Structure of PDB 5f55 Chain A

Receptor sequence

>5f55A (length=705) Species: 1299 (Deinococcus radiodurans)

MSRPAHWLLAPPASRDALLATMREWQVSPPVAQVLCGRDLRTELLALPLE
LTPNPALREAARHIVAAVREGKRIRIHGDYDADGVSATATLVLGLRAIGA
NVHGFIPHRLNEGYGIHPDRVPEHAAAADLVVTVDCGVSNLDEVKSLLAT
GTEVVVTDHHAPGENFPECLVVHPHLTPDYDPDRHNLTGAGVAYHLLWAV
YEELGRPEPRALLPLATLGTVADVAPLLGENRALVRAGLAEMARTELPGL
RALMNEKRVRQPTARDVAFILAPRINAAGRMGEADRALELLTTPSDHEAK
SLAAYLEIRNQERRKIQDDMFAQALQLADPNDPALVLTHDDWHAGVMGIV
ASKLVETFNRPVYIVAQGKGSVRSTPGISAVQGLRESRDLLGRFGGHPGA
AGFSLDPQNFGALRERIHGYVRQFPTPVPAVRLDAPLPVAALTPELLSEL
SILEPFGEGNPRPLWHLRGPLTDTRLVGKQGDVLQFRFGGVKGMKYSERD
DAAGERDVAAELALNEWKGRTSLELHAAALRPLAPLALAGTEEGLPTLPR
LNPREAMTFLKTGAAAYAEQGVATYLRDNVPGLTLLDTNAPHPGGDLILY
GLPPESALRRWLHEAQEQGGRVAFALGPKTLAELDAALTLAKLLPDSHTE
AAQEAAADAYRSWQWAHHYRVLNDAGWSASVYAMLGLPVPAALPKAAEAL
ALAAG

3D structure

• PDB: 5f55 Structural basis for DNA 5 -end resection by RecJ
• Chain: A
• Resolution: 2.6 Å

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	dna	A	D81 Y114 D223 V224 R265 F269 P273 N276 R280 R313 R314 I349 R373 F394 G395 G396 H397 A400 G402 V477 G478 V483 Q485 M494 Y496 N515 W517	D81 Y114 D223 V224 R265 F269 P273 N276 R280 R313 R314 I349 R373 F394 G395 G396 H397 A400 G402 V477 G478 V483 Q485 M494 Y496 N515 W517
BS02	MN	A	D79 D81 D135	D79 D81 D135
BS03	MN	A	D83 D135 H159 D223	D83 D135 H159 D223

Gene Ontology

Molecular Function

• GO:0003676 nucleic acid binding
• GO:0004527 exonuclease activity
• GO:0008409 5'-3' exonuclease activity
• GO:0046872 metal ion binding

Biological Process

• GO:0006281 DNA repair
• GO:0006310 DNA recombination

External links

• PDB: RCSB:5f55, PDBe:5f55, PDBj:5f55
• PDBsum: 5f55
• PubMed: 27058167
• UniProt: D0EM60