Sarcoplasmic/endoplasmic reticulum calcium ATPase 1

NameSarcoplasmic/endoplasmic reticulum calcium ATPase 1
Synonyms
  • 3.6.3.8
  • Calcium pump 1
  • Calcium-transporting ATPase sarcoplasmic reticulum type, fast twitch skeletal muscle isoform
  • Endoplasmic reticulum class 1/2 Ca(2+) ATPase
  • SERCA1
Gene NameATP2A1
OrganismHuman
Amino acid sequence
>lcl|BSEQ0007448|Sarcoplasmic/endoplasmic reticulum calcium ATPase 1
MEAAHAKTTEECLAYFGVSETTGLTPDQVKRNLEKYGLNELPAEEGKTLWELVIEQFEDL
LVRILLLAACISFVLAWFEEGEETITAFVEPFVILLILIANAIVGVWQERNAENAIEALK
EYEPEMGKVYRADRKSVQRIKARDIVPGDIVEVAVGDKVPADIRILAIKSTTLRVDQSIL
TGESVSVIKHTEPVPDPRAVNQDKKNMLFSGTNIAAGKALGIVATTGVGTEIGKIRDQMA
ATEQDKTPLQQKLDEFGEQLSKVISLICVAVWLINIGHFNDPVHGGSWFRGAIYYFKIAV
ALAVAAIPEGLPAVITTCLALGTRRMAKKNAIVRSLPSVETLGCTSVICSDKTGTLTTNQ
MSVCKMFIIDKVDGDICLLNEFSITGSTYAPEGEVLKNDKPVRPGQYDGLVELATICALC
NDSSLDFNEAKGVYEKVGEATETALTTLVEKMNVFNTDVRSLSKVERANACNSVIRQLMK
KEFTLEFSRDRKSMSVYCSPAKSSRAAVGNKMFVKGAPEGVIDRCNYVRVGTTRVPLTGP
VKEKIMAVIKEWGTGRDTLRCLALATRDTPPKREEMVLDDSARFLEYETDLTFVGVVGML
DPPRKEVTGSIQLCRDAGIRVIMITGDNKGTAIAICRRIGIFGENEEVADRAYTGREFDD
LPLAEQREACRRACCFARVEPSHKSKIVEYLQSYDEITAMTGDGVNDAPALKKAEIGIAM
GSGTAVAKTASEMVLADDNFSTIVAAVEEGRAIYNNMKQFIRYLISSNVGEVVCIFLTAA
LGLPEALIPVQLLWVNLVTDGLPATALGFNPPDLDIMDRPPRSPKEPLISGWLFFRYMAI
GGYVGAATVGAAAWWFLYAEDGPHVNYSQLTHFMQCTEDNTHFEGIDCEVFEAPEPMTMA
LSVLVTIEMCNALNSLSENQSLLRMPPWVNIWLLGSICLSMSLHFLILYVDPLPMIFKLR
ALDLTQWLMVLKISLPVIGLDEILKFVARNYLEDPEDERRK
Number of residues1001
Molecular Weight110251.36
Theoretical pI4.8
GO Classification
Functions
  • ATP binding
  • calcium ion binding
  • calcium-transporting ATPase activity
  • protein homodimerization activity
Processes
  • transmembrane transport
  • ion transmembrane transport
  • calcium ion transmembrane transport
  • positive regulation of endoplasmic reticulum calcium ion concentration
  • positive regulation of fast-twitch skeletal muscle fiber contraction
  • response to endoplasmic reticulum stress
  • calcium ion transport
  • regulation of striated muscle contraction
  • intrinsic apoptotic signaling pathway in response to endoplasmic reticulum stress
  • negative regulation of striated muscle contraction
  • relaxation of skeletal muscle
  • apoptotic mitochondrial changes
  • blood coagulation
  • calcium ion import
  • maintenance of mitochondrion location
  • negative regulation of endoplasmic reticulum calcium ion concentration
  • positive regulation of mitochondrial calcium ion concentration
Components
  • sarcoplasmic reticulum membrane
  • perinuclear region of cytoplasm
  • calcium channel complex
  • integral component of plasma membrane
  • H zone
  • I band
  • platelet dense tubular network membrane
  • sarcoplasmic reticulum
  • mitochondrion
  • membrane
  • endoplasmic reticulum-Golgi intermediate compartment
  • endoplasmic reticulum membrane
  • integral component of membrane
General FunctionProtein homodimerization activity
Specific FunctionKey regulator of striated muscle performance by acting as the major Ca(2+) ATPase responsible for the reuptake of cytosolic Ca(2+) into the sarcoplasmic reticulum. Catalyzes the hydrolysis of ATP coupled with the translocation of calcium from the cytosol to the sarcoplasmic reticulum lumen. Contributes to calcium sequestration involved in muscular excitation/contraction.
