Exact Mass: 491.200649268
Exact Mass Matches: 491.200649268
Found 97 metabolites which its exact mass value is equals to given mass value 491.200649268,
within given mass tolerance error 0.001 dalton. Try search metabolite list with more accurate mass tolerance error
0.0002 dalton.
Ala Asp Thr Trp
(3S)-3-[(2S)-2-aminopropanamido]-3-{[(1S,2R)-1-{[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]carbamoyl}-2-hydroxypropyl]carbamoyl}propanoic acid
Ala Asp Trp Thr
(2S,3R)-2-[(2S)-2-[(2S)-2-[(2S)-2-aminopropanamido]-3-carboxypropanamido]-3-(1H-indol-3-yl)propanamido]-3-hydroxybutanoic acid
Ala Glu Ser Trp
(4S)-4-[(2S)-2-aminopropanamido]-4-{[(1S)-1-{[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]carbamoyl}-2-hydroxyethyl]carbamoyl}butanoic acid
Ala Glu Trp Ser
(4S)-4-[(2S)-2-aminopropanamido]-4-{[(1S)-1-{[(1S)-1-carboxy-2-hydroxyethyl]carbamoyl}-2-(1H-indol-3-yl)ethyl]carbamoyl}butanoic acid
Ala Ser Glu Trp
(4S)-4-[(2S)-2-[(2S)-2-aminopropanamido]-3-hydroxypropanamido]-4-{[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]carbamoyl}butanoic acid
Ala Ser Trp Glu
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-aminopropanamido]-3-hydroxypropanamido]-3-(1H-indol-3-yl)propanamido]pentanedioic acid
Ala Thr Asp Trp
(3S)-3-[(2S,3R)-2-[(2S)-2-aminopropanamido]-3-hydroxybutanamido]-3-{[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]carbamoyl}propanoic acid
Ala Thr Trp Asp
(2S)-2-[(2S)-2-[(2S,3R)-2-[(2S)-2-aminopropanamido]-3-hydroxybutanamido]-3-(1H-indol-3-yl)propanamido]butanedioic acid
Ala Trp Asp Thr
(2S,3R)-2-[(2S)-2-[(2S)-2-[(2S)-2-aminopropanamido]-3-(1H-indol-3-yl)propanamido]-3-carboxypropanamido]-3-hydroxybutanoic acid
Ala Trp Glu Ser
(4S)-4-[(2S)-2-[(2S)-2-aminopropanamido]-3-(1H-indol-3-yl)propanamido]-4-{[(1S)-1-carboxy-2-hydroxyethyl]carbamoyl}butanoic acid
Ala Trp Ser Glu
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-aminopropanamido]-3-(1H-indol-3-yl)propanamido]-3-hydroxypropanamido]pentanedioic acid
Ala Trp Thr Asp
(2S)-2-[(2S,3R)-2-[(2S)-2-[(2S)-2-aminopropanamido]-3-(1H-indol-3-yl)propanamido]-3-hydroxybutanamido]butanedioic acid
Asp Ala Thr Trp
(3S)-3-amino-3-{[(1S)-1-{[(1S,2R)-1-{[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]carbamoyl}-2-hydroxypropyl]carbamoyl}ethyl]carbamoyl}propanoic acid
Asp Ala Trp Thr
(2S,3R)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carboxypropanamido]propanamido]-3-(1H-indol-3-yl)propanamido]-3-hydroxybutanoic acid
Asp Phe Asn Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carboxypropanamido]-3-phenylpropanamido]-3-carbamoylpropanoyl]pyrrolidine-2-carboxylic acid
Asp Phe Pro Asn
(3S)-3-amino-3-{[(2S)-1-[(2S)-2-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}pyrrolidin-1-yl]-1-oxo-3-phenylpropan-2-yl]carbamoyl}propanoic acid
Asp Asn Phe Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carboxypropanamido]-3-carbamoylpropanamido]-3-phenylpropanoyl]pyrrolidine-2-carboxylic acid
Asp Asn Pro Phe
