OrexinA (human) ; Bovine orexin A ; Human orexin A ; Mouse orexin A ; Orexin A (swine) ; Pig orexin A ; Rat orexin A ; L-Leucinamide,5-oxo-L-prolyl-L-prolyl-L-leucyl-L-prolyl-L-a-aspartyl-L-cysteinyl-L-cysteinyl-L-arginyl-L-glutaminyl-L-lysyl-L-threonyl-L-cysteinyl-L-seryl-L-cysteinyl-L-arginyl-L-leucyl-L-tyrosyl-L-a-glutamyl-L-leucyl-L-leucyl-L-histidylglycyl-L-alanylglycyl-L-asparaginyl-L-histidyl-L-alanyl-L-alanylglycyl-L-isoleucyl-L-leucyl-L-threonyl-,cyclic (6® ; 12),(7® ; 14)-bis(disulfide)