3LDJ
Crystal structure of aprotinin in complex with sucrose octasulfate: unusual interactions and implication for heparin binding
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C | Pancreatic trypsin inhibitor | polymer | 58 | 6527.6 | 3 | UniProt (P00974) Pfam (PF00014) In PDB | Bos taurus (bovine cow domestic cattle domestic cow) | Basic protease inhibitor, BPTI, BPI, Aprotinin |
| 2 | D | 1,3,4,6-tetra-O-sulfo-beta-D-fructofuranose-(2-1)-2,3,4,6-tetra-O-sulfonato-alpha-D-glucopyranose | branched | 982.8 | 1 | In PDB BIRD (PRD_900013) | sucrose octasulfate | ||
| 3 | C | ACETATE ION | non-polymer | 59.0 | 1 | Chemie (ACT) | |||
| 4 | water | water | 18.0 | 220 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 19582.7 | |
| Branched | Number of molecules | 1 |
| Total formula weight | 982.8 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 59.0 | |
| All* | Total formula weight | 20624.6 |