(3S)-3-amino-3-{[(2S)-3-carbamoyl-1-[(2S)-2-{[(1S)-1-carboxy-2-phenylethyl]carbamoyl}pyrrolidin-1-yl]-1-oxopropan-2-yl]carbamoyl}propanoic acid
Asp Pro Phe Asn
(3S)-3-amino-4-[(2S)-2-{[(1S)-1-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}-2-phenylethyl]carbamoyl}pyrrolidin-1-yl]-4-oxobutanoic acid
Asp Pro Asn Phe
(3S)-3-amino-4-[(2S)-2-{[(1S)-2-carbamoyl-1-{[(1S)-1-carboxy-2-phenylethyl]carbamoyl}ethyl]carbamoyl}pyrrolidin-1-yl]-4-oxobutanoic acid
Asp Thr Ala Trp
(3S)-3-amino-3-{[(1S,2R)-1-{[(1S)-1-{[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]carbamoyl}ethyl]carbamoyl}-2-hydroxypropyl]carbamoyl}propanoic acid
Asp Thr Trp Ala
(3S)-3-amino-3-{[(1S,2R)-1-{[(1S)-1-{[(1S)-1-carboxyethyl]carbamoyl}-2-(1H-indol-3-yl)ethyl]carbamoyl}-2-hydroxypropyl]carbamoyl}propanoic acid
Asp Trp Ala Thr
(2S,3R)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carboxypropanamido]-3-(1H-indol-3-yl)propanamido]propanamido]-3-hydroxybutanoic acid
Asp Trp Thr Ala
(3S)-3-amino-3-{[(1S)-1-{[(1S,2R)-1-{[(1S)-1-carboxyethyl]carbamoyl}-2-hydroxypropyl]carbamoyl}-2-(1H-indol-3-yl)ethyl]carbamoyl}propanoic acid
Glu Ala Ser Trp
(4S)-4-amino-4-{[(1S)-1-{[(1S)-1-{[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]carbamoyl}-2-hydroxyethyl]carbamoyl}ethyl]carbamoyl}butanoic acid
Glu Ala Trp Ser
(4S)-4-amino-4-{[(1S)-1-{[(1S)-1-{[(1S)-1-carboxy-2-hydroxyethyl]carbamoyl}-2-(1H-indol-3-yl)ethyl]carbamoyl}ethyl]carbamoyl}butanoic acid
Glu Gly Thr Trp
(4S)-4-amino-4-[({[(1S,2R)-1-{[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]carbamoyl}-2-hydroxypropyl]carbamoyl}methyl)carbamoyl]butanoic acid
Glu Gly Trp Thr
(4S)-4-amino-4-[({[(1S)-1-{[(1S,2R)-1-carboxy-2-hydroxypropyl]carbamoyl}-2-(1H-indol-3-yl)ethyl]carbamoyl}methyl)carbamoyl]butanoic acid
Glu Ser Ala Trp
(4S)-4-amino-4-{[(1S)-1-{[(1S)-1-{[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]carbamoyl}ethyl]carbamoyl}-2-hydroxyethyl]carbamoyl}butanoic acid
Glu Ser Trp Ala
(4S)-4-amino-4-{[(1S)-1-{[(1S)-1-{[(1S)-1-carboxyethyl]carbamoyl}-2-(1H-indol-3-yl)ethyl]carbamoyl}-2-hydroxyethyl]carbamoyl}butanoic acid
Glu Thr Gly Trp
(4S)-4-amino-4-{[(1S,2R)-1-[({[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]carbamoyl}methyl)carbamoyl]-2-hydroxypropyl]carbamoyl}butanoic acid
Glu Thr Trp Gly
(4S)-4-amino-4-{[(1S,2R)-1-{[(1S)-1-[(carboxymethyl)carbamoyl]-2-(1H-indol-3-yl)ethyl]carbamoyl}-2-hydroxypropyl]carbamoyl}butanoic acid
Glu Trp Ala Ser
(4S)-4-amino-4-{[(1S)-1-{[(1S)-1-{[(1S)-1-carboxy-2-hydroxyethyl]carbamoyl}ethyl]carbamoyl}-2-(1H-indol-3-yl)ethyl]carbamoyl}butanoic acid
Glu Trp Gly Thr
(4S)-4-amino-4-{[(1S)-1-[({[(1S,2R)-1-carboxy-2-hydroxypropyl]carbamoyl}methyl)carbamoyl]-2-(1H-indol-3-yl)ethyl]carbamoyl}butanoic acid
Glu Trp Ser Ala
(4S)-4-amino-4-{[(1S)-1-{[(1S)-1-{[(1S)-1-carboxyethyl]carbamoyl}-2-hydroxyethyl]carbamoyl}-2-(1H-indol-3-yl)ethyl]carbamoyl}butanoic acid
Glu Trp Thr Gly
(4S)-4-amino-4-{[(1S)-1-{[(1S,2R)-1-[(carboxymethyl)carbamoyl]-2-hydroxypropyl]carbamoyl}-2-(1H-indol-3-yl)ethyl]carbamoyl}butanoic acid
