Structure of PDB 4dqi Chain A Binding Site BS03

Receptor Information

>4dqi Chain A (length=579) Species: 235909 (Geobacillus kaustophilus HTA426)

KMAFTLADRVTEEMLADKAALVVEVVEENYHDAPIVGIAVVNEHGRFFLR
PETALADPQFVAWLGDETKKKSMFDSKRAAVALKWKGIELCGVSFDLLLA
AYLLDPAQGVDDVAAAAKMKQYEAVRPDEAVYGKGAKRAVPDEPVLAEHL
VRKAAAIWELERPFLDELRRNEQDRLLVELEQPLSSILAEMEFAGVKVDT
KRLEQMGKELAEQLGTVEQRIYELAGQEFNINSPKQLGVILFEKLQLPVL
KKTKTGYSTSADVLEKLAPYHEIVENILHYRQLGKLQSTYIEGLLKVVRP
ATKKVHTIFNQALTQTGRLSSTEPNLQNIPIRLEEGRKIRQAFVPSESDW
LIFAADYSQIELRVLAHIAEDDNLMEAFRRDLDIHTKTAMDIFQVSEDEV
TPNMRRQAKAVNFGIVYGISDYGLAQNLNISRKEAAEFIERYFESFPGVK
RYMENIVQEAKQKGYVTTLLHRRRYLPDITSRNFNVRSFAERMAMNTPIQ
GSAADIIKKAMIDLNARLKEERLQAHLLLQVHDELILEAPKEEMERLCRL
VPEVMEQAVTLRVPLKVDYHYGSTWYDAK

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: 4dqi Chain A Residue 901

Receptor-Ligand Complex Structure

Structure summary

• PDB: 4dqi Structural factors that determine selectivity of a high fidelity DNA polymerase for deoxy-, dideoxy-, and ribonucleotides.
• Resolution: 1.69 Å
• Binding residue (original residue number in PDB): D653 Y654 D830
• Binding residue (residue number reindexed from 1): D356 Y357 D533
• Annotation score: 1

Enzymatic activity

• Enzyme Commision number: 2.7.7.7: DNA-directed DNA polymerase.

Gene Ontology

Molecular Function

• GO:0003676 nucleic acid binding
• GO:0003677 DNA binding
• GO:0003887 DNA-directed DNA polymerase activity
• GO:0008408 3'-5' exonuclease activity

Biological Process

• GO:0006139 nucleobase-containing compound metabolic process
• GO:0006260 DNA replication
• GO:0006261 DNA-templated DNA replication

External links

• PDB: RCSB:4dqi, PDBe:4dqi, PDBj:4dqi
• PDBsum: 4dqi
• PubMed: 22648417
• UniProt: Q5KWC1