Carbohydrates and Energy
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Glucose
alpha
break ring
linear
beta
N-Acetylglucosamine
Glucuronic acid
Galactose
alpha
break ring
linear
beta
N-Acetylgalactosamine
Galacturonic acid
Mannose
alpha
break ring
linear
beta
N-Acetylmannosamine
Mannuronic acid
Fructose
alpha
break ring
linear
beta
Ribose
alpha
break ring
linear
beta
Deoxyribose
alpha
break ring
linear
beta
Disaccharides
α-lactose
β-lactose
cellobiose
sucrose
maltose
trehalose
GlcNAc-GlcA
Heparin
-4
Dermatin
-2
Polysaccharides
Cellulose (n=4)
Cellulose (n=9)
Amylose (n=6)
Amylose (n=40)
Cycloamylose (n=26)
from
1c58
Amylopectin (n=5)
Amylopectin (n=9)
from
9lfn
Chitin (n=6)
from
1hjw
Glycogen (n=4)
Glycogen (n=40)
Glycosaminoglycans
Hyaluronic acid (n=4)
Sodium salt (n=3)
from
1hya
Keratan sulphate (n=2)
from
1kes
Chondroitin sulphate (n=3) sodium salt
from
1c4s
Heparin (n=24)
from
3irj
Energy
Adenosine Triphosphate (ATP)
Adenosine Diphosphate (ADP)
Guanosine-5'-triphosphate (GTP)
Flavin Adenine Dinucleotide (FAD)
Dihydroflavin Adenine Dinucleotide (FADH2)
Nicotinamide Adenine Dinucleotide
+
(NAD+)
Hydronicotinamide Adenine Dinucleotide (NADH)
Nicotinamide Adenine Dinucleotide Phosphate
+
(NADP+)
Glucose-6-Phosphate (G6P)
linear G6P
Fructose-6-Phosphate (F6P)
linear F6P
Pyruvate
-1
Citrate
-3
Coenzyme A (CoA)
Proteins from crystallography
Amylase
3cpu
Add H
Hexokinase
1cza
Add H
Lactase
3ob8
Add H
Sucrase
3lpo
Add H
Sodium/sugar symporter
with bound galactose
3dh4
Add H
Electrostatic Potential Key
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Molecules modified from
PubChem
and
Protein Data Bank
.
This page created by George Lisensky, Beloit College.
Last modified January 23, 2026.
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