1KTW
IOTA-CARRAGEENASE COMPLEXED TO IOTA-CARRAGEENAN FRAGMENTS
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) | IOTA-CARRAGEENASE | polymer | 464 | 51936.1 | 2 | GenBank (10039456) Pfam (PF12708) UniProt (by SIFTS) (Q9F5I8) | Alteromonas sp. ATCC 43554 | |
| 2 | C (C) | 3,6-anhydro-2-O-sulfo-alpha-D-galactopyranose-(1-3)-4-O-sulfo-beta-D-galactopyranose | branched | 484.4 | 1 | In PDB GlyTouCan (G58187OK) | |||
| 3 | D (D) | 3,6-anhydro-2-O-sulfo-alpha-D-galactopyranose-(1-3)-4-O-sulfo-beta-D-galactopyranose-(1-4)-3,6-anhydro-2-O-sulfo-alpha-D-galactopyranose-(1-3)-4-O-sulfo-beta-D-galactopyranose | branched | 950.8 | 1 | In PDB GlyTouCan (G24165XP) | |||
| 4 | E, F, G, H, I... (A, B) | CALCIUM ION | non-polymer | 40.1 | 10 | Chemie (CA) | |||
| 5 | J, K, R, S (A, B) | SODIUM ION | non-polymer | 23.0 | 4 | Chemie (NA) | |||
| 6 | L, T (A, B) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
| 7 | U, V (A, B) | water | water | 18.0 | 522 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 103872.2 | |
| Branched | Number of molecules | 2 |
| Total formula weight | 1435.2 | |
| Non-Polymers* | Number of molecules | 16 |
| Total formula weight | 563.6 | |
| All* | Total formula weight | 105871.0 |
