Zn²⁺

Mg²⁺

Ca²⁺

Residues of P-Value less than 0.01 (P < 0.01)

A

D

A

C

E

C

E

G

D

H

H

E

I

K

G

K

L

H

L

P

I

N

Q

K

Q

R

L

R

N

S

P

T

Q

V

R

S

V