Structure of PDB 3hqo Chain K Binding Site BS01

Receptor Information

>3hqo Chain K (length=491) Species: 5665 (Leishmania mexicana)

SQLAHNLTLSIFDPVANYRAARIICTIGPSTQSVEALKGLIQSGMSVARM
NFSHGSHEYHQTTINNVRQAAAELGVNIAIALDTKGPEIRTGQFVGGDAV
MERGATCYVTTDPAFADKGTKDKFYIDYQNLSKVVRPGNYIYIDDGILIL
QVQSHEDEQTLECTVTNSHTISDRRGVNLPGCDVDLPAVSAKDRVDLQFG
VEQGVDMIFASFIRSAEQVGDVRKALGPKGRDIMIICKIENHQGVQNIDS
IIEESDGIMVARGDLGVEIPAEKVVVAQKILISKCNVAGKPVICATQMLE
SMTYNPRPTRAEVSDVANAVFNGADCVMLSGETAKGKYPNEVVQYMARIC
LEAQSALNEYVFFNSIKKLQHIPMSADEAVCSSAVNSVYETKAKAMVVLS
NTGRSARLVAKYRPNCPIVCVTTRLQTCRQLNITQGVESVFFDADKLGHD
EGKEHRVAAGVEFAKSKGYVQTGDYCVVIHYANQTRILLVE

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: 3hqo Chain K Residue 502

Receptor-Ligand Complex Structure

Structure summary

• PDB: 3hqo The allosteric mechanism of pryuvate kinase from Leishmania mexicana: a rock and lock model
• Resolution: 3.4 Å
• Binding residue (original residue number in PDB): E240 D264
• Binding residue (residue number reindexed from 1): E240 D264
• Annotation score: 1

Enzymatic activity

• Enzyme Commision number: 2.7.1.40: pyruvate kinase.

Gene Ontology

Molecular Function

• GO:0000287 magnesium ion binding
• GO:0003824 catalytic activity
• GO:0004743 pyruvate kinase activity
• GO:0005524 ATP binding
• GO:0016301 kinase activity
• GO:0030955 potassium ion binding
• GO:0046872 metal ion binding

Biological Process

• GO:0006096 glycolytic process
• GO:0016310 phosphorylation

Cellular Component

• GO:0005737 cytoplasm

External links

• PDB: RCSB:3hqo, PDBe:3hqo, PDBj:3hqo
• PDBsum: 3hqo
• PubMed: 20123988
• UniProt: Q27686|KPYK_LEIME Pyruvate kinase (Gene Name=PYK)