Structure of PDB 6w4i Chain B Binding Site BS03

Receptor Information
>6w4i Chain B (length=276) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ALYEDPPDQKTSPSGKPATLKICSWNVDGLRAWIKKKGLDWVKEEAPDIL
CLQETKCSENKLPAELQELPGLSHQYWSAPSDKEGYSGVGLLSRQAPLKV
SYGIGDEEHDQEGRVIVAEFDSFVLVTAYVPNAGRGLVRLEYRQRWDEAF
RKFLKGLASRKPLVLCGDLNVAHEEIDLRNPKGNKKNAGFTPQERQGFGE
LLQAVPLADSFRHLYPNTPYAYTFWTAMMNARSKNVGWRLDYFLLSHSLL
PALCDSKIRSKALGSDHCPITLYLAL
Ligand information
Receptor-Ligand Complex Structure
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PDB6w4i AP-endonuclease 1 sculpts DNA through an anchoring tyrosine residue on the DNA intercalating loop.
Resolution2.2 Å
Binding residue
(original residue number in PDB)		D70 G71 R73 A74 K78 K98 E126 G127 R177 M270
Binding residue
(residue number reindexed from 1)		D28 G29 R31 A32 K36 K56 E84 G85 R135 M228
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.-
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:6w4i, PDBe:6w4i, PDBj:6w4i
PDBsum6w4i
PubMed32542366
UniProtP27695|APEX1_HUMAN DNA repair nuclease/redox regulator APEX1 (Gene Name=APEX1)

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