Table 3.

Amino acid residues at location 11, 13, 71, and 74 for HLA-DRB1 known to increase risk of RA5.

Residues (11/13/71/74)OR (95% CI)CF Controls, n = 216CF AD, n = 415DRB1 Allele
HLA-DRB1
VHKA0.90 (0.57–1.43)0.08 (0.05–0.10)0.07 (0.05–0.09)-04:01
VHRA1.59 (0.93–2.68)0.04 (0.03–0.07)0.07 (0.05–0.09)-04:10, -04:08, -04:05, -04:04, -04:06, -04:11, -04:15, -10:01
LFRA0.78 (0.53–1.14)0.11 (0.08–0.15)0.09 (0.07–0.11)-01:01, -01:02
PRRA0.85 (0.39–1.80)0.02 (0.01–0.04)0.02 (0.01–0.03)-16:02
VHRE1.44 (0.45–4.59)0.01 (0.00–0.02)0.01 (0.01–0.02)-04:03, -04:07, -04:92
NFRE2.30 (0.65–8.14)0.01 (0.00–0.02)0.02 (0.01–0.03)-09:01
VHEA0.43 (0.13–1.42)0.01 (0.00–0.03)0.01 (0.00–0.01)-04:02
SSKA0.86 (0.31–2.41)0.01 (0.00–0.03)0.01 (0.00–0.02)-13:03
PRAA1.10 (0.79–1.52)0.14 (0.10–0.17)0.15 (0.12–0.17)-15:01, -15:02, -15:03
GYRQ1.17 (0.80–1.70)0.11 (0.08–0.14)0.12 (0.10–0.14)-07:01
SSRA1.10 (0.80–1.59)0.13 (0.10–0.16)0.13 (0.11–0.15)-11:01, -11:04, -12:01, -12:02
SSRE0.73 (0.36–1.48)0.03 (0.02–0.05)0.02 (0.01–0.04)-14:01, -14:54, -14:04
SGRL0.83 (0.27–2.57)0.01 (0.00–0.03)0.01 (0.00–0.02)-01:03
SSKR0.82 (0.57–1.19)0.12 (0.09–0.16)0.10 (0.08–0.13)-03:01, -03:02
SSEA1.03 (0.71–1.50)0.11 (0.08–0.14)0.11 (0.09–0.14)-13:05, -11:02, -11:03, -13:01, -13:02, -11:11, -13:15
HLA -B
D1.08 (0.74–1.57)0.10 (0.07–0.13)0.11 (0.09–0.13)-08:01
HLA-DPB
F1.09 (0.90–1.32)0.46 (0.41–0.51)0.49 (0.46–0.52)-04:02, -16:01, -02:01, -34:01, -40:01, -106:01, -23:01, -51:01, -584:01, -19:01, -416:01, -105:01, -02:02, -05:01, -04:01
  • OR reported for AD risk as compared to controls. Residue CF reported with 95% CI. HLA-DRB1 alleles that contribute to the residue are also listed. Additional risk variants are reported for position 9 for HLA-B and position 9 HLA-DPB1. Amino acids are reported as accepted one letter code. No P < 0.05. Amino acids in boldface: V (valine); L (leucine); S (serine). AD: atopic dermatitis; CF: composite frequency; RA: rheumatoid arthritis.