13C Chemical shifts
in lineal tetra- or pentapeptides with respec to TMS
RESIDUE TYPE            CO      CA      CB              CG                      CD              CE              Others

Glycine         Gly G   172.7   43.5(CH2)
Alanine         Ala A   175.8   50.8    17.7(Me)
Valine          Val V   174.9   60.7    30.8(CH)        19.3-18.5(Me)
Leucine         Leu L   175.9   53.6    40.5(CH2)       25.2(CH)                23.1-21.6(Me)
Isoleucine      Ile I   174.8   59.6    36.9(CH)        25.4(CH2),15.7(Me)      11.3(Me)
Phenylalanine   Phe F   176.0   57.4    37.0(CH2)                                                               136.2(C1),130.3(C2),130.3(C3),128.6(C4)
Asparagine      Asn N   173.1   51.5    37.7(CH2)       175.6(CONH2)
Glutamine       Gln Q   174.0   54.1    28.1(CH2)       32.2(CH2)               179.0(CONH2)
Tryptophan      Trp W   176.7   56.7    27.4(CH2)                                                               126.0(C2),108.4(C3),120.3(C4),122.9(C5),119.3(C6),112.8(C7),137.3(C8),127.5(C9)
Proline         Pro P   175.2   61.6    30.6(CH2)       25.5(CH2)               48.2(CH2)
Serine          Ser S   172.6   56.6    62.3(CH2)
Threonine       Thr T   172.7   60.2    68.3(CH)        20.0(Me)
Tyrosine        Tyr Y   176.0   57.4    37.0(CH2)                                                               128.0(C1),130.0(C2),117.0(C3),156.0(C4)
Cysteine        Cys C   175.7   57.9    26.0(CH2)
Methionie       Met M   175.0   53.9    31.0(CH2)       30.7(CH2)               15.0(Me)
Aspartic Acid   Asp D   174.2   52.7    39.8(CH2)       178.4(CO2H)
Glutamic Acid   Glu E   174.8   54.9    28.9(CH2)       34.6(CH2)               182.8(CO2H)
Lysine          Lys K   174.7   54.4    27.5(CH2)       23.1(CH2)               31.8(CH2)       40.5(CH2)
Arginine        Arg R   175.0   54.6    28.8(CH2)       25.7(CH2)               41.7(CH2)       157.6(NHCNHNH2)
Histidine       His H   172.6   53.7    28.0(CH2)                                                               135.2(C2),118.7(C4),130.3(C5)