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Table 3 The propensity scores of amino acids to be a heme binding protein (HBP) and amino acid composition (%).

From: SCMHBP: prediction and analysis of heme binding proteins using propensity scores of dipeptides

Amino acid

Heme protein Score (Rank)

Composition of HBP:

A (%)

Composition of Non-HBP:

B (%)

Composition difference:

A-B (%)

F-Phe

705.3(1)

5.08

4.07

1.01

H-His

615.6(2)

2.59

2.26

0.33

G-Gly

604.3(3)

6.66

6.00

0.66

W-Trp

603.1(4)

1.47

1.08

0.39

P-Pro

601.3(5)

5.17

4.70

0.47

M-Met

599.6(6)

2.69

2.17

0.52

D-Asp

574.3(7)

5.41

5.33

0.08

L-Leu

570.1(8)

10.28

9.77

0.51

K-Lys

568.3(9)

5.80

6.19

-0.39

R-Arg

566.1(10)

5.56

5.12

0.44

A-Ala

558.8(11)

7.59

7.21

0.38

Y-Tyr

541.0(12)

3.04

3.17

-0.13

V-Val

535.5(13)

6.41

6.29

0.12

I-Ile

518.3(14)

5.77

6.16

-0.39

Q-Gln

511.2(15)

3.61

4.10

-0.49

T-Thr

498.6(16)

5.31

5.63

-0.32

C-Cys

494.9(17)

1.40

1.63

-0.23

E-Glu

494.6(18)

5.95

6.49

-0.54

N-Asn

468.7(19)

4.01

4.89

-0.88

S-Ser

401.4(20)

6.21

7.73

-1.52

R

1.00

-0.05

-0.30

0.92

  1. The total number of amino acids in the used datasets of HBPs and non-HBPs is 199,772 and 200,188, respectively.