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Comparison of the amino acid sequence of human/rat corticotropin-releasing factor (h/rCRF), rat urocortin (rUcn), sauvagine (Svg), aSvg-30 and astressin with the modified aSvg-30 analogue K41498. Z, pyroglutamic acid; f, D-phenylalanine; B, norleucine; lactam bridge is indicated by a bracket. Identical amino acids are shaded.
