLMRISGRIE 230 CESPNRHLYD 240 FVGNIRLDGH 250 GTVPLGADQI 260 LLRGAQLRNT 270 QWVHGIVVYT 280 GHDTKLMQNS 290 TSPPLKLSNV 300 ERITNVQILI 310 LFCILIAMSL 320 VCSVGSAIWN 330 RRHSGKDWYL 340 NLNYGGASNF 350 GLNFLTFIIL 360 FNNLIPISLL 370 VTLEVVKFTQ 380 AYFINWDLDM 390 HYEPTDTAAM 400 ARTSNLNEEL 410 GQVKYIFSDK 420 TGTLTCNVMQ 430 FKKCTIAGVA 440 YGHVPEPEDY 450 GCSPDEWQNS 460 QFGDEKTFSD 470 SSLLENLQNN 480 HPTAPIICEF 490 LTMMAVCHTA 500 VPEREGDKII 510 YQAASPDEGA 520 LVRAAKQLNF 530 VFTGRTPDSV 540 IIDSLGQEER 550 YELLNVLEFT 560 SARKRMSVIV 570 RTPSGKLRLY 580 CKGADTVIYD 590 RLAETSKYKE 600 ITLKHLEQFA 610 TEGLRTLCFA 620 VAEISESDFQ 630 EWRAVYQRAS 640 TSVQNRLLKL 650 EESYELIEKN 660 LQLLGATAIE 670 DKLQDQVPET 680 IETLMKADIK 690 IWILTGDKQE 700 TAINIGHSCK 710 LLKKNMGMIV 720 INEGSLDGTR 730 ETLSRHCTTL 740 GDALRKENDF 750 ALIIDGKTLK 760 YALTFGVRQY 770 FLDLALSCKA 780 VICCRVSPLQ 790 KSEVVEMVKK 800 QVKVVTLAIG 810 DGANDVSMIQ 820 TAHVGVGISG 830 NEGLQAANSS 840 DYSIAQFKYL 850 KNLLMIHGAW 860 NYNRVSKCIL 870 YCFYKNIVLY 880 IIEIWFAFVN 890 GFSGQILFER 900 WCIGLYNVMF 910 TAMPPLTLGI 920 FERSCRKENM 930 LKYPELYKTS 940 QNALDFNTKV 950 FWVHCLNGLF 960 HSVILFWFPL 970 KALQYGTAFG 980 NGKTSDYLLL 990 GNFVYTFVVI 1000 TVCLKAGLET 1010 SYWTWFSHIA 1020 IWGSIALWVV 1030 FFGIYSSLWP 1040 AIPMAPDMSG 1050 EAAMLFSSGV 1060 FWMGLLFIPV 1070 ASLLLDVVYK 1080 VIKRTAFKTL 1090 VDEVQELEAK 1100 SQDPGAVVLG 1110 KSLTERAQLL 1120 KNVFKKNHVN 1130 LYRSESLQQN 1140 LLHGYAFSQD 1150 ENGIVSQSEV 1160 IRAYDTTKQR PDEW

Gene Ontology

Classification GO ID Description
Cellular Component GO:0035577 azurophil granule membrane
Cellular Component GO:0042584 chromaffin granule membrane
Cellular Component GO:0031410 cytoplasmic vesicle
Cellular Component GO:0005783 endoplasmic reticulum
Cellular Component GO:0070062 extracellular exosome
Cellular Component GO:0098978 glutamatergic synapse
Cellular Component GO:0005794 Golgi apparatus
Cellular Component GO:0016020 membrane
Cellular Component GO:0031090 organelle membrane
Cellular Component GO:1990531 phospholipid-translocating ATPase complex
Cellular Component GO:0005886 plasma membrane
Cellular Component GO:0035579 specific granule membrane
Cellular Component GO:0030672 synaptic vesicle membrane
Cellular Component GO:0005802 trans-Golgi network
Molecular Function GO:0005524 ATP binding
Molecular Function GO:0016887 ATP hydrolysis activity
Molecular Function GO:0140326 ATPase-coupled intramembrane lipid transporter activity
Molecular Function GO:0019829 ATPase-coupled monoatomic cation transmembrane transporter activity
Molecular Function GO:0000287 magnesium ion binding
Molecular Function GO:0140346 phosphatidylserine flippase activity
Molecular Function GO:0090556 phosphatidylserine floppase activity
Biological Process GO:0140331 aminophospholipid translocation
Biological Process GO:0007612 learning
Biological Process GO:0034220 monoatomic ion transmembrane transport
Biological Process GO:0045332 phospholipid translocation
Biological Process GO:0030335 positive regulation of cell migration
Biological Process GO:0061092 positive regulation of phospholipid translocation
Biological Process GO:0048488 synaptic vesicle endocytosis
Biological Process GO:0150104 transport across blood-brain barrier

Reference

PMID: N/A