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Table 1 Distribution of amino acids repeat sequences of Pfhrp2 and Pfhrp3 in different regions of India

From: Genetic variation in histidine rich proteins among Indian Plasmodium falciparum population: possible cause of variable sensitivity of malaria rapid diagnostic tests

Type of Repeat

Repeat Sequences in Pfhrp2/Pfhrp3

Antigens observed

No. of individual repeats in different regions of India

Total Repeats

Pfhrp2

Pfhrp3

Chhattisgarh

West Bengal

M.P.

Gujarat

Orissa

Karnataka

1

AHHAHHVAD

+

-

1-2

1-3

1-4

1-2

1-3

1-2

1-4

2

AHHAHHAAD

+

-

2-14

2-15

2-9

3-11

2-11

2-11

2-14

3

AHHAHHAAY

+

-

0-1

0-1

0-1

0-1

1-2

0-1

0-2

4

AHH

+

-

1-3

0-2

0

0-2

0-2

0-2

0-3

 

AHH

-

+

0

0-1

0

0-2

0-2

0

0-2

5

AHHAHHASD

+

-

0

0-2

0-1

0-1

0-1

0-2

0-2

6

AHHATD

+

-

0-4

0-2

0-1

0-1

0-5

0-2

0-2

7

AHHAAD

+

-

0-1

0-2

1-2

1-6

1-5

0-3

0-4

 

AHHAAD

-

+

0-1

0-1

1-2

0-1

1-2

0-1

0-2

8

AHHAAY

+

-

0

1-2

0-1

0-1

0-1

0-1

0-2

9

AHHAPH

+

-

0-1

0

0

0

0

0

0-1

10

AHHAPD

+

-

0-1

0

0

0

0

0

0-1

11

AHVDD

+

-

0-1

0-1

0-1

0-1

0-1

0-1

0-1

12

AHHAA

+

-

0-2

0-1

0-2

0

0-3

0-2

0-1

13

AHHEAA

+

-

0-1

0-1

0-1

0

0

0

0-1

14

AHHAAN

-

+

2-15

2-12

2-9

3-11

2-14

3-12

2-15

15

AHHDGAHHDD

-

+

1-2

1-2

1-2

1-2

1-2

1-2

1-2

16

AHHDGAHHDG

-

+

0-2

1-2

1-2

0-2

1-2

1-2

0-2

17

AHHDG

-

+

0-2

0

0

0

0

0

0-2

18

AHHN

-

+

0-2

0

0

0

0

0

0-2

  1. Note: Bold letters - Pfhrp2 sequences, Italic – Pfhrp3 sequences.