1GKA
The molecular basis of the coloration mechanism in lobster shell. beta-crustacyanin at 3.2 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 (A) | CRUSTACYANIN A1 SUBUNIT | polymer | 180 | 20558.0 | 1 | Pfam (PF00061) UniProt (by SIFTS) (P58989) | HOMARUS GAMMARUS (EUROPEAN LOBSTER) | BETA CRUSTACYANIN SUBUNIT |
| 2 | B (B) | CRUSTACYANIN A2 SUBUNIT | polymer | 174 | 19688.8 | 1 | UniProt (P80007) Pfam (PF00061) | HOMARUS GAMMARUS (EUROPEAN LOBSTER) | |
| 3 | C, E (A, B) | ASTAXANTHIN | non-polymer | 596.8 | 2 | Chemie (AXT) | |||
| 4 | D (A) | DODECANE | non-polymer | 170.3 | 1 | Chemie (D12) | |||
| 5 | F (B) | 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 122.1 | 1 | Chemie (TRS) | |||
| 6 | G (B) | 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID | non-polymer | 238.3 | 1 | Chemie (EPE) | |||
| 7 | H, I (A, B) | water | water | 18.0 | 30 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 40246.9 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 1724.5 | |
| All* | Total formula weight | 41971.3 |
