3IGD
Crystal structure of Mtu recA intein, splicing domain
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Endonuclease PI-MtuI | polymer | 139 | 15439.6 | 1 | UniProt (P0A5U4) Pfam (PF14890) UniProt (by SIFTS) (P9WHJ3) | Mycobacterium tuberculosis | Protein recA, Recombinase A, Mtu recA intein |
| 2 | B (A) | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | Protein recA, Recombinase A, Mtu recA intein | ||
| 3 | C (A) | water | water | 18.0 | 32 | Chemie (HOH) |
Sequence modifications
A: 1 - 102 (UniProt: P0A5U4)
A: 404 - 440 (UniProt: P0A5U4)
| PDB | External Database | Details |
|---|---|---|
| Tyr 24 | Asp 275 | engineered mutation |
| Val 95 | Gln 346 | engineered mutation |
| Arg 96 | Pro 347 | engineered mutation |
| Asp 97 | Arg 348 | engineered mutation |
| Val 98 | Arg 349 | engineered mutation |
| Glu 99 | Phe 350 | engineered mutation |
| Thr 100 | Asp 351 | engineered mutation |
| Glu 102 | Phe 353 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 15439.6 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 65.4 | |
| All* | Total formula weight | 15505.0 |
