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Table 2 Regulation potentials of risk alleles of MMP9 gene SNP

From: Associations of MMP9 polymorphism with the risk of severe pneumonia in a Southern Chinese children population

RS_Number

Position

Alleles

MAF

Distance

Dprime

R2

Correlated_Alleles

FORGEdba

RegulomeDBb

Function

rs3918262

chr20:44643770

(A/G)

0.370

4989

1.000

0.332

A = A, G = G

8

2b

NA

rs17577

chr20:44643111

(G/A)

0.168

4330

0.166

0.010

NA

10

2b

missense

rs3918251

chr20:44638781

(A/G)

0.361

0

1.000

1.000

A = A, G = G

8

4

NA

rs2250889

chr20:44642406

(G/C)

0.250

3625

1.000

0.591

G = A, C = G

8

4

missense

rs3918254

chr20:44640391

(C/T)

0.188

1610

0.929

0.112

C = A, T = G

9

4

NA

rs9509

chr20:44645153

(T/C)

0.221

6372

0.478

0.037

NA

8

6

NA

  1. 5 SNPs with high regulatory potentials were selected by securing FORGEdb and RegulomeDB. SNPs selected for subsequent analyses were marked in bold
  2. Abbreviations: MAF Minor Allele Frequency, MAF was presented as (MAF in cases)/(MAF in controls), Dprime SNP haplotype frequency, R2 SNP correlation, Correlated alleles refer to alleles that are correlated if linkage disequilibrium is present (R2 > 0.1). rs3918251 was used as reference SNP
  3. aFORGEdb scores indicated the regulatory potentials for SNPs (https://forge2.altiusinstitute.org/files/forgedb.html). FORGEdb scores of from 0 to 10 and higher scores indicate greater likelihood that the SNP is a regulatory variant
  4. bRegulomeDB scores indicated the regulatory potentials for SNPs (https://regulomedb.org/regulome-search). RegulomeDB scores of 1–6 indicate most to least likely to affect binding and expression of target gene. A score 2b denotes that the SNP was within a potential regulatory region supported by TF binding, binding motif, DNase Foorprint, and DNase peak data