Structure of PDB 1k3x Chain A

Receptor sequence
>1k3xA (length=253) Species: 562 (Escherichia coli) [Search protein sequence]
PEGPEIRRAADNLEAAIKGKPLTDVWFAFPQLKTYQSQLIGQHVTHVETR
GKALLTHFSNDLTLYSHNQLYGVWRVVDTGEEPQTTRVLRVKLQTADKTI
LLYSASDIEMLRPEQLTTHPFLQRVGPDVLDPNLTPEVVKERLLSPRFRN
RQFAGLLLDQAFLAGLGNYLRVEILWQVGLTGNHKAKDLNAAQLDALAHA
LLEIPRFSYATRGALFRFKVFHRDGEPCERCGSIIEKTTLSSRPFYWCPG
CQH
3D structure
PDB1k3x Structural analysis of an Escherichia coli endonuclease VIII covalent reaction intermediate.
ChainA
Resolution1.25 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 3.2.2.-
4.2.99.18: DNA-(apurinic or apyrimidinic site) lyase.
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 Q69 Y71 R87 V88 R90 S104 S106 S251 Q69 Y71 R87 V88 R90 S104 S106 S242
BS02 dna A P1 E2 K52 H67 Q69 L70 F121 R124 Q160 G167 N168 R252 P253 P1 E2 K52 H67 Q69 L70 F121 R124 Q160 G167 N168 R243 P244
BS03 ZN A C237 C240 C257 C260 C228 C231 C248 C251
Gene Ontology
Molecular Function
GO:0000703 oxidized pyrimidine nucleobase lesion DNA N-glycosylase activity
GO:0003676 nucleic acid binding
GO:0003677 DNA binding
GO:0003684 damaged DNA binding
GO:0003906 DNA-(apurinic or apyrimidinic site) endonuclease activity
GO:0008270 zinc ion binding
GO:0016787 hydrolase activity
GO:0016798 hydrolase activity, acting on glycosyl bonds
GO:0016799 hydrolase activity, hydrolyzing N-glycosyl compounds
GO:0016829 lyase activity
GO:0019104 DNA N-glycosylase activity
GO:0046872 metal ion binding
GO:0140078 class I DNA-(apurinic or apyrimidinic site) endonuclease activity
Biological Process
GO:0006281 DNA repair
GO:0006284 base-excision repair

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Molecular Function
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Biological Process
External links
PDB RCSB:1k3x, PDBe:1k3x, PDBj:1k3x
PDBsum1k3x
PubMed11847126
UniProtP50465|END8_ECOLI Endonuclease 8 (Gene Name=nei)

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