Structure of PDB 4dsf Chain A Binding Site BS01

Receptor Information

>4dsf Chain A (length=546) Species: 235909 (Geobacillus kaustophilus HTA426)

AKMAFTLADRVTEEMLADKAALVVEVVEENYHDAPIVGIAVVNEHGRFFL
RPETALADPQFVAWLGDETKKKSMFDSKRAAVALKWKGIELCGVSFDLLL
AAYLLDPAQGVDDVAAAAKMKQYEAVRPDEAVYGKGAKRAVPDEPVLAEH
LVRKAAAIWELERPFLDELRRNEQDRLLVELEQPLSSILAEMEFAGVKVD
TKRLEQMGKELAEQLGTVEQRIYELAGQEFNINSPKQLGVILFEKLQLPV
LKKTKTGYSTSADVLEKLAPYHEIVENILHYRQLGKLQSTYIEGLLKVVR
PATKKVHTIFNQALTQTGRLSSTEPNLQNIPIRLEEGRKIRQAFVPSESD
WLIFAADYSQIELRVLAHIAEDDNLMEAFRRNYGGISDYGLAQNLNISRK
EAAEFIERYFESFPGVKRYMENIVQEAKQKGYVTTLLHRRRYLPDITSRN
FNVRSFAERMAMNTPIQGSAADIIKKAMIDLNARLKEERLQAHLLLQVHD
ELILEAPKEEMERLCRLVPEVMEQAVTLRVPLKVDYHYGSTWYDAK

Ligand information

>4dsf Chain B (length=9)

cctgactcc

Receptor-Ligand Complex Structure

Structure summary

• PDB: 4dsf Structural factors that determine selectivity of a high fidelity DNA polymerase for deoxy-, dideoxy-, and ribonucleotides.
• Resolution: 1.661 Å
• Binding residue (original residue number in PDB): T550 K551 T552 T556 A558 R578 Y587 R615 Q624 N625 I626 P627 I628 R629 H829 D830
• Binding residue (residue number reindexed from 1): T254 K255 T256 T260 A262 R282 Y291 R319 Q328 N329 I330 P331 I332 R333 H499 D500

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:4dsf, PDBe:4dsf, PDBj:4dsf
• PDBsum: 4dsf
• PubMed: 22648417
• UniProt: Q5KWC1