Structure of human SIgA1 in complex with human CD89 (FcaR1)
Resolution: 3.2 Å
EM Method: Single-particle
Fitted PDBs: 8sku
Q-score: 0.4
Nat Commun (2023) 14 pp. 6726-6726 [ Pubmed: 37872175 DOI: doi:10.1038/s41467-023-42469-y ]
- Immunoglobulin j chain (15 kDa, Protein from Homo sapiens)
- Human siga1 in complex with human cd89 (fcar1) (Complex from Homo sapiens)
- Immunoglobulin alpha fc receptor (23 kDa, Protein from Homo sapiens)
- Immunoglobulin heavy constant alpha 1 (37 kDa, Protein from Homo sapiens)
- Secretory component (61 kDa, Protein from Homo sapiens)
- 2-acetamido-2-deoxy-beta-d-glucopyranose (221 Da, Ligand)
Structure of human SIgA1 in complex with Streptococcus pyogenes protein M4 (Arp4)
Resolution: 3.1 Å
EM Method: Single-particle
Fitted PDBs: 8skv
Q-score: 0.475
Nat Commun (2023) 14 pp. 6726-6726 [ Pubmed: 37872175 DOI: doi:10.1038/s41467-023-42469-y ]
- Immunoglobulin j chain (15 kDa, Protein from Homo sapiens)
- Iga receptor (37 kDa, Protein from Streptococcus pyogenes serotype M4)
- Human secretory immunoglobulin a1 (Complex from Homo sapiens)
- Immunoglobulin heavy constant alpha 1 (37 kDa, Protein from Homo sapiens)
- Secretory component (61 kDa, Protein from Homo sapiens)
- 2-acetamido-2-deoxy-beta-d-glucopyranose (221 Da, Ligand)
- Complex of human secretory immunoglobulin a with group a streptococcus protein m4 (arp4) (Complex)
- M4 (arp4) from streptococcus pyogenes (Complex from Streptococcus pyogenes)
Streptococcus Pneumoniae IgA1 Protease with IgA1 substrate
Resolution: 4.0 Å
EM Method: Single-particle
Fitted PDBs: 6xja
Q-score: 0.243
Wang Z, Rahkola J, Redzic JS, Chi YC, Tran N, Holyoak T, Zheng H, Janoff E, Eisenmesser E
Nat Commun (2020) 11 pp. 6063-6063 [ Pubmed: 33247098 DOI: doi:10.1038/s41467-020-19887-3 ]
- Immunoglobulin alpha-1 light chain (21 kDa, Protein from Homo sapiens)
- Immunoglobulin alpha-1 heavy chain (21 kDa, Protein from Homo sapiens)
- Immunoglobulin a1 protease (Complex from Streptococcus pneumoniae (strain ATCC BAA-255 / R6))
- Immunoglobulin a1 protease (145 kDa, Protein from Streptococcus pneumoniae (strain ATCC BAA-255 / R6))
- Iga1 protease and iga1 substrate (300 kDa, Complex)
- Immunoglobulin heavy constant alpha 1, immunoglobulin alpha-1 light chain, immunoglobulin alpha-1 heavy chain (Complex from Homo sapiens)
- Immunoglobulin heavy constant alpha 1 (22 kDa, Protein from Homo sapiens)
Cryo-EM structure of human secretory immunoglobulin A
Resolution: 3.15 Å
EM Method: Single-particle
Fitted PDBs: 6lx3
Q-score: 0.545
Wang Y, Wang G, Li Y, Zhu Q, Shen H, Gao N, Xiao J
Cell Res (2020) 30 pp. 602-609 [ DOI: doi:10.1038/s41422-020-0336-3 Pubmed: 32398862 ]
- Polymeric immunoglobulin receptor (63 kDa, Protein from Homo sapiens)
- Immunoglobulin j chain (19 kDa, Protein from Homo sapiens)
- Ternary complex of iga-fc with the j chain and pigr/sc (Complex from Homo sapiens)
- Interleukin-2,immunoglobulin heavy constant alpha 1 (31 kDa, Protein from Homo sapiens)
Cryo-EM structure of human secretory immunoglobulin A in complex with the N-terminal domain of SpsA
Resolution: 3.27 Å
EM Method: Single-particle
Fitted PDBs: 6lxw
Q-score: 0.513
Wang Y, Wang G, Li Y, Zhu Q, Shen H, Gao N, Xiao J
Cell Res (2020) 30 pp. 602-609 [ DOI: doi:10.1038/s41422-020-0336-3 Pubmed: 32398862 ]
- Immunoglobulin j chain (19 kDa, Protein from Homo sapiens)
- Siga binding protein (36 kDa, Protein from Streptococcus pneumoniae)
- Interleukin-2,immunoglobulin heavy constant alpha 1 (31 kDa, Protein from Homo sapiens)
- Polymeric immunoglobulin receptor (63 kDa, Protein from Homo sapiens)
- Quadruple complex of human secretory immunoglobulin a with the n-terminal domain of spsa (Complex from Homo sapiens)
Structure of dimeric sIgA complex
Resolution: 2.9 Å
EM Method: Single-particle
Fitted PDBs: 6ue7
Q-score: 0.463
Kumar N, Arthur CP, Ciferri C, Matsumoto ML
Science (2020) 367 pp. 1008-1014 [ DOI: doi:10.1126/science.aaz5807 Pubmed: 32029686 ]
- Immunoglobulin j chain (15 kDa, Protein from Homo sapiens)
- Dimeric siga complex (188 kDa, Complex from Homo sapiens)
- Polymeric immunoglobulin receptor (65 kDa, Protein from Homo sapiens)
- Immunoglobulin heavy constant alpha 1 (26 kDa, Protein from Homo sapiens)
- 2-acetamido-2-deoxy-beta-d-glucopyranose (221 Da, Ligand)