CATH Domain 3a31A01

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

Enzyme Information

6.1.1.3

Threonine--tRNA ligase.

based on mapping to UniProt Q9YDW0

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

UniProtKB Entries (1)

SYTC_AERPE

Aeropyrum pernix K1

Threonine--tRNA ligase catalytic subunit

PDB Structure

PDB	3A31
External Links	PDBSum Proteopedia
Method	X-RAY DIFFRACTION
Organism
Primary Citation	Two complementary enzymes for threonylation of tRNA in crenarchaeota: crystal structure of Aeropyrum pernix threonyl-tRNA synthetase lacking a cis-editing domain Shimizu, S., Juan, E.C.M., Sato, Y., Miyashita, Y., Hoque, M.M., Suzuki, K., Sagara, T., Tsunoda, M., Sekiguchi, T., Dock-Bregeon, A.-C., Moras, D., Takenaka, A. J.Mol.Biol.