# data[].attributes.body
Function?
Immunoglobulins, also called antibodies, are molecules produced by white blood cells that help your body defend against infections and cancer.

Found where?
Found mainly in blood

Structure level?
Secondary

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Function: histones help give chromosomes their shape and help control the expression of genes.

Found where: A type of protein found in chromosomes.

Structure level: The core histones all exist as dimers, three alpha helices linked by two loops.

# data[].attributes.body
Function? Maintains normal blood glucose levels, regulates carbohydrate, lipid, and protein metabolism.

Found where? The pancreas

Structure level? Quaternary, globulare

# data[].attributes.body
Function?
Membrane proteins allow a cell to respond to specific chemical signals from other cells, others are enzymes and some proteins are involved in the transport of substances across the cell membrane.

Found where?
Protein molecules are found embedded in the two layers of phospholipids.
Structure level?
Secondary

# data[].attributes.body
Function?
Transporting oxygen from the lungs to the tissues and facilitating the return transport of Carbon Dioxide.
Found where?
Red blood cells... Contains iron which allows for the pick up and transport of oxygen.
Structure level?
Quaternary Structure

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Function?
functions as the primary photoreceptor molecule of vision
Found where?
found in the outer segment discs of rod cells
Structure level?
secondary structure

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Function?
To provide structural support to the extracellular space of connective tissues.

Found where?
In the bones, muscles, skin and tendons.

Structure level?
Secondary, fibrous protein.

# data[].attributes.body
Function?
Tubulin in molecular biology can refer either to the tubulin protein superfamily of globular proteins, or one of the member proteins of that superfamily. α- and β-tubulins polymerize into microtubules, a major component of the eukaryotic cytoskeleton. Microtubules function in many essential cellular processes, including mitosis.

Found where?
beneath the cell cortex

Structure level?
Secondary

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Function?
Responsible for making the muscle contract and relax
Found where?
Myosin is found in all the cells of the human body but Muscle cells contain a very high number of them.
Structure level?
It is both a fibrous protein and a globular protein

# data[].attributes.body
Function?
Maintaining and controlling cell shape and structure. Also plays a role in muscle contraction and cell movement.

Found where?
Cytoplasm and the cell nucleus

Structure level?
Tertiary structure. Globular

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Function? Plasma proteins can act as carriers transporting hormones, vitamins and fatty acids.

Found where? Plasma proteins are found in blood plasma.

Structure level? Plasma proteins have all four structural levels.

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Function?
Photosynthesis and photorespiration

Found where?
In the Chloroplast

Structure level?
Quaternary, globular