Human gastrin-34 I; 5-Oxo-L-prolyl-L-leucylglycyl-L-prolyl-L-glutaminylglycyl-L-prolyl-L-prolyl-L-histidyl-L-leucyl-L-valyl-L-alanyl-L-alpha-aspartyl-L-prolyl-L-seryl-L-lysyl-L-lysyl-L-glutaminylglycyl-L-prolyl-L-tryptophyl-L-leucyl-L-alpha-glutamyl-L-alpha-glutamyl-L-alpha-glutamyl-L-alpha-glutamyl-L-alpha-glutamyl-L-alanyl-L-tyrosylglycyl-L-tryptophyl-L-methionyl-L-alpha-aspartyl-L-phenylalaninamide