2RGI
Crystal structure of Ca2+-free S100A2 at 1.6 A resolution
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) | Protein S100-A2 | polymer | 98 | 11064.5 | 2 | UniProt (P29034) Pfam (PF01023) | Homo sapiens (human) | S100 calcium-binding protein A2; Protein S-100L; CAN19 |
| 2 | C, D, F (A, B) | SODIUM ION | non-polymer | 23.0 | 3 | Chemie (NA) | |||
| 3 | E (A) | ISOPROPYL ALCOHOL | non-polymer | 60.1 | 1 | Chemie (IPA) | |||
| 4 | G, H (A, B) | water | water | 18.0 | 171 | Chemie (HOH) |
Sequence modifications
A, B: 0 - 97 (UniProt: P29034)
| PDB | External Database | Details |
|---|---|---|
| Ser 2 | Cys 3 | engineered mutation |
| Ser 21 | Cys 22 | engineered mutation |
| Ser 86 | Cys 87 | engineered mutation |
| Ser 93 | Cys 94 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 22129.0 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 129.1 | |
| All* | Total formula weight | 22258.0 |
