Structure of PDB 1de9 Chain A

Receptor sequence
>1de9A (length=276) Species: 9606 (Homo sapiens) [Search protein sequence]
ALYEDPPDHKTSPSGKPATLKICSWNVDGLRAWIKKKGLDWVKEEAPDIL
CLQETKCSENKLPAELQELPGLSHQYWSAPSDKEGYSGVGLLSRQCPLKV
SYGIGDEEHDQEGRVIVAEFDSFVLVTAYVPNAGRGLVRLEYRQRWDEAF
RKFLKGLASRKPLVLCGDLNVAHEEIDLRNPKGNKKNAGFTPQERQGFGE
LLQAVPLADSFRHLYPNTPYAYTFWTYMMNARSKNVGWRLDYFLLSHSLL
PALCDSKIRSKALGSDHCPITLYLAL
3D structure
PDB1de9 DNA-bound structures and mutants reveal abasic DNA binding by APE1 and DNA repair coordination
ChainA
Resolution3.0 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D70 E96 N212 D283 D308
Catalytic site (residue number reindexed from 1) D28 E54 N170 D241 D266
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 E96 N174 E54 N132
BS02 dna A E96 Y171 R177 D210 N212 N222 N226 N229 F266 K276 V278 W280 H309 E54 Y129 R135 D168 N170 N180 N184 N187 F224 K234 V236 W238 H267
BS03 dna A G71 R73 A74 K98 E101 G127 M270 M271 G29 R31 A32 K56 E59 G85 M228 M229
BS04 MN A E96 D308 E54 D266
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:1de9, PDBe:1de9, PDBj:1de9
PDBsum1de9
PubMed10667800
UniProtP27695|APEX1_HUMAN DNA repair nuclease/redox regulator APEX1 (Gene Name=APEX1)

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