6CY6
Crystal structure of spermidine/spermine N-acetyltransferase SpeG from Escherichia coli in complex with tris(hydroxymethyl)aminomethane.
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | Spermidine N(1)-acetyltransferase | polymer | 186 | 21920.0 | 1 | UniProt (P0A951) Pfam (PF00583) In PDB | Escherichia coli (strain K12) | SAT,Spermidine/spermine N(1)-acetyltransferase,SSAT |
| 2 | A | CHLORIDE ION | non-polymer | 35.5 | 8 | Chemie (CL) | |||
| 3 | A | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 4 | A | 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 122.1 | 1 | Chemie (TRS) | |||
| 5 | A | (4R)-2-METHYLPENTANE-2,4-DIOL | non-polymer | 118.2 | 2 | Chemie (MRD) | |||
| 6 | A | (4S)-2-METHYL-2,4-PENTANEDIOL | non-polymer | 118.2 | 4 | Chemie (MPD) | |||
| 7 | water | water | 18.0 | 105 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 21920.0 | |
| Non-Polymers* | Number of molecules | 16 |
| Total formula weight | 1137.8 | |
| All* | Total formula weight | 23057.8 |
