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Table 3 Summary of the main characteristics of the mutations found

From: Distribution of alpha1 antitrypsin rare alleles in six countries: Results from the Progenika diagnostic network

Allele name

Base

Nucleotide change

Amino acid change

SNP code

ClinVar code

AAT level (%)

AAT activity

Lung risk

Liver risk

References

F

 

c.739C > T

p.Arg247Cys

rs28929470

17,961

80

Reduced

Low

Low

[22]

I

 

c.187C > T

p.Arg63Cys

rs28931570

17,974

50

Reduced

Low

Low

[22]

Mprocida

 

c.194 T > C

p.Leu65Pro

rs28931569

17,971

10

Slightly reduced

High

Low

[40]

Mheerlen

 

c.1178C > T

p.Pro393Leu

rs199422209

17,965

2

Reduced

High

Low

[38]

Mwurzburg

M1V

c.1177C > T

p.Pro393Ser

rs61761869

289,135

10–15

Reduced

High

Low

[36]

Mvall d’hebron

M1A

High

Low

[37]

Mpalermo

M1V

c.227_229delTCT

p.Phe76del

rs775982338

315,028

15

Reduced

High

High

[33]

Mmalton

M2

15

Reduced

High

High

[31]

Mnichinan

 

c.227_229delTCT

p.Phe76del

rs775982338

315,028

15

Reduced

High

High

[32]

 

c.514G > A

p.Gly172Arg

rs112030253

393,473

Plowell

M1V

c.839A > T

p.Asp280Val

rs121912714

17,975

40

Reduced

High

High

[42]

Pduarte Q0cardiff

M4

40

Reduced

High

Low

[43]

Q0bellingham

 

c.721A > T

p.Lys241*

rs199422211

17,977

Undetectable

High

Low

[52]

Q0granitefalls

 

c.552delC

p.Tyr184*

rs267606950

17,976

Undetectable

High

Low

[53]

Q0madrid

M3

c.-5 + 2dupT

NA

Not Reported

Not Reported

Undetectable

High

Low

[54]

Q0faro

M1V

Undetectable

High

Low

 

Q0mattawa

M1

c.1130dupT

p.Leu377Phefs*24

rs763023697

552,891

Undetectable

High

Low

[55]

Q0ouren

M3

Undetectable

High

Low

[56]

Q0west

 

c.646 + 1G > T

NA

rs751235320

189,064

Undetectable

High

Low

[57]

Q0clayton Q0saarbruecken

 

c.1158dupC

p.Glu387Argfs*14

rs764325655

188,845

Undetectable

High

Low

[58]

[33]

Siiyama

 

c.230C > T

p.Ser77Phe

rs55819880

17,992

30

Slightly reduced

High

High

[59]

Ybarcelona

 

c.839A > T

p.Asp280Val

rs121912714

17,975

10

Reduced

High

High

[21]

c.1244C > A

p.Pro415His

Not Reported

Not Reported

 

Yorzinuovi

 

c.1244C > A

p.Pro415His

Not Reported

Not Reported

10

Reduced

High

High

[46]

Zbristol

M1V

c.326C > T

p.Thr85Met

rs199422213

17,993

15

Reduced

High

High

[48]

Zwrexham

 

c.17C > T

p.Ser6Leu

rs140814100

17,970

15

Reduced

High

High

[51]

  1. RefSeq: NM_001127701.1
  2. The Mnichinan variant has been described as a haplotype that combines the Mmalton and c.514G > A variants (a variant that does not seem to have a deleterious effect on its own)
  3. Ybarcelona results from the combination of Plowell and Yorzinuovi
  4. NA not applicable