7KQ9
The aminoacrylate form of the beta-Q114A mutant Tryptophan Synthase at 1.50 Angstrom resolution with cesium ion at the metal coordination site
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A (A) | Tryptophan synthase alpha chain | polymer | 268 | 28698.8 | 1 | UniProt (P00929) Pfam (PF00290) | Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720) | |
2 | B (B) | Tryptophan synthase beta chain | polymer | 397 | 42861.8 | 1 | UniProt (P0A2K1) Pfam (PF00291) | Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720) | |
3 | C, D, N, O, P (A, B) | CHLORIDE ION | non-polymer | 35.5 | 5 | Chemie (CL) | |||
4 | E, Q, R (A, B) | CESIUM ION | non-polymer | 132.9 | 3 | Chemie (CS) | |||
5 | F, G, H, S (A, B) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 4 | Chemie (EDO) | |||
6 | I, T (A, B) | DI(HYDROXYETHYL)ETHER | non-polymer | 106.1 | 2 | Chemie (PEG) | |||
7 | J, U, V, W, X... (A, B) | DIMETHYL SULFOXIDE | non-polymer | 78.1 | 7 | Chemie (DMS) | |||
8 | K (B) | 2-{[(E)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene]amino}prop-2-enoic acid | non-polymer | 316.2 | 1 | Chemie (0JO) | |||
9 | L (B) | SERINE | non-polymer | 105.1 | 1 | Chemie (SER) | |||
10 | M (B) | BROMIDE ION | non-polymer | 79.9 | 1 | Chemie (BR) | |||
11 | AA, BA (A, B) | water | water | 18.0 | 591 | Chemie (HOH) |
Sequence modifications
B: 1 - 397 (UniProt: P0A2K1)
PDB | External Database | Details |
---|---|---|
Ala 114 | Gln 114 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 71560.6 | |
Non-Polymers* | Number of molecules | 24 |
Total formula weight | 2084.6 | |
All* | Total formula weight | 73645.2 |