Structure of PDB 6qxa Chain D

Receptor sequence
>6qxaD (length=719) Species: 243274 (Thermotoga maritima MSB8) [Search protein sequence]
YVAALFFLIPLVALGFAAANFAAVVRKPEGTERMKEISSYIRSGADSFLA
HETKAIFKVAIVIAILLMIFTTWQTGVAFLLGAVMSASAGIVGMKMATRA
NVRVAEAARTTKKIGPALKVAYQGGSVMGLSVGGFALLGLVLVYLIFGKW
MGQVDNLNIYTNWLGINFVPFAMTVSGYALGCSIIAMFDRVGGGVYTKAA
DMAADLVGKTELNLPEDDPRNPATIADNVGDNVGDVAGLGADLLESFVGA
IVSSIILASYMFPIYVQVHQVPKETIQALISYPIFFALVGLGCSMLGILY
VIVKKPSDNPQRELNISLWTSALLTVVLTAFLTYFYLKDLQGLDVLGFRF
GAISPWFSAIIGIFSGILIGFWAEYYTSYRYKPTQFLGKSSIEGTGMVIS
NGLSLGMKSVFPPTLTLVLGILFADYFAGLYGVAIAALGMLSFVATSVSV
DSYGPIADNAGGISEMCELDPEVRKITDHLDAVGNTTAAIGKGFAIGSAI
FAALSLFASYMFSQISPSDIGKPPSLVLLLNMLDARVIAGALLGAAITYY
FSGYLISAVTKAAMKMVDEIRRQAREIPGLLEGKAKPDYNRCIEITSDNA
LKQMGYPAFIAILTPLVTGFLLGAEFVGGVLIGTVLSGAMLAILTANSGG
AWDNAKKYLEAGNLEGYGKGSEPHKALVIGDTVGDPLKDTVGPSLDILIK
IMSVVSVIAVSIFKHVHLF
3D structure
PDB6qxa Asymmetry in catalysis byThermotoga maritimamembrane-bound pyrophosphatase demonstrated by a nonphosphorus allosteric inhibitor.
ChainD
Resolution3.41 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 7.2.3.1: Na(+)-exporting diphosphatase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 MG D D202 D206 D201 D205
BS02 MG D D218 D465 D217 D458
BS03 MG D D232 D465 D231 D458
BS04 MG D N492 D660 N485 D653
BS05 MG D D660 D692 K695 D653 D685 K688
BS06 2PN D D202 E217 D232 D465 D692 D201 E216 D231 D458 D685
BS07 NA D D243 S247 A502 D703 K707 D242 S246 A495 D696 K700
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0004427 inorganic diphosphate phosphatase activity
GO:0005509 calcium ion binding
GO:0005515 protein binding
GO:0009678 diphosphate hydrolysis-driven proton transmembrane transporter activity
GO:0015081 sodium ion transmembrane transporter activity
GO:0030955 potassium ion binding
GO:0042803 protein homodimerization activity
GO:0046872 metal ion binding
Biological Process
GO:0006814 sodium ion transport
GO:0035725 sodium ion transmembrane transport
GO:1902600 proton transmembrane transport
Cellular Component
GO:0005886 plasma membrane
GO:0016020 membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:6qxa, PDBe:6qxa, PDBj:6qxa
PDBsum6qxa
PubMed31131322
UniProtQ9S5X0|HPPA_THEMA K(+)-stimulated pyrophosphate-energized sodium pump (Gene Name=hppA)

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