Structure of PDB 5izc Chain A

Receptor sequence
>5izcA (length=249) Species: 5702 (Trypanosoma brucei brucei) [Search protein sequence]
EAPAAVVTGAAKRIGRAIAVKLHQTGYRVVIHYHNSAEAAVSLADELNKE
RSNTAVVCQADLTNSNVLPASCEEIINSCFRAFGRCDVLVNNASAFYPTP
LVGKTVETQVAELIGTNAIAPFLLTMSFAQRQSNLSIVNLCDAMVDQPCM
AFSLYNMGKHALVGLTQSAALELAPYGIRVNGVAPGVSLLPVAMGEEEKD
KWRRKVPLGRREASAEQIADAVIFLVSGSAQYITGSIIKVDGGLSLVHA
3D structure
PDB5izc Exploiting the 2-Amino-1,3,4-thiadiazole Scaffold To Inhibit Trypanosoma brucei Pteridine Reductase in Support of Early-Stage Drug Discovery.
ChainA
Resolution1.92 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 D142 Y155 K159
Enzyme Commision number 1.5.1.33: pteridine reductase.
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 A K13 R14 I15 Y34 H35 N36 S37 D62 L63 N93 A94 S95 T126 L159 K178 P204 G205 S207 L208 K12 R13 I14 Y33 H34 N35 S36 D61 L62 N92 A93 S94 T116 L140 K159 P185 G186 S188 L189
BS02 6F4 A S95 F97 C168 Y174 V206 L209 P210 S94 F96 C149 Y155 V187 L190 P191 PDBbind-CN: -logKd/Ki=3.95,IC50=112uM
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:5izc, PDBe:5izc, PDBj:5izc
PDBsum5izc
PubMed28983525
UniProtO76290

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