Structure of PDB 5i4r Chain C

Receptor sequence

>5i4rC (length=34) Species: 469008 (Escherichia coli BL21(DE3))

TKPHVNVGTIGHVDHGKTTLTAAITTVLAKTYGG

3D structure

• PDB: 5i4r Structure of a novel antibacterial toxin that exploits elongation factor Tu to cleave specific transfer RNAs.
• Chain: C
• Resolution: 3.3 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): K25 T26
• Catalytic site (residue number reindexed from 1): K17 T18

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	GDP	C	D22 G24 K25 T26 T27	D14 G16 K17 T18 T19

Gene Ontology

Molecular Function

• GO:0003924 GTPase activity
• GO:0005525 GTP binding

External links

• PDB: RCSB:5i4r, PDBe:5i4r, PDBj:5i4r
• PDBsum: 5i4r
• PubMed: 28973472
• UniProt: P0CE48|EFTU2_ECOLI Elongation factor Tu 2 (Gene Name=tufB)