Phe Asp Asn Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-phenylpropanamido]-3-carboxypropanamido]-3-carbamoylpropanoyl]pyrrolidine-2-carboxylic acid
Phe Asp Pro Asn
(3S)-3-[(2S)-2-amino-3-phenylpropanamido]-4-[(2S)-2-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}pyrrolidin-1-yl]-4-oxobutanoic acid
Phe Asn Asp Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-phenylpropanamido]-3-carbamoylpropanamido]-3-carboxypropanoyl]pyrrolidine-2-carboxylic acid
Phe Asn Pro Asp
(2S)-2-{[(2S)-1-[(2S)-2-[(2S)-2-amino-3-phenylpropanamido]-3-carbamoylpropanoyl]pyrrolidin-2-yl]formamido}butanedioic acid
Phe Pro Asp Asn
(3S)-3-{[(2S)-1-[(2S)-2-amino-3-phenylpropanoyl]pyrrolidin-2-yl]formamido}-3-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}propanoic acid
Phe Pro Asn Asp
(2S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-3-phenylpropanoyl]pyrrolidin-2-yl]formamido}-3-carbamoylpropanamido]butanedioic acid
Gly Glu Thr Trp
(4S)-4-(2-aminoacetamido)-4-{[(1S,2R)-1-{[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]carbamoyl}-2-hydroxypropyl]carbamoyl}butanoic acid
Gly Glu Trp Thr
(4S)-4-(2-aminoacetamido)-4-{[(1S)-1-{[(1S,2R)-1-carboxy-2-hydroxypropyl]carbamoyl}-2-(1H-indol-3-yl)ethyl]carbamoyl}butanoic acid
Gly Thr Glu Trp
(4S)-4-[(2S,3R)-2-(2-aminoacetamido)-3-hydroxybutanamido]-4-{[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]carbamoyl}butanoic acid
Gly Thr Trp Glu
(2S)-2-[(2S)-2-[(2S,3R)-2-(2-aminoacetamido)-3-hydroxybutanamido]-3-(1H-indol-3-yl)propanamido]pentanedioic acid
Gly Trp Glu Thr
(4S)-4-[(2S)-2-(2-aminoacetamido)-3-(1H-indol-3-yl)propanamido]-4-{[(1S,2R)-1-carboxy-2-hydroxypropyl]carbamoyl}butanoic acid
Gly Trp Thr Glu
(2S)-2-[(2S,3R)-2-[(2S)-2-(2-aminoacetamido)-3-(1H-indol-3-yl)propanamido]-3-hydroxybutanamido]pentanedioic acid
Asn Asp Phe Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-3-carboxypropanamido]-3-phenylpropanoyl]pyrrolidine-2-carboxylic acid
Asn Asp Pro Phe
(3S)-3-[(2S)-2-amino-3-carbamoylpropanamido]-4-[(2S)-2-{[(1S)-1-carboxy-2-phenylethyl]carbamoyl}pyrrolidin-1-yl]-4-oxobutanoic acid
Asn Phe Asp Pro
(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-3-phenylpropanamido]-3-carboxypropanoyl]pyrrolidine-2-carboxylic acid
Asn Phe Pro Asp
(2S)-2-{[(2S)-1-[(2S)-2-[(2S)-2-amino-3-carbamoylpropanamido]-3-phenylpropanoyl]pyrrolidin-2-yl]formamido}butanedioic acid
Asn Pro Asp Phe
(3S)-3-{[(2S)-1-[(2S)-2-amino-3-carbamoylpropanoyl]pyrrolidin-2-yl]formamido}-3-{[(1S)-1-carboxy-2-phenylethyl]carbamoyl}propanoic acid
Asn Pro Phe Asp
(2S)-2-[(2S)-2-{[(2S)-1-[(2S)-2-amino-3-carbamoylpropanoyl]pyrrolidin-2-yl]formamido}-3-phenylpropanamido]butanedioic acid
Pro Asp Phe Asn
(3S)-3-{[(1S)-1-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}-2-phenylethyl]carbamoyl}-3-[(2S)-pyrrolidin-2-ylformamido]propanoic acid
Pro Asp Asn Phe
