Structure of PDB 3qv6 Chain A

Receptor sequence

>3qv6A (length=493) Species: 5665 (Leishmania mexicana)

SQLAHNLTLSIFDPVANYRAARIICTIGPSTQSVEALKGLIQSGMSVARM
NFSHGSHEYHQTTINNVRQAAAELGVNIAIALDTKGPEIRTGQFVGGDAV
MERGATCYVTTDPAFADKGTKDKFYIDYQNLSKVVRPGNYIYIDDGILIL
QVQSHEDEQTLECTVTNSHTISDRRGVNLPGCDVDLPAVSAKDRVDLQFG
VEQGVDMIFASFIRSAEQVGDVRKALGPKGRDIMIICKIENHQGVQNIDS
IIEESDGIMVARGDLGVEIPAEKVVVAQKILISKCNVAGKPVICATQMLE
SMTYNPRPTRAEVSDVANAVFNGADCVMLSGETAKGKYPNEVVQYMARIC
LEAQSALNEYVFFNSIKKLQHIPMSADEAVCSSAVNSVYETKAKAMVVLS
NTGRSARLVAKYRPNCPIVCVTTRLQTCRQLNITQGVESVFFDADKLGHD
EGKEHRVAAGVEFAKSKGYVQTGDYCVVIHADYANQTRILLVE

3D structure

• PDB: 3qv6 The trypanocidal drug suramin and other trypan blue mimetics are inhibitors of pyruvate kinases and bind to the adenosine site.
• Chain: A
• Resolution: 2.85 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): R49 K238 T296
• Catalytic site (residue number reindexed from 1): R49 K238 T296
• Enzyme Commision number: 2.7.1.40: pyruvate kinase.

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	QV6	A	T26 P29 N51 H54 G55 Y59 S330 G331 K335	T26 P29 N51 H54 G55 Y59 S330 G331 K335

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:3qv6, PDBe:3qv6, PDBj:3qv6
• PDBsum: 3qv6
• PubMed: 21733839
• UniProt: Q27686|KPYK_LEIME Pyruvate kinase (Gene Name=PYK)