Structure of PDB 8jb3 Chain A Binding Site BS04

Receptor Information

>8jb3 Chain A (length=419) Species: 4932 (Saccharomyces cerevisiae)

RKDEFIDWVKGLLASPFVLHAVSHEGDYNDDLATTQRVRSQYADIFKDIE
GLIKDKIEFDSRNNILGQSRLNLLVPSIGTFFTELPLEQAFLWEDSQRAI
SARRMVAPSFNDIRHILNTAQIFHFKKQENLHNGKVLRLVTFAGDVTLYE
DGGSLVYTNPVIPYILKLLRCGINVGIVTAAGYDEAGTYENRLKGLIVAL
HDSTDIPVSQKQNLTIMGGESSYLFRYYEDPEEDNFGFRQIDKEEWLLPR
MKAWSLEDVEKTLDFAERTLNRLRKRLNLPSEISIIRKVRAVGIVPGERY
DSKRQVPVKLDREQLEEIVLTLQNTLESFAPSRRIQFSCFDGGSDVWCDI
GGKDLGVRSLQQFYNPESPIQPSETLHVGDQFAPVGSANDFKARLAGCTL
WIASPQETVNYLHRLLETD

Ligand information

• Ligand ID: MG
• InChI: InChI=1S/Mg/q+2
• InChIKey: JLVVSXFLKOJNIY-UHFFFAOYSA-N
• SMILES:
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Mg+2]
  CACTVS 3.341: [Mg++]
• Formula: Mg
• Name: MAGNESIUM ION
• DrugBank: DB01378
• PDB chain: 8jb3 Chain A Residue 505

Receptor-Ligand Complex Structure

Structure summary

• PDB: 8jb3 Structure, cooperativity and inhibition of the inosine 5'-monophosphate-specific phosphatase from Saccharomyces cerevisiae.
• Resolution: 1.77382 Å
• Binding residue (original residue number in PDB): D174 D411
• Binding residue (residue number reindexed from 1): D145 D380
• Annotation score: 1

Enzymatic activity

• Enzyme Commision number: 3.1.3.99: IMP-specific 5'-nucleotidase.

Gene Ontology

Molecular Function

• GO:0000287 magnesium ion binding
• GO:0005524 ATP binding
• GO:0016787 hydrolase activity
• GO:0046872 metal ion binding
• GO:0050483 IMP 5'-nucleotidase activity

Biological Process

• GO:0006190 inosine salvage
• GO:0009117 nucleotide metabolic process
• GO:0071590 nicotinamide riboside biosynthetic process
• GO:0071592 nicotinic acid riboside biosynthetic process

Cellular Component

• GO:0005575 cellular_component

External links

• PDB: RCSB:8jb3, PDBe:8jb3, PDBj:8jb3
• PDBsum: 8jb3
• PubMed: 38362806
• UniProt: Q99312|ISN1_YEAST IMP-specific 5'-nucleotidase 1 (Gene Name=ISN1)