(3S)-3-{[(1S)-2-carbamoyl-1-{[(1S)-1-carboxy-2-phenylethyl]carbamoyl}ethyl]carbamoyl}-3-[(2S)-pyrrolidin-2-ylformamido]propanoic acid
Pro Phe Asp Asn
(3S)-3-{[(1S)-2-carbamoyl-1-carboxyethyl]carbamoyl}-3-[(2S)-3-phenyl-2-[(2S)-pyrrolidin-2-ylformamido]propanamido]propanoic acid
Pro Phe Asn Asp
(2S)-2-[(2S)-3-carbamoyl-2-[(2S)-3-phenyl-2-[(2S)-pyrrolidin-2-ylformamido]propanamido]propanamido]butanedioic acid
Pro Asn Asp Phe
(3S)-3-[(2S)-3-carbamoyl-2-[(2S)-pyrrolidin-2-ylformamido]propanamido]-3-{[(1S)-1-carboxy-2-phenylethyl]carbamoyl}propanoic acid
Pro Asn Phe Asp
(2S)-2-[(2S)-2-[(2S)-3-carbamoyl-2-[(2S)-pyrrolidin-2-ylformamido]propanamido]-3-phenylpropanamido]butanedioic acid
Ser Ala Glu Trp
(4S)-4-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]propanamido]-4-{[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]carbamoyl}butanoic acid
Ser Ala Trp Glu
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]propanamido]-3-(1H-indol-3-yl)propanamido]pentanedioic acid
Ser Glu Ala Trp
(4S)-4-[(2S)-2-amino-3-hydroxypropanamido]-4-{[(1S)-1-{[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]carbamoyl}ethyl]carbamoyl}butanoic acid
Ser Glu Trp Ala
(4S)-4-[(2S)-2-amino-3-hydroxypropanamido]-4-{[(1S)-1-{[(1S)-1-carboxyethyl]carbamoyl}-2-(1H-indol-3-yl)ethyl]carbamoyl}butanoic acid
Ser Trp Ala Glu
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-3-(1H-indol-3-yl)propanamido]propanamido]pentanedioic acid
Ser Trp Glu Ala
(4S)-4-[(2S)-2-[(2S)-2-amino-3-hydroxypropanamido]-3-(1H-indol-3-yl)propanamido]-4-{[(1S)-1-carboxyethyl]carbamoyl}butanoic acid
Thr Ala Asp Trp
(3S)-3-[(2S)-2-[(2S,3R)-2-amino-3-hydroxybutanamido]propanamido]-3-{[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]carbamoyl}propanoic acid
Thr Ala Trp Asp
(2S)-2-[(2S)-2-[(2S)-2-[(2S,3R)-2-amino-3-hydroxybutanamido]propanamido]-3-(1H-indol-3-yl)propanamido]butanedioic acid
Thr Asp Ala Trp
(3S)-3-[(2S,3R)-2-amino-3-hydroxybutanamido]-3-{[(1S)-1-{[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]carbamoyl}ethyl]carbamoyl}propanoic acid
Thr Asp Trp Ala
(3S)-3-[(2S,3R)-2-amino-3-hydroxybutanamido]-3-{[(1S)-1-{[(1S)-1-carboxyethyl]carbamoyl}-2-(1H-indol-3-yl)ethyl]carbamoyl}propanoic acid
Thr Glu Gly Trp
(4S)-4-[(2S,3R)-2-amino-3-hydroxybutanamido]-4-[({[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]carbamoyl}methyl)carbamoyl]butanoic acid
Thr Glu Trp Gly
(4S)-4-[(2S,3R)-2-amino-3-hydroxybutanamido]-4-{[(1S)-1-[(carboxymethyl)carbamoyl]-2-(1H-indol-3-yl)ethyl]carbamoyl}butanoic acid
Thr Gly Glu Trp
(4S)-4-{2-[(2S,3R)-2-amino-3-hydroxybutanamido]acetamido}-4-{[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]carbamoyl}butanoic acid
Thr Gly Trp Glu
(2S)-2-[(2S)-2-{2-[(2S,3R)-2-amino-3-hydroxybutanamido]acetamido}-3-(1H-indol-3-yl)propanamido]pentanedioic acid
Thr Trp Ala Asp
(2S)-2-[(2S)-2-[(2S)-2-[(2S,3R)-2-amino-3-hydroxybutanamido]-3-(1H-indol-3-yl)propanamido]propanamido]butanedioic acid
Thr Trp Asp Ala
(3S)-3-[(2S)-2-[(2S,3R)-2-amino-3-hydroxybutanamido]-3-(1H-indol-3-yl)propanamido]-3-{[(1S)-1-carboxyethyl]carbamoyl}propanoic acid
