Structure of PDB 4rac Chain B

Receptor sequence
>4racB (length=200) Species: 9606 (Homo sapiens) [Search protein sequence]
SPGVVISDDEPGYDLDLFCIPNHYAEDLERVFIPHGLIMDRTERLARDVM
KEMGGHHIVALCVLKGGYKFFADLLDYIKALNRNSSIPMTVDFIRLKSDI
KVIDLSTLTGKNVLIVEDIIDTGKTMQTLLSLVRQYNPKMVKVASLLVKR
TPRSVGYKPDFVGFEIPDKFVVGYALDYNEYFRDLNHVCVISETGKAKYK
3D structure
PDB4rac Aza-acyclic Nucleoside Phosphonates Containing a Second Phosphonate Group As Inhibitors of the Human, Plasmodium falciparum and vivax 6-Oxopurine Phosphoribosyltransferases and Their Prodrugs As Antimalarial Agents.
ChainB
Resolution2.05 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) E133 D134 D137 F186 R199
Catalytic site (residue number reindexed from 1) E117 D118 D121 F170 R183
Enzyme Commision number 2.4.2.8: hypoxanthine phosphoribosyltransferase.
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 3L4 B K68 G69 I135 D137 T138 G139 K140 T141 K165 F186 V187 D193 R199 K65 G66 I119 D121 T122 G123 K124 T125 K149 F170 V171 D177 R183 MOAD: Ki=0.03uM
BS02 MG B E133 D134 E117 D118
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0000287 magnesium ion binding
GO:0004422 hypoxanthine phosphoribosyltransferase activity
GO:0005515 protein binding
GO:0016757 glycosyltransferase activity
GO:0042802 identical protein binding
GO:0046872 metal ion binding
GO:0052657 guanine phosphoribosyltransferase activity
Biological Process
GO:0001913 T cell mediated cytotoxicity
GO:0001975 response to amphetamine
GO:0006164 purine nucleotide biosynthetic process
GO:0006166 purine ribonucleoside salvage
GO:0006178 guanine salvage
GO:0007625 grooming behavior
GO:0007626 locomotory behavior
GO:0021756 striatum development
GO:0021895 cerebral cortex neuron differentiation
GO:0021954 central nervous system neuron development
GO:0032263 GMP salvage
GO:0032264 IMP salvage
GO:0042417 dopamine metabolic process
GO:0043103 hypoxanthine salvage
GO:0044209 AMP salvage
GO:0045964 positive regulation of dopamine metabolic process
GO:0046038 GMP catabolic process
GO:0046040 IMP metabolic process
GO:0046083 adenine metabolic process
GO:0046100 hypoxanthine metabolic process
GO:0046651 lymphocyte proliferation
GO:0048813 dendrite morphogenesis
GO:0051289 protein homotetramerization
GO:0071542 dopaminergic neuron differentiation
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0070062 extracellular exosome

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4rac, PDBe:4rac, PDBj:4rac
PDBsum4rac
PubMed25494538
UniProtP00492|HPRT_HUMAN Hypoxanthine-guanine phosphoribosyltransferase (Gene Name=HPRT1)

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