4YRV
Crystal structure of Anabaena transcription factor HetR complexed with 21-bp DNA from hetP promoter
Replaces: 4K1MEntity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | B, A | Heterocyst differentiation control protein | polymer | 307 | 36034.4 | 2 | UniProt (P27709) Pfam (PF03574) Pfam (PF18460) In PDB | Nostoc sp. PCC 7120 | HETR |
2 | C | DNA (5'-D(P*GP*CP*GP*AP*GP*GP*GP*GP*TP*CP*TP*AP*AP*CP*CP*CP*CP*TP*CP*AP*T)-3') | polymer | 21 | 6424.1 | 1 | Nostoc sp. PCC 7120 | ||
3 | D | DNA (5'-D(P*AP*TP*GP*AP*GP*GP*GP*GP*TP*TP*AP*GP*AP*CP*CP*CP*CP*TP*CP*GP*C)-3') | polymer | 21 | 6464.2 | 1 | Nostoc sp. PCC 7120 | ||
4 | B, C, D | CALCIUM ION | non-polymer | 40.1 | 4 | Chemie (CA) | |||
5 | water | water | 18.0 | 31 | Chemie (HOH) |
Sequence modifications
B, A: 1 - 299 (UniProt: P27709)
PDB | External Database | Details |
---|---|---|
Met -7 | - | expression tag |
Gly -6 | - | expression tag |
His -5 | - | expression tag |
His -4 | - | expression tag |
His -3 | - | expression tag |
His -2 | - | expression tag |
His -1 | - | expression tag |
His 0 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 4 |
Total formula weight | 84957.2 | |
Non-Polymers* | Number of molecules | 4 |
Total formula weight | 160.3 | |
All* | Total formula weight | 85117.5 |