Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, D (A, D) | Complement C4-A | polymer | 656 | 71761.7 | 2 | UniProt (P0C0L4) Pfam (PF21145) Pfam (PF01835) Pfam (PF17791) Pfam (PF17789) Pfam (PF07703) | Homo sapiens (Human) | Acidic complement C4,C3 and PZP-like alpha-2-macroglobulin domain-containing protein 2 |
| 2 | B, E (B, E) | Complement C4-A | polymer | 767 | 84430.2 | 2 | UniProt (P0C0L4) Pfam (PF01821) Pfam (PF00207) Pfam (PF07678) Pfam (PF22661) | Homo sapiens (Human) | Acidic complement C4,C3 and PZP-like alpha-2-macroglobulin domain-containing protein 2 |
| 3 | C, F (C, F) | Complement C4-A | polymer | 291 | 33115.6 | 2 | UniProt (P0C0L4) Pfam (PF07677) Pfam (PF01759) | Homo sapiens (Human) | Acidic complement C4,C3 and PZP-like alpha-2-macroglobulin domain-containing protein 2 |
| 4 | G, I (G, I) | Mannan-binding lectin serine protease 2 | polymer | 154 | 16773.0 | 2 | UniProt (O00187) Pfam (PF00084) | Homo sapiens (Human) | MBL-associated serine protease 2,Mannose-binding protein-associated serine protease 2,MASP-2 |
| 5 | H, J (H, J) | Mannan-binding lectin serine protease 2 | polymer | 242 | 26527.0 | 2 | UniProt (O00187) Pfam (PF00089) | Homo sapiens (Human) | MBL-associated serine protease 2,Mannose-binding protein-associated serine protease 2,MASP-2 |
| 6 | K, L, M, N, O... (K, L, M, N, O...) | beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | branched | 586.5 | 6 | In PDB GlyTouCan (G15407YE) |
Sequence modifications
B, E: 680 - 1446 (UniProt: P0C0L4)
G, I: 291 - 444 (UniProt: O00187)
H, J: 445 - 686 (UniProt: O00187)
| PDB | External Database | Details |
|---|---|---|
| Ser 1201 | Thr 1201 | variant |
| PDB | External Database | Details |
|---|---|---|
| His 298 | Gln 298 | engineered mutation |
| Ala 299 | Pro 299 | engineered mutation |
| PDB | External Database | Details |
|---|---|---|
| Ala 633 | Ser 633 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 10 |
| Total formula weight | 465214.9 | |
| Branched | Number of molecules | 6 |
| Total formula weight | 3519.3 | |
| All* | Total formula weight | 468734.2 |






