Structure of PDB 5wn1 Chain A

Receptor sequence
>5wn1A (length=276) Species: 9606 (Homo sapiens) [Search protein sequence]
ALYEDPPDQKTSPSGKPATLKICSWNVDGLRAWIKKKGLDWVKEEAPDIL
CLQETKCSENKLPAELQELPGLSHQYWSAPSDKEGYSGVGLLSRQAPLKV
SYGIGDEEHDQEGRVIVAEFDSFVLVTAYVPNAGRGLVRLEYRQRWDEAF
RKFLKGLASRKPLVLCGDLNVAHEEIDLRNPKGNKKNAGFTPQERQGFGE
LLQAVPLADSFRHLYPNTPYAYTFWTYMMNARSKNVGWRLDYFLLSHSLL
PALCDSKIRSKALGSDHCPITLYLAL
3D structure
PDB5wn1 Molecular snapshots of APE1 proofreading mismatches and removing DNA damage.
ChainA
Resolution2.3 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) N68 E96 D210 N212 D283 D308 H309
Catalytic site (residue number reindexed from 1) N26 E54 D168 N170 D241 D266 H267
Enzyme Commision number 3.1.11.2: exodeoxyribonuclease III.
3.1.21.-
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 N226 M271 K276 W280 N184 M229 K234 W238
BS02 dna A G71 R73 A74 K78 K98 Y269 M270 M271 G29 R31 A32 K36 K56 Y227 M228 M229
Gene Ontology
Molecular Function
GO:0003677 DNA binding
GO:0003824 catalytic activity
GO:0004518 nuclease activity
GO:0004519 endonuclease activity
Biological Process
GO:0006281 DNA repair

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Molecular Function

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Biological Process
External links
PDB RCSB:5wn1, PDBe:5wn1, PDBj:5wn1
PDBsum5wn1
PubMed29374164
UniProtP27695|APEX1_HUMAN DNA repair nuclease/redox regulator APEX1 (Gene Name=APEX1)

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