the amino group (-NH2) in organic chemistry

glutamic acid (Glu), an amino acid

lysine (Lys), an essential amino acid

tyrosine (Tyr), an amino acid

arginine (Arg), an essential amino acid

ammonia solution

alanine (Ala), an amino acid

proline (Pro), an amino acid

glycine (Gly), an amino acid

tryptophan (Trp), an essential amino acid

serine (Ser), an amino acid

transferase (enzyme) involved in the transfer of amino groups

leucine (Leu), an essential amino acid

threonine (Thr), an essential amino acid

histidine (His), an essential amino acid

valine (Val), an essential amino acid

ammonia gas

a synthetic fiber known for its exceptional elasticity; elastane

aminoacridine or aminacrine (antiseptic and disinfectant)

albuterol (also known as proventil, salbutamol, ventolin), an asthma drug

methionine (Met), an essential amino acid

neuraminidase (the N component of viruses such as bird flu H5N1)

isoleucine (Ile), an essential amino acid

polypeptide, a chain of amino acids linked by peptide bonds CO-NH, a component of protein

peptide (two or more amino acids linked by peptide bonds CO-NH)

a common analgesic and antipyretic medication used to treat pain and fever, also known as acetaminophen

aspartic acid (Asp), an amino acid

phenylalanine (Phe), an essential amino acid

methionine (Met), an essential amino acid

glutamine (Gln), an amino acid

a sulfur-containing amino acid that is a constituent of most proteins and is involved in various metabolic processes

monosodium glutamate (MSG) (E621)

aminotransferase (enzyme)

ethylamino group

glucosamine (abbreviation for [[氨基葡萄糖|氨基葡萄糖|an1 ji1 pu2 tao5 tang2]])

glucosamine (C6H13NO5)