4NQR
The crystal structure of a solute-binding protein (N280D mutant) from Anabaena variabilis ATCC 29413 in complex with alanine
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Amino acid/amide ABC transporter substrate-binding protein, HAAT family | polymer | 395 | 42364.4 | 2 | UniProt (Q3MFZ5) Pfam (PF13458) | Anabaena variabilis | |
| 2 | C, J (A, B) | ALANINE | non-polymer | 89.1 | 2 | Chemie (ALA) | |||
| 3 | D, K (A, B) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 4 | E, F, G, H (A) | FORMIC ACID | non-polymer | 46.0 | 4 | Chemie (FMT) | |||
| 5 | I (A) | DI(HYDROXYETHYL)ETHER | non-polymer | 106.1 | 1 | Chemie (PEG) | |||
| 6 | L, M (A, B) | water | water | 18.0 | 1106 | Chemie (HOH) |
Sequence modifications
A, B: 25 - 416 (UniProt: Q3MFZ5)
| PDB | External Database | Details |
|---|---|---|
| Ser 22 | - | expression tag |
| Asn 23 | - | expression tag |
| Ala 24 | - | expression tag |
| Asp 280 | Asn 280 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 84728.7 | |
| Non-Polymers* | Number of molecules | 9 |
| Total formula weight | 517.0 | |
| All* | Total formula weight | 85245.8 |
