Structure of PDB 3a9h Chain A

Receptor sequence
>3a9hA (length=338) Species: 13773 (Pyrobaculum aerophilum) [Search protein sequence]
EWKFKISEVASDLEVPWSIAPLGGGRYLVTERPGRLVLISPSGKKLVASF
DVANVGEAGLLGLALHPEFPKKSWVYLYASYFAEGGHIRNRVIRGRLDGS
TFKLKEVKTLIDGIPGAYIHNGGRIRFGPDGMLYITTGDAADPRLAQDLS
SLAGKILRVDEEGRPPADNPFPNSPIWSYGHRNPQGIDWHRASGVMVATE
HGPVGHDEVNIILKGGNYGWPLATGKAGRGEFVDPVIDTGSETWAPSGAS
FVHGDMFPGLRGWLLIACLRGSMLAAVNFGDNMEVRKISTFFKNVFGRLR
DVVIDDDGGILISTSNRDGRGSLRAGDDKILKIVSEQH
3D structure
PDB3a9h Catalytic properties and crystal structure of quinoprotein aldose sugar dehydrogenase from hyperthermophilic archaeon Pyrobaculum aerophilum
ChainA
Resolution2.5 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H152 D171 R214 T256 K258 G260
Catalytic site (residue number reindexed from 1) H120 D139 R182 T224 K226 G228
Enzyme Commision number 1.1.5.2: quinoprotein glucose dehydrogenase (PQQ, quinone).
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 GLC A G260 R261 F264 V265 D266 G228 R229 F232 V233 D234
BS02 CA A E240 Y250 E208 Y218
BS03 PQQ A E89 H152 N215 Q217 H233 V236 T275 L301 R302 R330 R332 R352 E57 H120 N183 Q185 H201 V204 T243 L269 R270 R298 R300 R320
Gene Ontology
Molecular Function
GO:0046872 metal ion binding

View graph for
Molecular Function
External links
PDB RCSB:3a9h, PDBe:3a9h, PDBj:3a9h
PDBsum3a9h
PubMed20692227
UniProtQ8ZUN8

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