※ dbPPT Protein Information

TagContent
UniProt Accession
Theoretical PI
5.25 
Molecular Weight
79532.58 
Genbank Protein ID
Genbank Nucleotide ID
Protein Name
Pyrophosphate-energized vacuolar membrane proton pump; Pyrophosphate-energized inorganic pyrophosphatase; H(+)-PPase 
Gene Name
 
Created Date
1995-02-01 
Organism
Hordeum vulgare(Barley) 
NCBI Taxa ID
4513 
Phosphorylation Sites
Position
Peptide
Source
References
698
KYIEAGNSEHARSLG
dbPPT
[1]
42
KVTPGAASAAAGAKN
dbPPT
[1]
Functional Description
Contributes to the transtonoplast (from cytosol to vacuole lumen) H(+)-electrochemical potential difference. It establishes a proton gradient of similar and often greater magnitude than the H(+)-ATPase on the same membrane. 
Sequence Annotation
chain 1 762 Pyrophosphate-energized vacuolar membrane proton pump
topological domain 1 6 Intravacuolar
transmembrane region 7 33 Helical;
topological domain 34 81 Cytoplasmic
transmembrane region 82 111 Helical;
topological domain 112 131 Intravacuolar
transmembrane region 132 159 Helical;
topological domain 160 182 Cytoplasmic
transmembrane region 183 212 Helical;
topological domain 213 215 Intravacuolar
transmembrane region 216 244 Helical;
topological domain 245 282 Cytoplasmic
transmembrane region 283 308 Helical;
topological domain 309 316 Intravacuolar
transmembrane region 317 342 Helical;
topological domain 343 350 Cytoplasmic
transmembrane region 351 378 Helical;
topological domain 379 397 Intravacuolar
transmembrane region 398 421 Helical;
topological domain 422 443 Cytoplasmic
transmembrane region 444 468 Helical;
topological domain 469 474 Intravacuolar
transmembrane region 475 501 Helical;
topological domain 502 530 Cytoplasmic
transmembrane region 531 559 Helical;
topological domain 560 569 Intravacuolar
transmembrane region 570 598 Helical;
topological domain 599 627 Cytoplasmic
transmembrane region 628 656 Helical;
topological domain 657 Intravacuolar
transmembrane region 658 685 Helical;
topological domain 686 728 Cytoplasmic
transmembrane region 729 754 Helical;
topological domain 755 762 Intravacuolar
metal ion-binding site 249 Magnesium 1
metal ion-binding site 249 Magnesium 2
metal ion-binding site 253 Magnesium 1
metal ion-binding site 279 Magnesium 3
metal ion-binding site 503 Magnesium 3
metal ion-binding site 530 Magnesium 4
metal ion-binding site 687 Magnesium 4
metal ion-binding site 723 Magnesium 2
binding site 246 Substrate
binding site 726 Substrate
site 238 Important for proton transport
site 283 Important for proton transport
site 290 Important for proton transport
site 297 Important for proton transport
site 727 Important for proton transport
site 738 Important for proton transport
disulfide bond 121 128
Keyword
Disulfide bond,Hydrogen ion transport,Hydrolase,Ion transport,Magnesium,Membrane,Metal-binding,Transmembrane,Transmembrane helix,Transport,Vacuole 
Sequence Source
UniProt 
Protein Sequence
MAILGELGTE ILIPVCGVIG IVFAVAQWFI VSKVKVTPGA ASAAAGAKNG YGDYLIEEEE 60
GLNDHNVVVK CAEIQTAISE GATSFLFTMY QYVGMFMVVF AAIIFLFLGS IEGFSTKGQP 120
CTYSKGTCKP ALYTALFSTA SFLLGAITSL VSGFLGMKIA TYANARTTLE ARKGVGKAFI 180
TAFRSGAVMG FLLSSSGLVV LYITINVFKM YYGDDWEGLF ESITGYGLGG SSMALFGRVG 240
GGIYTKAADV GADLVGKVER NIPEDDPRNP AVIADNVGDN VGDIAGMGSD LFGSYAESSC 300
AALVVASISS FGINHDFTAM CYPLLVSSVG IIVCLLTTLF ATDFFEIKAA NEIEPALKKQ 360
LIISTALMTV GVAVISWLAL PAKFTIFNFG AQKEVSNWGL FFCVAVGLWA GLIIGFVTEY 420
YTSNAYSPVQ DVADSCRTGA ATNVIFGLAL GYKSVIIPIF AIAVSIYVSF SIAAMYGIAM 480
AALGMLSTMA TGLAIDAYGP ISDNAGGIAE MAGMSHRIRE RTDALDAAGN TTAAIGKGFA 540
IGSAALVSLA LFGAFVSRAG VKVVDVLSPK VFIGLIVGAM LPYWFSAMTM KSVGSAALKM 600
VEEVRRQFNT IPGLMEGTAK PDYATCVKIS TDASIKEMIP PGALVMLTPL IVGTLFGVET 660
LSGVLAGALV SGVQIAISAS NTGGAWDNAK KYIEAGNSEH ARSLGPKGSD CHKAAVIGDT 720
IGDPLKDTSG PSLNILIKLM AVESLVFAPF FATYGGLLFK YI 762 
Gene Ontology
GO:0016021; C: integral component of membrane; IEA: UniProtKB-KW
GO:0005774; C: vacuolar membrane; IEA: UniProtKB-SubCell
GO:0009678; F: hydrogen-translocating pyrophosphatase activity; IEA: InterPro
GO:0004427; F: inorganic diphosphatase activity; IEA: UniProtKB-EC
GO:0046872; F: metal ion binding; IEA: UniProtKB-KW
GO:0015992; P: proton transport; IEA: UniProtKB-KW 
Interpro
InterPro; IPR004131; PPase-energised_H-pump
Pfam
Pfam; PF03030; H_PPase 
SMART
 
PROSITE
 
PRINTS