LEVEL 1 ARCHITECTURE
Primary Structure
Linear sequence of amino acids joined by covalent peptide bonds.
KEY STRUCTURAL CHARACTERISTICS:- Specified directly by mRNA coding sequence
- Reads N-terminus to C-terminus
STRUCTURAL ANATOMYKey Molecular Components
Heme Ring
Protoporphyrin IX ring coordinating a central ferrous (Fe2+) iron atom.
Alpha Helices
8 secondary structural helices (A through H) surrounding heme pocket.
Given the 5' → 3' template DNA strand below, build the complementary 3' → 5' strand by selecting matching nucleotides (A-T, G-C).
Template Strand:ATGCGATCGATC
Select Nucleotide to Add: Q1: What is the primary biological function of Hemoglobin Beta Subunit?
Q2: Which cell location contains HbB?