Structure of PDB 3ehw Chain B

Receptor sequence
>3ehwB (length=140) Species: 9606 (Homo sapiens) [Search protein sequence]
QLRFARLSEHATAPTRGSARAAGYDLYSAYDYTIPPMEKAVVKTDIQIAL
PSGCYGRVAPRSGLAAKHFIDVGAGVIDEDYRGNVGVVLFNFGKEKFEVK
KGDRIAQLICERIFYPEIEEVQALDDTERGSGGFGSTGKN
3D structure
PDB3ehw Human dUTP pyrophosphatase: uracil recognition by a beta hairpin and active sites formed by three separate subunits.
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) A46 R85 G87 I94 D102
Catalytic site (residue number reindexed from 1) A22 R61 G63 I70 D78
Enzyme Commision number 3.6.1.23: dUTP diphosphatase.
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 DUP B R85 S86 G87 Q131 R61 S62 G63 Q107 PDBbind-CN: -logKd/Ki=4.82,IC50=15.2uM
BS02 DUP B R153 G157 F158 G159 S160 T161 R129 G133 F134 G135 S136 T137 PDBbind-CN: -logKd/Ki=4.82,IC50=15.2uM
BS03 DUP B A98 G99 V100 I101 D102 Y105 G110 A74 G75 V76 I77 D78 Y81 G86 PDBbind-CN: -logKd/Ki=4.82,IC50=15.2uM
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0004170 dUTP diphosphatase activity
Biological Process
GO:0006226 dUMP biosynthetic process
GO:0046081 dUTP catabolic process

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Molecular Function
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Biological Process
External links
PDB RCSB:3ehw, PDBe:3ehw, PDBj:3ehw
PDBsum3ehw
PubMed
UniProtP33316|DUT_HUMAN Deoxyuridine 5'-triphosphate nucleotidohydrolase, mitochondrial (Gene Name=DUT)

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