Structure of PDB 7zeh Chain B Binding Site BS03

Receptor Information

>7zeh Chain B (length=275) Species: 9606 (Homo sapiens)

STLMKATVLMRQPGRVQEIVGALRKGGGDRLQVISDFDMTLSRFAYNGKR
CPSSYNILDNSKIISEECRKELTALLHHYYPIEIDPHRTVKEKLPHMVEW
WTKAHNLLCQQKIQKFQIAQVVRESNAMLREGYKTFFNTLYHNNIPLFIF
SAGIGDILEEIIRQMKVFHPNIHIVSNYMDFNEDGFLQGFKGQLIHTYNK
NSSAEGKTNVILLGDSIGDLTMADGVPGVQNILKIGFLNDKVEERRERYM
DSYDIVLEKDETLDVVNGLLQHILC

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: 7zeh Chain B Residue 408

Receptor-Ligand Complex Structure

Structure summary

• PDB: 7zeh Substrate-Based Design of Cytosolic Nucleotidase IIIB Inhibitors and Structural Insights into Inhibition Mechanism.
• Resolution: 1.5 Å
• Binding residue (original residue number in PDB): D41 D43 D230
• Binding residue (residue number reindexed from 1): D36 D38 D215
• Annotation score: 1

Enzymatic activity

• Enzyme Commision number: 3.1.3.5: 5'-nucleotidase.
  3.1.3.91: 7-methylguanosine nucleotidase.

Gene Ontology

Molecular Function

• GO:0000166 nucleotide binding
• GO:0000287 magnesium ion binding
• GO:0005515 protein binding
• GO:0008253 5'-nucleotidase activity
• GO:0016787 hydrolase activity
• GO:0046872 metal ion binding

Biological Process

• GO:0000288 nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay
• GO:0009117 nucleotide metabolic process

Cellular Component

• GO:0005737 cytoplasm
• GO:0005829 cytosol

External links

• PDB: RCSB:7zeh, PDBe:7zeh, PDBj:7zeh
• PDBsum: 7zeh
• PubMed: 35631380
• UniProt: Q969T7|5NT3B_HUMAN 7-methylguanosine phosphate-specific 5'-nucleotidase (Gene Name=NT5C3B)