2EX5
Group I Intron-encoded Homing Endonuclease I-CeuI Complexed With DNA
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A (X) | I-CeuI DNA target site | polymer | 26 | 8046.2 | 1 | synthetic construct | ||
2 | B (Y) | I-CeuI DNA target site, complementary strand | polymer | 26 | 7930.1 | 1 | synthetic construct | ||
3 | C, D (A, B) | DNA endonuclease I-CeuI | polymer | 207 | 23641.2 | 2 | UniProt (P32761) Pfam (PF00961) | Chlamydomonas eugametos | 23S rRNA intron 1 protein |
4 | E, F, G (X, A, B) | CALCIUM ION | non-polymer | 40.1 | 3 | Chemie (CA) | |||
5 | H, I, J, K (X, Y, A, B) | water | water | 18.0 | 263 | Chemie (HOH) |
Sequence modifications
A, B: 5 - 211 (UniProt: P32761)
PDB | External Database | Details |
---|---|---|
Arg 93 | Gln 93 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 4 |
Total formula weight | 63258.7 | |
Non-Polymers* | Number of molecules | 3 |
Total formula weight | 120.2 | |
All* | Total formula weight | 63378.9 |