4Y2N
Structure of CFA/I pili major subunit CfaB trimer
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | B, A, C | CFA/I fimbrial subunit B | polymer | 153 | 15944.9 | 3 | UniProt (E3PPC4) Pfam (PF04449) In PDB | Escherichia coli O78:H11 (strain H10407 / ETEC) | CFA/I antigen,CFA/I pilin,Colonization factor antigen I subunit B |
| 2 | B | MAGNESIUM ION | non-polymer | 24.3 | 3 | Chemie (MG) | |||
| 3 | B | 1,2-ETHANEDIOL | non-polymer | 62.1 | 1 | Chemie (EDO) | |||
| 4 | water | water | 18.0 | 160 | Chemie (HOH) |
Sequence modifications
B, A, C: 2 - 147 (UniProt: E3PPC4)
| PDB | External Database | Details |
|---|---|---|
| Met -5 | - | initiating methionine |
| His -4 | - | expression tag |
| His -3 | - | expression tag |
| His -2 | - | expression tag |
| His -1 | - | expression tag |
| His 0 | - | expression tag |
| His 1 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 47834.7 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 135.0 | |
| All* | Total formula weight | 47969.7 |
