4KL5
Crystal structure of NpuDnaE intein
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B | DNA polymerase III, alpha subunit, Nucleic acid binding, OB-fold, tRNA/helicase-type chimeric construct | polymer | 144 | 16377.4 | 2 | UniProt (B2J066) UniProt (B2J821) In PDB | Nostoc punctiforme | |
2 | A | CITRIC ACID | non-polymer | 192.1 | 2 | Chemie (CIT) | |||
3 | B | GLYCEROL | non-polymer | 92.1 | 1 | Chemie (GOL) | |||
4 | water | water | 18.0 | 221 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 102 (UniProt: B2J066)
A, B: 103 - 141 (UniProt: B2J821)
PDB | External Database | Details |
---|---|---|
Ser -2 | - | expression tag |
Gly -1 | - | expression tag |
Gly 0 | - | expression tag |
Ala 1 | Cys 775 | engineered mutation |
PDB | External Database | Details |
---|---|---|
Ala 138 | Cys 37 | engineered mutation |
Asp 139 | Phe 38 | engineered mutation |
Gly 141 | Lys 40 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 32754.8 | |
Non-Polymers* | Number of molecules | 3 |
Total formula weight | 476.3 | |
All* | Total formula weight | 33231.1 |