OBSOLETE. Combining with lysosphingolipid or lysophosphatidic acid to initiate a change in cell activity.

OBSOLETE. (Was not defined before being made obsolete).

Combining with a virus component and mediating entry of the virus into the cell.

Binding to a protein or protein complex from a different species, for example a pathogen molecule binding to a host protein.

OBSOLETE. (Was not defined before being made obsolete).

Combining with ghrelin to initiate a change in cell activity.

Combining with a nucleotide and transmitting the signal from one side of the membrane to the other to initiate a change in cell activity. A nucleotide is a compound that consists of a nucleoside esterified with a phosphate molecule.

Catalysis of the reaction: 3-deoxyoctulosonyl-lipopolysaccharide + H2O = 3-deoxyoctulosonic acid + lipopolysaccharide.

Catalysis of the reaction: a 6-O-(beta-D-xylopyranosyl)-beta-D-glucopyranoside + H2O = 6-O-(beta-D-xylopyranosyl)-beta-D-glucopyranose + an alcohol.

Catalysis of the reaction: N-acetylphenylethylamine + H(2)O = acetate + phenylethylamine.

Catalysis of the reaction: (R)-mandelamide + H(2)O = (R)-mandelate + NH(4)(+).

Catalysis of the reaction: 2-O-(beta-D-glucosyl)-sn-glycerol 3-phosphate + H(2)O = 2-O-(beta-D-glucosyl)-sn-glycerol + phosphate.

Catalysis of the reaction: 2-(alpha-D-mannosyl)-3-phosphoglycerate + H(2)O = 2-(alpha-D-mannosyl)-D-glycerate + phosphate.

Catalysis of the reaction: (2R)-O-phospho-3-sulfolactate + H(2)O = (R)-3-sulfolactate + phosphate.

Catalysis of the reaction: H2O + myo-inositol hexakisphosphate = phosphate + 1L-myo-inositol 1,2,3,4,6-pentakisphosphate.

Catalysis of the reaction: N-carbamoyl-L-2-amino acid + H2O = L-2-amino acid + NH3 + CO2. The N-carbamoyl-L-2-amino acid is a 2-ureido carboxylate.