Pfam Domain Function
Transmembrane Regions49-69 90-110 254-273 296-313 758-777 788-808 829-851 898-917 931-949 965-985
GenBank Protein ID158256064
UniProtKB IDO14983
UniProtKB Entry NameAT2A1_HUMAN
Cellular LocationEndoplasmic reticulum membrane
Gene sequence
>lcl|BSEQ0012711|Sarcoplasmic/endoplasmic reticulum calcium ATPase 1 (ATP2A1)
ATGGGGAAGGTCTACCGGGCTGACCGCAAGTCAGTGCAAAGGATCAAGGCTCGGGACATC
GTCCCTGGGGACATCGTGGAGGTGGCTGTGGGGGACAAAGTCCCTGCAGACATCCGAATC
CTCGCCATCAAATCCACCACGCTGCGGGTTGACCAGTCCATCCTGACAGGCGAGTCTGTA
TCTGTCATCAAACACACGGAGCCCGTTCCTGACCCCCGAGCTGTCAACCAGGACAAGAAG
AACATGCTTTTCTCGGGCACCAACATTGCAGCCGGCAAGGCCTTGGGCATCGTGGCCACC
ACTGGTGTGGGCACCGAGATTGGGAAGATCCGAGACCAAATGGCTGCCACAGAACAGGAC
AAGACCCCCTTGCAGCAGAAGCTGGATGAGTTTGGGGAGCAGCTCTCCAAGGTCATCTCC
CTCATCTGTGTGGCTGTCTGGCTTATCAACATTGGCCACTTCAACGACCCCGTCCATGGG
GGCTCCTGGTTCCGCGGGGCCATCTACTACTTTAAGATTGCCGTGGCCTTGGCTGTGGCT
GCCATCCCCGAAGGTCTTCCTGCAGTCATCACCACCTGCCTGGCCCTGGGTACCCGTCGG
ATGGCAAAGAAGAATGCCATTGTAAGAAGCTTGCCCTCCGTAGAGACCCTGGGCTGCACC
TCTGTCATCTGTTCCGACAAGACAGGCACCCTCACCACCAACCAGATGTCTGTCTGCAAG
ATGTTTATCATTGACAAGGTGGATGGGGACATCTGCCTCCTGAATGAGTTCTCCATCACC
GGCTCCACTTACGCTCCAGAGGGAGAGGTCTTGAAGAATGATAAGCCAGTCCGGCCAGGG
CAGTATGACGGGCTGGTGGAGCTGGCCACCATCTGTGCCCTCTGCAATGACTCCTCCTTG
GACTTCAACGAGGCCAAAGGTGTCTATGAGAAGGTCGGCGAGGCCACCGAGACAGCACTC
ACCACCCTGGTGGAGAAGATGAATGTGTTCAACACGGATGTGAGAAGCCTCTCGAAGGTG
GAGAGAGCCAACGCCTGCAACTCGGTGATCCGCCAGCTAATGAAGAAGGAATTCACCCTG
GAGTTCTCCCGAGACAGAAAGTCCATGTCTGTCTATTGCTCCCCAGCCAAATCTTCCCGG
GCTGCTGTGGGCAACAAGATGTTTGTCAAGGGTGCCCCTGAGGGCGTCATCGACCGCTGT
AACTATGTGCGAGTTGGCACCACCCGGGTGCCACTGACGGGGCCGGTGAAGGAAAAGATC
ATGGCGGTGATCAAGGAGTGGGGCACTGGCCGGGACACCCTGCGCTGCTTGGCCCTGGCC
ACCCGGGACACCCCCCCGAAGCGAGAGGAAATGGTCCTGGATGACTCTGCCAGGTTCCTG
GAGTATGAGACGGACCTGACATTCGTGGGTGTAGTGGGCATGCTGGACCCTCCGCGCAAG
GAGGTCACGGGCTCCATCCAGCTGTGCCGTGACGCCGGGATCCGGGTGATCATGATCACT
GGGGACAACAAGGGCACAGCCATTGCCATCTGCCGGCGAATTGGCATCTTTGGGGAGAAC
GAGGAGGTGGCCGATCGCGCCTACACGGGCCGAGAGTTCGACGACCTGCCCCTGGCTGAA
CAGCGGGAAGCCTGCCGACGTGCCTGCTGCTTCGCCCGTGTGGAGCCCTCGCACAAGTCC
AAGATTGTGGAGTACCTGCAGTCCTACGATGAGATCACAGCCATGACAGGTGATGGCGTC
