ATP binding / alanine-tRNA ligase. similar to ALATS (ALANYL-TRNA SYNTHETASE), ATP binding / alanine-tRNA ligase/ ligase, forming aminoacyl-tRNA and related compounds / nucleic acid binding [Arabidopsis thaliana] (TAIR:AT1G50200.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO70984.1); contains InterPro domain Alanyl-tRNA synthetase, class IIc; (InterPro:IPR002318)