protein

1HKC

5PTP

1PFY

number of residues

917

223

551

residue 1

M

I

T

last residue

S

N

K

number of disulfide bonds

0

5

0

Write the sequence for residues 1-15.

M I A A Q L L A Y Y P T E L K

I V G G Y T C G A N T V P Y Q

T Q V A K K I L V T C A L P Y

Which amino acids occur more than once in 1-15?

A L Y

G Y T

A K L V T

Which amino acid is most common, if any?

A

G

none

Is this sequence mostly nonpolar, aromatic, polar uncharged, or charged?

nonpolar

nonpolar

nonpolar

Write the sequence for the last 15 residues.

A A L I T A V G V R L R T E A S S

K V K C N T V S W I K Q T I A S N

D M R Q V E A L V E A S K E E V K

Which amino acids occur more than once?

A T R S

K V N S I

E A V K

Which amino acid is most common, if any?

A

none

E

Is this sequence mostly nonpolar, aromatic, polar uncharged, charged, or mixed?

mixed

polar

polar