Structure of PDB 3lqf Chain B

Receptor sequence
>3lqfB (length=254) Species: 1063 (Cereibacter sphaeroides) [Search protein sequence]
MDYRTVFRLDGACAAVTGAGSGIGLEICRAFAASGARLILIDREAAALDR
AAQELGAAVAARIVADVTDAEAMTAAAAEAEAVAPVSILVNSAGIARLHD
ALETDDATWRQVMAVNVDGMFWASRAFGRAMVARGAGAIVNLGSMSGTIV
NRPQFASSYMASKGAVHQLTRALAAEWAGRGVRVNALAPGYVATEMTLKM
RERPELFETWLDMTPMGRCGEPSEIAAAALFLASPAASYVTGAILAVDGG
YTVW
3D structure
PDB3lqf Structural insight into substrate differentiation of the sugar-metabolizing enzyme galactitol dehydrogenase from Rhodobacter sphaeroides D.
ChainB
Resolution1.8 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) G22 S144 Y159 K163
Catalytic site (residue number reindexed from 1) G22 S144 Y159 K163
Enzyme Commision number 1.1.1.406: galactitol 2-dehydrogenase (L-tagatose-forming).
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 NAD B G22 I23 D42 R43 E44 V67 S92 G94 L142 S144 Y159 K163 M196 T197 G22 I23 D42 R43 E44 V67 S92 G94 L142 S144 Y159 K163 M196 T197
BS02 MRY B L98 Q154 Y159 L98 Q154 Y159
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0016491 oxidoreductase activity
GO:0016616 oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor
GO:0046872 metal ion binding

View graph for
Molecular Function
External links
PDB RCSB:3lqf, PDBe:3lqf, PDBj:3lqf
PDBsum3lqf
PubMed20410293
UniProtC0KTJ6|GATDH_CERSP Galactitol 2-dehydrogenase (L-tagatose-forming)

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