Structure of PDB 3fwn Chain B

Receptor sequence
>3fwnB (length=467) Species: 83333 (Escherichia coli K-12) [Search protein sequence]
SKQQIGVVGMAVMGRNLALNIESRGYTVSIFNRSREKTEEVIAENPGKKL
VPYYTVKEFVESLETPRRILLMVKAGAGTDAAIDSLKPYLDKGDIIIDGG
NTFFQDTIRRNRELSAEGFNFIGTGVSGGEEGALKGPSIMPGGQKEAYEL
VAPILTKIAAVAEDGEPCVTYIGADGAGHYVKMVHNGIEYGDMQLIAEAY
SLLKGGLNLTNEELAQTFTEWNNGELSSYLIDITKDIFTKKDEDGNYLVD
VILDEAANKGTGKWTSQSALDLGEPLSLITESVFARYISSLKDQRVAASK
VLSGPQAQPAGDKAEFIEKVRRALYLGKIVSYAQGFSQLRAASEEYNWDL
NYGEIAKIFRAGCIIRAQFLQKITDAYAENPQIANLLLAPYFKQIADDYQ
QALRDVVAYAVQIGIPVPTFSAAVAYYDSYRAAVLPANLIQAQRDYFGAH
TYKRIDKEGVFHTEWLD
3D structure
PDB3fwn Conformational changes associated with cofactor/substrate binding of 6-phosphogluconate dehydrogenase from Escherichia coli and Klebsiella pneumoniae: Implications for enzyme mechanism
ChainB
Resolution1.5 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) S128 K183 H186 N187 E190
Catalytic site (residue number reindexed from 1) S127 K182 H185 N186 E189
Enzyme Commision number 1.1.1.44: phosphogluconate dehydrogenase (NADP(+)-dependent, decarboxylating).
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 6PG B R445 H451 R444 H450
BS02 ATR B N33 R34 S35 K38 V74 K75 G79 N32 R33 S34 K37 V73 K74 G78
BS03 6PG B S128 G129 K183 N187 E190 Y191 K260 I365 S127 G128 K182 N186 E189 Y190 K259 I364
Gene Ontology
Molecular Function
GO:0004616 phosphogluconate dehydrogenase (decarboxylating) activity
GO:0016491 oxidoreductase activity
GO:0016616 oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor
GO:0042802 identical protein binding
GO:0042803 protein homodimerization activity
GO:0050661 NADP binding
GO:0097216 guanosine tetraphosphate binding
Biological Process
GO:0006098 pentose-phosphate shunt
GO:0009051 pentose-phosphate shunt, oxidative branch
GO:0016054 organic acid catabolic process
GO:0019521 D-gluconate metabolic process
GO:0046177 D-gluconate catabolic process
Cellular Component
GO:0005829 cytosol

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:3fwn, PDBe:3fwn, PDBj:3fwn
PDBsum3fwn
PubMed19686854
UniProtP00350|6PGD_ECOLI 6-phosphogluconate dehydrogenase, decarboxylating (Gene Name=gnd)

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