Term Name:	alpha,alpha-trehalose phosphorylase (configuration-retaining) activity
Synonyms:	alpha,alpha-trehalose:phosphate alpha-D-glucosyltransferase activity, trehalose phosphorylase activity
Definition:	Catalysis of the reaction: alpha,alpha-trehalose + phosphate = alpha-D-glucose + alpha-D-glucose 1-phosphate.
Ontology:	GO: Molecular Function [GO:0033832]    QuickGO    AmiGO