Structure of PDB 8dbk Chain B

Receptor sequence
>8dbkB (length=316) Species: 9606 (Homo sapiens) [Search protein sequence]
PNIKIFSGSSHQDLSQKIADRLGLELGKVVTKKFSNQETCVEIGESVRGE
DVYIVQSGCGEINDNLMELLIMINACKIASASRVTAVIPCFPYARQDKKD
KSRAPISAKLVANMLSVAGADHIITMDLHASQIQGFFDIPVDNLYAEPAV
LKWIRENISEWRNCTIVSPDAGGAKRVTSIADRLNVDFALIHKERKKANE
VDRMVLVGDVKDRVAILVDDMADTCGTICHAADKLLSAGATRVYAILTHG
IFSGPAISRINNACFEAVVVTNTIPQEDKMKHCSKIQVIDISMILAEAIR
RTHNGESVSYLFSHVP
3D structure
PDB8dbk Human PRPS1 filaments stabilize allosteric sites to regulate activity.
ChainB
Resolution2.1 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 2.7.6.1: ribose-phosphate diphosphokinase.
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 PRP B H130 D171 G173 K194 R196 D220 D221 D224 T225 C226 G227 T228 H129 D170 G172 K193 R195 D219 D220 D223 T224 C225 G226 T227
BS02 AMP B R96 Q97 N200 R95 Q96 N199
BS03 PO4 B S47 R49 S46 R48
BS04 ATP B F35 N37 E39 F34 N36 E38
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0004749 ribose phosphate diphosphokinase activity
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0016301 kinase activity
GO:0042802 identical protein binding
GO:0042803 protein homodimerization activity
GO:0046872 metal ion binding
Biological Process
GO:0006015 5-phosphoribose 1-diphosphate biosynthetic process
GO:0006144 purine nucleobase metabolic process
GO:0006164 purine nucleotide biosynthetic process
GO:0006221 pyrimidine nucleotide biosynthetic process
GO:0006796 phosphate-containing compound metabolic process
GO:0007399 nervous system development
GO:0009156 ribonucleoside monophosphate biosynthetic process
GO:0009165 nucleotide biosynthetic process
GO:0016310 phosphorylation
GO:0034418 urate biosynthetic process
GO:0044249 cellular biosynthetic process
GO:0046101 hypoxanthine biosynthetic process
GO:0090407 organophosphate biosynthetic process
Cellular Component
GO:0002189 ribose phosphate diphosphokinase complex
GO:0005737 cytoplasm
GO:0005829 cytosol

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:8dbk, PDBe:8dbk, PDBj:8dbk
PDBsum8dbk
PubMed36747094
UniProtP60891|PRPS1_HUMAN Ribose-phosphate pyrophosphokinase 1 (Gene Name=PRPS1)

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