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 | UniProt (by SIFTS) (P58989) | HOMARUS GAMMARUS (EUROPEAN LOBSTER) | BETA CRUSTACYANIN SUBUNIT |
| 2 | B (B) | CRUSTACYANIN A2 SUBUNIT | polymer | 174 | 19688.8 | 1 | UniProt (P80007) | HOMARUS GAMMARUS (EUROPEAN LOBSTER) | |
| 3 | C, E (A, B) | ASTAXANTHIN | non-polymer | 596.8 | 2 | Chemie (AXT) PubChem (58713508) PubChem (441651) PubChem (71509916) PubChem (2246) PubChem (5320890) PubChem (91827159) PubChem (5281224) PubChem (91827091) PubChem (5353417) PubChem (5368397) PubChem (100945276) PubChem (100945275) PubChem (6437645) PubChem (129605176) PubChem (6477089) PubChem (100945277) PubChem (100945278) PubChem (100945279) PubChem (100945280) PubChem (122381538) PubChem (122701028) PubChem (12358424) PubChem (12358421) PubChem (12358422) PubChem (152743339) PubChem (126963425) PubChem (129605175) PubChem (129605177) PubChem (159646190) PubChem (162921118) PubChem (162921119) PubChem (162921120) PubChem (171118690) PubChem (172878366) PubChem (173468396) | |||
| 4 | D (A) | DODECANE | non-polymer | 170.3 | 1 | Chemie (D12) PubChem (8182) PubChem (5359624) | |||
| 5 | F (B) | 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 122.1 | 1 | Chemie (TRS) PubChem (3777159) | |||
| 6 | G (B) | 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID | non-polymer | 238.3 | 1 | Chemie (EPE) PubChem (23831) | |||
| 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 |