AATGACGCCCCTGCCCTGAAGAAGGCTGAGATTGGCATTGCCATGGGATCTGGCACTGCC
GTGGCCAAGACTGCCTCTGAGATGGTGCTGGCTGACGACAACTTCTCCACCATCGTAGCT
GCTGTGGAGGAGGGCCGCGCCATCTACAACAACATGAAGCAGTTCATCCGCTACCTCATT
TCCTCCAACGTGGGCGAGGTGGTCTGTATCTTCCTGACCGCTGCCCTGGGGCTGCCTGAG
GCCCTGATCCCGGTGCAGCTGCTATGGGTGAACTTGGTGACCGACGGGCTCCCAGCCACA
GCCCTGGGCTTCAACCCACCAGACCTGGACATCATGGACCGCCCCCCCCGGAGCCCCAAG
GAGCCCCTCATCAGTGGCTGGCTCTTCTTCCGCTACATGGCAATCGGGGGCTATGTGGGT
GCAGCCACCGTGGGAGCAGCTGCCTGGTGGTTCCTGTACGCTGAGGATGGGCCTCATGTC
AACTACAGCCAGCTGACTCACTTCATGCAGTGCACCGAGGACAACACCCACTTTGAGGGC
ATAGACTGTGAGGTCTTCGAGGCCCCCGAGCCCATGACCATGGCCCTGTCCGTGCTGGTG
ACCATCGAGATGTGCAATGCACTGAACAGCCTGTCCGAGAACCAGTCCCTGCTGCGGATG
CCACCCTGGGTGAACATCTGGCTGCTGGGCTCCATCTGCCTCTCCATGTCCCTGCACTTC
CTCATCCTCTATGTTGACCCCCTGCCGATGATCTTCAAGCTCCGGGCCCTGGACCTCACC
CAGTGGCTCATGGTCCTCAAGATCTCACTGCCAGTCATTGGGCTCGACGAAATCCTCAAG
TTCGTTGCTCGGAACTACCTAGAGGGATAA
GenBank Gene IDAK291314
GeneCard IDNot Available
GenAtlas IDNot Available
HGNC IDHGNC:811
Chromosome Location16
Locus16p12.1
References
  1. Zhang Y, Fujii J, Phillips MS, Chen HS, Karpati G, Yee WC, Schrank B, Cornblath DR, Boylan KB, MacLennan DH: Characterization of cDNA and genomic DNA encoding SERCA1, the Ca(2+)-ATPase of human fast-twitch skeletal muscle sarcoplasmic reticulum, and its elimination as a candidate gene for Brody disease. Genomics. 1995 Dec 10;30(3):415-24. 8825625
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  4. Daiho T, Yamasaki K, Saino T, Kamidochi M, Satoh K, Iizuka H, Suzuki H: Mutations of either or both Cys876 and Cys888 residues of sarcoplasmic reticulum Ca2+-ATPase result in a complete loss of Ca2+ transport activity without a loss of Ca2+-dependent ATPase activity. Role of the CYS876-CYS888 disulfide bond. J Biol Chem. 2001 Aug 31;276(35):32771-8. Epub 2001 Jul 3. 11438520
  5. Odermatt A, Barton K, Khanna VK, Mathieu J, Escolar D, Kuntzer T, Karpati G, MacLennan DH: The mutation of Pro789 to Leu reduces the activity of the fast-twitch skeletal muscle sarco(endo)plasmic reticulum Ca2+ ATPase (SERCA1) and is associated with Brody disease. Hum Genet. 2000 May;106(5):482-91. 10914677