Structure of PDB 1a73 Chain B Binding Site BS03

Receptor Information
>1a73 Chain B (length=162) Species: 5791 (Physarum polycephalum) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ALTNAQILAVIDSWEETVGQFPVITHHVPLGGGLQGTLHCYEIPLAAPYG
VGFAKNGPTRWQYKRTINQVVHRWGSHTVPFLLEPDNINGKTCTASHLCH
NTRCHNPLHLCWESLDDNKGRNWCPGPNGGCVHAVVCLRQGPLYGPGATV
AGPQQRGSHFVV
Ligand information
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB1a73 DNA binding and cleavage by the nuclear intron-encoded homing endonuclease I-PpoI.
Resolution1.8 Å
Binding residue
(original residue number in PDB)		A48 P49 V52 G53 K56 N57
Binding residue
(residue number reindexed from 1)		A47 P48 V51 G52 K55 N56
Enzymatic activity
Catalytic site (original residue number in PDB) N119
Catalytic site (residue number reindexed from 1) N118
Enzyme Commision number 3.1.-.-
Gene Ontology
Molecular Function
GO:0004519 endonuclease activity
Biological Process
GO:0006314 intron homing

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Molecular Function
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Biological Process
External links
PDB RCSB:1a73, PDBe:1a73, PDBj:1a73
PDBsum1a73
PubMed9665136
UniProtQ94702|PPO1_PHYPO Intron-encoded endonuclease I-PpoI

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