Ala / A
Alanine
hydrophobic residue, neutral charge, residue mass 71.08 Da.
Amino acid index
Amino acids
Structured amino acid entries used to power peptide sequence rendering, residue metadata, and sequence-derived summaries.
Arg / R
Arginine
basic residue, positive charge, residue mass 156.19 Da.
Asn / N
Asparagine
polar residue, neutral charge, residue mass 114.1 Da.
Asp / D
Aspartic acid
acidic residue, negative charge, residue mass 115.09 Da.
Cys / C
Cysteine
polar residue, neutral charge, residue mass 103.14 Da.
Gln / Q
Glutamine
polar residue, neutral charge, residue mass 128.13 Da.
Glu / E
Glutamic acid
acidic residue, negative charge, residue mass 129.12 Da.
Gly / G
Glycine
special residue, neutral charge, residue mass 57.05 Da.
His / H
Histidine
basic residue, positive charge, residue mass 137.14 Da.
Ile / I
Isoleucine
hydrophobic residue, neutral charge, residue mass 113.16 Da.
Leu / L
Leucine
hydrophobic residue, neutral charge, residue mass 113.16 Da.
Lys / K
Lysine
basic residue, positive charge, residue mass 128.17 Da.
Met / M
Methionine
hydrophobic residue, neutral charge, residue mass 131.19 Da.
Phe / F
Phenylalanine
hydrophobic residue, neutral charge, residue mass 147.18 Da.
Pro / P
Proline
special residue, neutral charge, residue mass 97.12 Da.
Ser / S
Serine
polar residue, neutral charge, residue mass 87.08 Da.
Thr / T
Threonine
polar residue, neutral charge, residue mass 101.11 Da.
Trp / W
Tryptophan
hydrophobic residue, neutral charge, residue mass 186.21 Da.
Tyr / Y
Tyrosine
polar residue, neutral charge, residue mass 163.18 Da.
Val / V
Valine
hydrophobic residue, neutral charge, residue mass 99.13 Da.