Thr Trp Glu Gly
(4S)-4-[(2S)-2-[(2S,3R)-2-amino-3-hydroxybutanamido]-3-(1H-indol-3-yl)propanamido]-4-[(carboxymethyl)carbamoyl]butanoic acid
Thr Trp Gly Glu
(2S)-2-{2-[(2S)-2-[(2S,3R)-2-amino-3-hydroxybutanamido]-3-(1H-indol-3-yl)propanamido]acetamido}pentanedioic acid
Trp Ala Asp Thr
(2S,3R)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]propanamido]-3-carboxypropanamido]-3-hydroxybutanoic acid
Trp Ala Glu Ser
(4S)-4-[(2S)-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]propanamido]-4-{[(1S)-1-carboxy-2-hydroxyethyl]carbamoyl}butanoic acid
Trp Ala Ser Glu
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]propanamido]-3-hydroxypropanamido]pentanedioic acid
Trp Ala Thr Asp
(2S)-2-[(2S,3R)-2-[(2S)-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]propanamido]-3-hydroxybutanamido]butanedioic acid
Trp Asp Ala Thr
(2S,3R)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-3-carboxypropanamido]propanamido]-3-hydroxybutanoic acid
Trp Asp Thr Ala
(3S)-3-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-3-{[(1S,2R)-1-{[(1S)-1-carboxyethyl]carbamoyl}-2-hydroxypropyl]carbamoyl}propanoic acid
Trp Glu Ala Ser
(4S)-4-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-4-{[(1S)-1-{[(1S)-1-carboxy-2-hydroxyethyl]carbamoyl}ethyl]carbamoyl}butanoic acid
Trp Glu Gly Thr
(4S)-4-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-4-[({[(1S,2R)-1-carboxy-2-hydroxypropyl]carbamoyl}methyl)carbamoyl]butanoic acid
Trp Glu Ser Ala
(4S)-4-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-4-{[(1S)-1-{[(1S)-1-carboxyethyl]carbamoyl}-2-hydroxyethyl]carbamoyl}butanoic acid
Trp Glu Thr Gly
(4S)-4-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-4-{[(1S,2R)-1-[(carboxymethyl)carbamoyl]-2-hydroxypropyl]carbamoyl}butanoic acid
Trp Gly Glu Thr
(4S)-4-{2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]acetamido}-4-{[(1S,2R)-1-carboxy-2-hydroxypropyl]carbamoyl}butanoic acid
Trp Gly Thr Glu
(2S)-2-[(2S,3R)-2-{2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]acetamido}-3-hydroxybutanamido]pentanedioic acid
Trp Ser Ala Glu
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-3-hydroxypropanamido]propanamido]pentanedioic acid
Trp Ser Glu Ala
(4S)-4-[(2S)-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-3-hydroxypropanamido]-4-{[(1S)-1-carboxyethyl]carbamoyl}butanoic acid
Trp Thr Ala Asp
(2S)-2-[(2S)-2-[(2S,3R)-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-3-hydroxybutanamido]propanamido]butanedioic acid
Trp Thr Asp Ala
(3S)-3-[(2S,3R)-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-3-hydroxybutanamido]-3-{[(1S)-1-carboxyethyl]carbamoyl}propanoic acid
Trp Thr Glu Gly
(4S)-4-[(2S,3R)-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-3-hydroxybutanamido]-4-[(carboxymethyl)carbamoyl]butanoic acid
Trp Thr Gly Glu
(2S)-2-{2-[(2S,3R)-2-[(2S)-2-amino-3-(1H-indol-3-yl)propanamido]-3-hydroxybutanamido]acetamido}pentanedioic acid