2QSQ
Crystal structure of the N-terminal domain of carcinoembryonic antigen (CEA)
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) | Carcinoembryonic antigen-related cell adhesion molecule 5 | polymer | 111 | 12431.0 | 2 | UniProt (P06731) Pfam (PF07686) | Homo sapiens (human) | Carcinoembryonic antigen, CEA, Meconium antigen 100, CD66e antigen |
2 | C, H (A, B) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
3 | D, E, F, G (A, B) | GLYCEROL | non-polymer | 92.1 | 4 | Chemie (GOL) | |||
4 | I, J (A, B) | water | water | 18.0 | 193 | Chemie (HOH) |
Sequence modifications
A, B: 0 - 110 (UniProt: P06731)
PDB | External Database | Details |
---|---|---|
Ala 83 | Thr 117 | SEE REMARK 999 |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 24862.0 | |
Non-Polymers* | Number of molecules | 6 |
Total formula weight | 439.3 | |
All* | Total formula weight | 25301.3 |