8Y5G
Cryo-EM structure of E.coli spermidine transporter PotABC with spermidine
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Spermidine/putrescine import ATP-binding protein PotA | polymer | 360 | 41022.8 | 1 | UniProt (A0A2K3TLI6) Pfam (PF00005) Pfam (PF08402) UniProt (by SIFTS) (P69874) | Escherichia coli | |
| 2 | B (B) | Spermidine/putrescine ABC transporter permease PotB | polymer | 273 | 30813.5 | 1 | UniProt (A0A3L9I213) Pfam (PF00528) UniProt (by SIFTS) (P0AFK4) | Escherichia coli | |
| 3 | C (C) | Spermidine/putrescine transport system permease protein PotC | polymer | 249 | 27527.0 | 1 | UniProt (C3TDI7) Pfam (PF00528) UniProt (by SIFTS) (P0AFK6) | Escherichia coli | |
| 4 | D (D) | Spermidine/putrescine import ATP-binding protein PotA | polymer | 358 | 40820.6 | 1 | UniProt (A0A2K3TLI6) Pfam (PF00005) Pfam (PF08402) UniProt (by SIFTS) (P69874) | Escherichia coli | |
| 5 | E, F, H, I (A, D) | MAGNESIUM ION | non-polymer | 24.3 | 4 | Chemie (MG) | |||
| 6 | G (B) | SPERMIDINE | non-polymer | 145.2 | 1 | Chemie (SPD) |
Sequence modifications
A: 15 - 374 (UniProt: A0A2K3TLI6)
D: 16 - 373 (UniProt: A0A2K3TLI6)
| PDB | External Database | Details |
|---|---|---|
| His 83 | Leu 83 | conflict |
| Gln 173 | Glu 173 | engineered mutation |
| Ala 283 | Gly 283 | conflict |
| PDB | External Database | Details |
|---|---|---|
| His 83 | Leu 83 | conflict |
| Gln 173 | Glu 173 | engineered mutation |
| Ala 283 | Gly 283 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 140183.8 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 242.5 | |
| All* | Total formula weight | 140426.3 |
