Structure of PDB 5k6a Chain B

Receptor sequence
>5k6aB (length=247) Species: 5702 (Trypanosoma brucei brucei) [Search protein sequence]
EAPAAVVTGAAKRIGRAIAVKLHQTGYRVVIHYHNSAEAAVSLADELNKE
RSNTAVVCQADLTNSNVLPASCEEIINSCFRAFGRCDVLVNNASAFYPTP
LVKTVETQVAELIGTNAIAPFLLTMSFAQRQNLSIVNLCDAMVDQPCMAF
SLYNMGKHALVGLTQSAALELAPYGIRVNGVAPGVSLLPVAMGEEEKDKW
RRKVPLGRREASAEQIADAVIFLVSGSAQYITGSIIKVDGGLSLVHA
3D structure
PDB5k6a Chroman-4-One Derivatives Targeting Pteridine Reductase 1 and Showing Anti-Parasitic Activity.
ChainB
Resolution1.7 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) R14 D161 Y174 K178
Catalytic site (residue number reindexed from 1) R13 D140 Y153 K157
Enzyme Commision number ?
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 NAP B R14 I15 H33 Y34 H35 N36 S37 D62 L63 N93 A94 S95 T126 L159 D161 K178 P204 S207 R13 I14 H32 Y33 H34 N35 S36 D61 L62 N92 A93 S94 T115 L138 D140 K157 P183 S186
BS02 6QT B F97 Y174 W221 F96 Y153 W200 MOAD: ic50=31uM
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0016491 oxidoreductase activity
GO:0047040 pteridine reductase activity

View graph for
Molecular Function
External links
PDB RCSB:5k6a, PDBe:5k6a, PDBj:5k6a
PDBsum5k6a
PubMed28282886
UniProtO76290

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