4Y2O
Structure of CFA/I pili chaperone-major subunit complex (CfaA-CfaB)
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A | CfA/I fimbrial subunit A (Colonization factor antigen subunit A putative chaperone) | polymer | 231 | 26493.5 | 1 | UniProt (E3PPC3) In PDB | Escherichia coli O78:H11 (strain H10407 / ETEC) | |
2 | B | CFA/I fimbrial subunit B | polymer | 142 | 14715.6 | 1 | 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 |
3 | A | TRIETHYLENE GLYCOL | non-polymer | 150.2 | 2 | Chemie (PGE) | |||
4 | B | NICKEL (II) ION | non-polymer | 58.7 | 2 | Chemie (NI) | |||
5 | water | water | 18.0 | 139 | Chemie (HOH) |
Sequence modifications
A: 0 - 219 (UniProt: E3PPC3)
B: 1 - 134 (UniProt: E3PPC4)
PDB | External Database | Details |
---|---|---|
Met -1 | - | initiating methionine |
Ile 112 | Thr 131 | engineered mutation |
Ala 220 | - | expression tag |
Ala 221 | - | expression tag |
Trp 222 | - | expression tag |
Ser 223 | - | expression tag |
His 224 | - | expression tag |
Pro 225 | - | expression tag |
Gln 226 | - | expression tag |
Phe 227 | - | expression tag |
Glu 228 | - | expression tag |
Lys 229 | - | expression tag |
PDB | External Database | Details |
---|---|---|
Met -7 | - | initiating methionine |
Val -6 | - | expression tag |
His -5 | - | expression tag |
His -4 | - | expression tag |
His -3 | - | expression tag |
His -2 | - | expression tag |
His -1 | - | expression tag |
His 0 | - | expression tag |
Ala 40 | Asp 76 | conflict |
Asp 41 | Ala 77 | conflict |
Ala 42 | Thr 78 | conflict |
Ala 55 | Leu 91 | conflict |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 41209.0 | |
Non-Polymers* | Number of molecules | 4 |
Total formula weight | 417.7 | |
All* | Total formula weight | 41626.8 |