Protein Structure Unit 3 Flashcards
What is the function and what are the Example of ENZYMES ?
Catalysts of cellular reactions
TRYPSIN
What is the function and what are the Example of TRANSPORT PROTEINS?
Carriers of small molecules or ions
HEMOGLOBIN
What is the function and what are the Example of STRUCTURAL PROTEINS ?
Mechanical support and structural organization
COLLAGEN
HISTONES
What is the function and what are the Example of SCAFFOLD PROTEINS ?
Hold proteins together that interact in catalytic or signaling pathways
CHAPRONES Hsp70
What is the function and what are the Example of MOTOR PROTEINS ?
Move along other molecules for transport or synthesis
DNA Polymerase
HELICASE
What is the function and what are the Example of STORAGE PROTEINS ?
Respiratory for ions or small molecules
FERRITIN
What is the function and what are the Example of SIGNALING PROTEIN ?
Cellular communication
INSULIN
What is the function and what are the Example of RECEPTOR PROTEIN ?
Signal detection
EGH RECEPTOR
What is the function and what are the Example of REGULATORY PROTEIN ?
Regulation of cellular processes
LAC REPRESSOR
What are the functional groups that Proteins contain?
Carboxyl
Amino
Hydroxyl
thiol
What are common Functional groups of Amino Acids?
Carboxyl
Amino
Side chains varies
Alanine
Ala
A
Arginine
Arg
R
Asparagine
Asn
N
Asparatic Acid
Asp
D
Cysteine
Cys
C
Glutamine
Gln
Q
Glutamic Acid
Glu
E
Glycine
Gly
G
Histidine
His
H
Isolucine
Ile
I
Leucine
Leu
L
Lysine
Lys
K
Methionine
Met
M
Phenylalanine
The
F
Proline
Pro
P
Serine
Ser
S
Threonine
Thr
T
Tryptophan
Trp
W
Tyrosine
Tyr
Y
Valine
Val
V
what are the essential amino acids and why?
Valine Leucine Isoleucine Phenylalanine Tryptophan Methionine Threonine Lysine Histidine Cannot by synthesized by the body branched amino acids phenyl rings
What is Isoelectric Point?
ph at which net charge is =0
What are the futures of Peptide Bond?
Single bond with double bond characteristics No rotation around peptide bond Planar -6 atoms Uncharged Shorter than typical C-N bond
