CATH Domain 1qf6A04

CATH Classification

Level	CATH Code	Description
	3	Alpha Beta
	3.30	2-Layer Sandwich
	3.30.930	BirA Bifunctional Protein; domain 2
	3.30.930.10	Bira Bifunctional Protein; Domain 2

Domain Context

CATH Clusters

Superfamily	Bira Bifunctional Protein; Domain 2
Functional Family	Threonine--tRNA ligase

Enzyme Information

6.1.1.3

Threonine--tRNA ligase.

based on mapping to UniProt P0A8M3

ATP + L-threonine + tRNA(Thr) = AMP + diphosphate + L-threonyl-tRNA(Thr).

UniProtKB Entries (1)

SYT_ECOLI

Escherichia coli K-12

Threonine--tRNA ligase

PDB Structure

PDB	1QF6
External Links	PDBSum Proteopedia
Method	X-RAY DIFFRACTION
Organism
Primary Citation	The structure of threonyl-tRNA synthetase-tRNA(Thr) complex enlightens its repressor activity and reveals an essential zinc ion in the active site Sankaranarayanan, R., Dock-Bregeon, A.C., Romby, P., Caillet, J., Springer, M., Rees, B., Ehresmann, C., Ehresmann, B., Moras, D. Cell(Cambridge,Mass.)