4O1R
Crystal structure of NpuDnaB intein
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A | Replicative DNA helicase | polymer | 142 | 15491.6 | 1 | UniProt (B2IVH9) Pfam (PF14890) In PDB | Nostoc punctiforme | |
2 | A | SODIUM ION | non-polymer | 23.0 | 3 | Chemie (NA) | |||
3 | A | CHLORIDE ION | non-polymer | 35.5 | 4 | Chemie (CL) | |||
4 | A | GLYCEROL | non-polymer | 92.1 | 2 | Chemie (GOL) | |||
5 | water | water | 18.0 | 278 | Chemie (HOH) |
Sequence modifications
A: 0 - 98 (UniProt: B2IVH9)
A: 101 - 139 (UniProt: B2IVH9)
PDB | External Database | Details |
---|---|---|
Ser -2 | - | expression tag |
Gly -1 | - | expression tag |
Ala 1 | Cys 389 | conflict |
Ala 94 | Cys 482 | conflict |
PDB | External Database | Details |
---|---|---|
Ser 99 | - | expression tag |
Gly 100 | - | expression tag |
Ile 103 | Val 781 | conflict |
Thr 112 | Glu 790 | conflict |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 1 |
Total formula weight | 15491.6 | |
Non-Polymers* | Number of molecules | 9 |
Total formula weight | 395.0 | |
All* | Total formula weight | 15886.6 |