Structure of PDB 4cma Chain B

Receptor sequence
>4cmaB (length=250) Species: 5702 (Trypanosoma brucei brucei) [Search protein sequence]
EAPAAVVTGAAKRIGRAIAVKLHQTGYRVVIHYHNSAEAAVSLADELNKE
RSNTAVVCQADLTNSNVLPASCEEIINSCFRAFGRCDVLVNNASAFYPTP
LVGKTVETQVAELIGTNAIAPFLLTMSFAQRQKSNLSIVNLCDAMVDQPC
MAFSLYNMGKHALVGLTQSAALELAPYGIRVNGVAPGVSLLPVAMGEEEK
DKWRRKVPLGRREASAEQIADAVIFLVSGSAQYITGSIIKVDGGLSLVHA
3D structure
PDB4cma Structure-Based Design and Synthesis of Antiparasitic Pyrrolopyrimidines Targeting Pteridine Reductase 1.
ChainB
Resolution1.85 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 D143 Y156 K160
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 B R14 I15 H35 N36 S37 D62 L63 N93 A94 S95 T126 L159 K178 P204 V206 S207 R13 I14 H34 N35 S36 D61 L62 N92 A93 S94 T116 L141 K160 P186 V188 S189
BS02 M2N B S95 F97 D161 M163 Y174 G205 V206 L209 S94 F96 D143 M145 Y156 G187 V188 L191 MOAD: Ki=0.59uM
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:4cma, PDBe:4cma, PDBj:4cma
PDBsum4cma
PubMed25007262
UniProtO76290

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