a heptadecapeptide , h-arg-lys-ala-val-tyr-val-glu-leu-tyr-leu-gln-ser-leu-thr-ala-glu-his-oh , corresponding to amino acids 32 to 48 of human splenin ( hsp ) and an analog in which the amino acid residue at position 34 is changed from ala to glu , were synthesized .
C0002520
amino acid
C0061472
glu