Mutations of patients with factor X deficiency

 

Mutation

Location

Domain

Type

Genotype

Origin

Activity

(PT based assay)

U /dL

Antigen

U/dL

Studies of

Dysfunctional

protein

Reference

Met-40Val

(Nice I)

Pro304Ser

(Nice II)

Exon 1

 

Exon 8

Prepro

 

Catalytic

Initiation Met

 

Missense

Comp het

 

4

7

 

1

nt 8 del GC

Phe31Ser

Exon 1

Exon 2

Prepro

Gla

Frame shift

Comp het

China

<1

5

 

2

Gly-20Arg*

(Santo Domingo)

Exon 1

Prepro

Missense

Hom

Santo Domingo

<2

<5

Expressed

3,4,5

IVS1+3 A>T

Intron 1

 

Splicing

Hom

Iran

<1

7

 

6

IVS1-1 G>C

Intron 1

 

Splicing

Hom

Asia

<1

<1

 

5

Thr-2Met

Cys111Tyr

Exon 2

Exon 5

Prepro

EGF 2

Missense

Missense

Comp het

France

12

26

 

5

Arg-1Thr*

Exon 2

Prepro

Missense

Hom

 

<1-7

43-66

 

6

Glu7Gly

(St Louis II)

Exon 2

Gla

Missense

Hom

 

1-3

100

Expressed

7

Glu14Lys

(Vorarlberg)

Exon 2

Gla

Missense

Hom

 

5-10

20

Purified

8

Glu14Gly

(Ketchikan)

Exon 2

Gla

Missense

Hom

 

5

20

 

9

Glu19Ala

Exon 2

Gla

Missense

Hom

Italy

<1

17

Expressed

10

Glu25Lys

(Frankfurt I)

Exon 2

Gla

Missense

Het

 

56

55

Expressed

11

Glu32Gln

(Tokyo)

Exon 2

Gla

Missense

Hom

Japan

3

61

 

12

IVS2-3 T>G

Intron 2

 

Splicing

Hom

Iran

2

3

 

6

Asn57Thr

(Wenatchee II)

Arg139Cys

(Wenatchee I)

Exon 4

 

Exon 6

EGF 1

 

EGF 2

Missense

 

Missense

Comp het

 

10-20

30-35

 

13

Gly78Asp

Exon 4

EGF 1

Missense

Hom

Iran

<1

8

 

6

Cys81Tyr*

Exon 4

EGF 1

Missense

Hom

Iran

<1

 

 

6

IVS4-8del CTT

Intron 4

 

Splicing

Hom

Japan

2.5

<5

 

14

Gly94Arg

Asp95Glu

Exon 5

Exon 5

EGF 2

EGF 2

Missense

Missense

Comp het

Iran-Turkey

<1-2

3-4

 

6

Cys109Tyr

Exon 5

EGF 2

Missense

Hom

 

<1

?

 

5

Gly114Arg

(Kanazawa)

Exon 5

EGF 2

Missense

Het

Japan

45

50

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