Amino Acid Collection

Creatine amino acid molecule
Creatine, molecular model. This amino acid acts as an energy store for the contraction of muscle. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (white)

Insulin crystals, light micrograph C017 / 8249
Insulin. Polarised light micrograph (PLM) of crystals of the hormone insulin. The insulin molecule is made up of two chains of amino acids (A & B chains)

Aspartic molecule
Aspartic acid molecule. Alpha-amino acid nonessential in mammals. Precursor to several amino acids including methionine, threonine, isoleucine and lysine

Serine molecule
Serine, molecular model. Non-essential proteinogenic amino acid. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (blue-green), nitrogen (blue) and oxygen (red)

Alanine, molecular model
Alanine. Molecular model of the amino acid alanine. Its chemical formula is C3.H7.N.O3. Atoms are represented as balls and are colour-coded: carbon (blue), hydrogen (gold)

Ricin A-chain, artwork C017 / 3653
Ricin A-chain. Computer artwork showing the enzymatically active A-chain from a molecule of the toxic protein ricin. Ricin comprises two entwined amino acid chains; A (seen here) and B (not shown)

Ricin molecule, artwork C017 / 3652
Ricin molecule. Computer artwork showing the structure of a molecule of the toxic protein ricin. Ricin comprises two entwined amino acid chains; A (yellow) and B (blue)

Ricin molecule, artwork C017 / 3651
Ricin molecule. Computer artwork showing the structure of a molecule of the toxic protein ricin. Ricin comprises two entwined amino acid chains; A (yellow) and B (blue)

Ricin molecule, artwork C017 / 3650
Ricin molecule. Computer artwork showing the structure of a molecule of the toxic protein ricin. Ricin comprises two entwined amino acid chains; A (yellow) and B (blue)

Circular DNA molecule, space artwork F006 / 7089
Circular DNA (deoxyribonucleic acid) molecule, computer artwork and space nebula artwork, depicting origin of life

Tablet computer, insulin molecule F006 / 6311
Tablet computer showing a part of the molecule of human insulin. A single insulin molecule is made up of two chains of amino acids, the A and B chains, which are held together by di-sulphide bridges

Circular DNA molecule, space artwork F006 / 7077
Circular DNA (deoxyribonucleic acid) molecule, computer artwork and space nebula artwork, depicting origin of life

Circular DNA molecule, space artwork F006 / 7087
Circular DNA (deoxyribonucleic acid) molecule, computer artwork and space nebula artwork, depicting origin of life

Amino acid structures F007 / 6424
Amino acid structures. Chemical structures of 20 of the 22 standard amino acids

Glycine riboswitch molecule F007 / 9921
Molecular model of the bacterial glycine riboswitch. This is an RNA element that can bind the amino acid glycine. Glycine riboswitches usually consist of two metabolite-binding aptamer domains tandem

Glycine riboswitch molecule F007 / 9906
Molecular model of the bacterial glycine riboswitch. This is an RNA element that can bind the amino acid glycine. Glycine riboswitches usually consist of two metabolite-binding aptamer domains tandem

tRNA molecule
Transfer RNA (tRNA), molecular model. tRNA (transfer ribonucleic acid) translates messenger RNA (mRNA) into a protein product. Each tRNA molecule carries a specific amino acid, in this case tryptophan

Lysine molecule
Lysine, molecular model. Essential alpha-amino acid. Necessary building block for all protein in the body. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (blue-green)

Alanine molecule
Alanine, molecular model. Alpha-amino acid that can be synthesised by the body. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (blue-green)

Proline molecule
Proline, molecular model. Non-essential alpha-amino acid, one of the 20 DNA-encoded amino acids. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (blue-green)

Leucine molecule
Leucine, molecular model. Essential alpha-amino acid contained in eggs, soy protein, seaweed, turkey, chicken, lamb, cheese, and fish

Cysteine Molecule
Cysteine, molecular model. Non-essential alpha-amino acid. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (blue-green), nitrogen (blue)

Glutamic acid molecule
Glutamic acid, molecular model. Non-essential amino-acid. Important neurotransmitter. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (blue-green)

Glutamine molecule
Proline, molecular model. Non-essential alpha-amino acid, one of the 20 DNA-encoded amino acids. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (blue-green)

Isoleucine molecule
Isoleucine, molecular model. Essential alpha-amino acid contained in eggs, soy protein, seaweed, turkey, chicken, lamb, cheese, and fish

Threonine molecule
Threonine, molecular model. Essential alpha-amino acid and one of the 20 proteinogenic amino acids. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (blue-green)

Valine molecule
Valine, molecular model. Essential alpha-amino acid and one of the 20 proteinogenic amino acids. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (blue-green)

Phenylalanine molecule
Phenylalanine, molecular model. Essential alpha-amino acid, one of the 20 common amino acids used to form proteins. Atoms are represented as spheres and are colour-coded: carbon (grey)

Tryptophan molecule
Tryptophan, molecular model. Essential amino acid and one of the 20 standard amino acids. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (blue-green)

Methionine molecule
Methionine, molecular model. Essential alpha-amino acid. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (blue-green), nitrogen (blue), oxygen (red) and sulfur (yellow)

Ricin A-chain, artwork C017 / 3654
Ricin A-chain. Computer artwork showing the enzymatically active A-chain from a molecule of the toxic protein ricin. Ricin comprises two entwined amino acid chains; A (seen here) and B (not shown)

Ricin molecule, artwork C017 / 3649
Ricin molecule. Computer artwork showing the structure of a molecule of the toxic protein ricin. Ricin comprises two entwined amino acid chains; A (yellow) and B (blue)

Histidine molecule
Histidine, molecular model. Essential amino acid in humans and other mammals. One of the 22 proteinogenic amino acids. Atoms are represented as spheres and are colour-coded: carbon (grey)

Tyrosine molecule
Tyrosine, molecular model. Non-essential amino acid; one of the 20 amino acids used to synthesize proteins. Atoms are represented as spheres and are colour-coded: carbon (grey)

Asparagine molecule
Asparagine, molecular model. Nonessential amino acid. Asparagine residues are often found near the beginning and end of alpha-helices and in turn motifs in beta sheets

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Amino acids are the building blocks of life, essential for the creation and functioning of proteins within our bodies. From the intricate structure of a creatine amino acid molecule to the mesmerizing beauty of insulin crystals under a light micrograph, these tiny entities hold immense power. In a captivating conceptual image, we witness the very essence of creation itself as amino acids come together to form complex structures. Among them, we find aspartic and serine molecules, each playing their unique role in sustaining life's delicate balance. The molecular models reveal an elegant dance between atoms that make up alanine, showcasing its significance in protein synthesis. Meanwhile, artwork depicting ricin A-chain and ricin molecules reminds us of both nature's wonders and potential dangers lurking within these compounds. As we explore further into this microscopic world, our gaze falls upon a circular DNA molecule floating amidst vast cosmic space—an awe-inspiring reminder that even at such minuscule scales, life is intricately connected with the universe around us. And in an unexpected twist linking science with technology, a tablet computer displays an insulin molecule—a testament to how scientific advancements have revolutionized healthcare by harnessing the power of amino acids for therapeutic purposes. These hints paint just a fraction of the incredible story behind amino acids—their versatility and importance cannot be overstated. Whether it be fueling muscle growth or regulating blood sugar levels through insulin production, they truly embody the marvels hidden within every living organism on Earth.