Definitions Flashcards

1
Q

Primary Structure

A

Linear list of amino acids

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2
Q

Arginine

A

Arg, R, Positively charged side chain

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3
Q

Histidine

A

His, H, Positively charged side chain

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4
Q

Lysine

A

Lys, K, Positively charged side chain

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5
Q

Aspartic Acid

A

Asp, D, Negatively charged side chain

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6
Q

Glutamic acid

A

Glu, E, Negatively charged side chain

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7
Q

Serine

A

Ser, S, Polar uncharged side chain

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8
Q

Threonine

A

Thr, T, Polar uncharged side chain

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9
Q

Asparagine

A

Asn, N, Polar uncharged side chain

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10
Q

Glutamine

A

Gln, Q, Polar uncharged side chain

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11
Q

Cysteine

A

Cys, C, Special Case

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12
Q

Selenocysteine

A

Sec, U, Special Case

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13
Q

Glycine

A

Gly, G, Special Case

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14
Q

Proline

A

Pro, P, Special Case

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15
Q

Alanine

A

Ala, A, hydrophobic side chain

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16
Q

Valine

A

Val, V, hydrophobic side chain

17
Q

Isoleucine

A

Ile, I, hydrophobic side chain

18
Q

Leucine

A

Leu, L, hydrophobic side chain

19
Q

Methionine

A

Met, M, hydrophobic side chain

20
Q

Phenylalanine

A

Phe, F, hydrophobic side chain

21
Q

Tyrosine

A

Tyr, Y, hydrophobic side chain

22
Q

Tryptophan

A

Trp, W, hydrophobic side chain

23
Q

Secondary structure

A

regular backbone conformations that satisfy hydrogen bonding potential of polypeptide backbone

24
Q

Tertiary structure

A

A proteins overall 3D shape

25
Q

Allostery

A

binding at one site affects binding at another site

26
Q

Keratin types

A

Alpha - hair, nails
Beta - scales, tortoise shells

27
Q

Role of vimentin

A

anchors organelles in cytoskeleton - attached to nucleus, ER and mitochondria