4S26
Crystal structure of Arabidopsis thaliana ThiC with bound imidazole ribonucleotide, S-adenosylhomocysteine, Fe4S4 cluster and Zn (monoclinic crystal form)
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) | Phosphomethylpyrimidine synthase, chloroplastic | polymer | 576 | 64670.1 | 2 | UniProt (O82392) Pfam (PF01964) | Arabidopsis thaliana (mouse-ear cress thale-cress) | Hydroxymethylpyrimidine phosphate synthase, HMP-P synthase, HMP-phosphate synthase, HMPP synthase, Protein PYRIMIDINE REQUIRING, Thiamine biosynthesis protein ThiC, Protein THIAMINE C |
| 2 | C, I (A, B) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 2 | Chemie (SF4) | |||
| 3 | D, J (A, B) | 1-(5-O-phosphono-beta-D-ribofuranosyl)-1H-imidazole | non-polymer | 280.2 | 2 | Chemie (IRN) | |||
| 4 | E, K (A, B) | S-ADENOSYL-L-HOMOCYSTEINE | non-polymer | 384.4 | 2 | Chemie (SAH) | |||
| 5 | F, L (A, B) | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
| 6 | G, H (A, B) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
| 7 | M, N (A, B) | water | water | 18.0 | 544 | Chemie (HOH) |
Sequence modifications
A, B: 72 - 644 (UniProt: O82392)
| PDB | External Database | Details |
|---|---|---|
| Gly 69 | - | expression tag |
| His 70 | - | expression tag |
| Met 71 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 129340.2 | |
| Non-Polymers* | Number of molecules | 10 |
| Total formula weight | 2234.2 | |
| All* | Total formula weight | 131574.4 |
