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Ch.10 Proteins Workers of the Cell
Frost - General, Organic and Biological Chemistry 4th Edition
Frost4th EditionGeneral, Organic and Biological ChemistryISBN: 9780134988696당신이 사용하는 게 아니라요?교과서 변경
모든 교과서Frost 4th EditionCh.10 Proteins Workers of the Cell문제 1b
6장, 문제 1b

Draw the structure for each of the following amino acids and put an asterisk (*) next to any chiral carbon centers in your structure:
b. lysine

검증된 단계별 안내
1
Step 1: Understand the structure of lysine. Lysine is an amino acid with the molecular formula C6H14N2O2. It contains an amino group (-NH2), a carboxyl group (-COOH), and a side chain with a long aliphatic chain ending in another amino group (-CH2-CH2-CH2-CH2-NH2).
Step 2: Draw the backbone structure of lysine. Start with the central alpha carbon (Cα) bonded to the amino group (-NH2), the carboxyl group (-COOH), a hydrogen atom, and the side chain (-CH2-CH2-CH2-CH2-NH2).
Step 3: Identify the chiral carbon. A chiral carbon is a carbon atom bonded to four different groups. In lysine, the alpha carbon (Cα) is bonded to the amino group, carboxyl group, hydrogen atom, and the side chain, making it a chiral center. Place an asterisk (*) next to the alpha carbon in your structure.
Step 4: Complete the structure by ensuring all bonds are correctly drawn and the side chain is fully represented. The side chain consists of four methylene groups (-CH2-) followed by a terminal amino group (-NH2).
Step 5: Double-check your structure for accuracy. Ensure the alpha carbon is marked as chiral with an asterisk (*) and confirm that all functional groups are correctly positioned and labeled.

비슷한 문제에 대한 검증된 영상 답변:

이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
영상 길이:
3m

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Amino Acid Structure

Amino acids are organic compounds that serve as the building blocks of proteins. Each amino acid consists of a central carbon atom (the alpha carbon) bonded to an amino group (-NH2), a carboxyl group (-COOH), a hydrogen atom, and a variable side chain (R group) that determines the specific properties of the amino acid.
추천 영상:
가이드 코스
3:03
Amino Acid Catabolism: Amino Group Example 2

Chirality

Chirality refers to the geometric property of a molecule having a non-superimposable mirror image, much like left and right hands. In amino acids, chirality is often associated with the presence of a chiral carbon atom, which is a carbon atom bonded to four different groups. This property is crucial in biochemistry, as the chirality of amino acids can affect protein structure and function.
추천 영상:
가이드 코스
1:39
Chirality Example 1

Lysine Structure

Lysine is an essential amino acid characterized by its side chain containing an additional amino group, making it a positively charged molecule at physiological pH. The structure of lysine includes a chiral center at the alpha carbon, and it is important to identify this chiral center when drawing its structure, as it influences the amino acid's interactions and roles in proteins.
추천 영상:
가이드 코스
1:01
Structural Formula Concept 2
관련 실천
교과서 질문

Classify each of the amino acids in Problem 10.1 as polar (neutral, acidic, or basic) or nonpolar and as hydrophobic or hydrophilic.

a. alanine

b. lysine

c. tryptophan

d. aspartate

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교과서 질문

Draw the structure for each of the following amino acids and put an asterisk (*) next to any chiral carbon centers in your structure:

c. methionine

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교과서 질문

Give the three-letter and one-letter abbreviations and identify the functional group in the side chain for each amino acid in Problem 10.1.

a. alanine

b. lysine

c. tryptophan

d. aspartate

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