2NST
Crystal structure of pectin methylesterase D178A mutant in complex with hexasaccharide II
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Pectinesterase A | polymer | 342 | 36949.8 | 2 | UniProt (P0C1A9) Pfam (PF01095) | Erwinia chrysanthemi | Pectin methylesterase A, PE A |
| 2 | C, D (C, D) | alpha-D-galactopyranuronic acid-(1-4)-alpha-D-galactopyranuronic acid-(1-4)-methyl alpha-D-galactopyranuronate-(1-4)-methyl alpha-D-galactopyranuronate-(1-4)-methyl alpha-D-galactopyranuronate-(1-4)-alpha-D-galactopyranuronic acid | branched | 1116.8 | 2 | In PDB GlyTouCan (G41087WO) | |||
| 3 | E, F (A, B) | water | water | 18.0 | 849 | Chemie (HOH) |
Sequence modifications
A, B: 25 - 366 (UniProt: P0C1A9)
| PDB | External Database | Details |
|---|---|---|
| Ala 178 | Asp 178 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 73899.6 | |
| Branched | Number of molecules | 2 |
| Total formula weight | 2233.7 | |
| All* | Total formula weight | 76133.2 |
