7QBF
TC:CD320 in complex with nanobody TC-Nb34
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Transcobalamin-2 | polymer | 409 | 45679.5 | 1 | UniProt (P20062) Pfam (PF01122) Pfam (PF14478) | Homo sapiens (human) | TC-2,Transcobalamin II,TC II,TCII |
| 2 | B (C) | CD320 antigen | polymer | 147 | 15613.5 | 1 | UniProt (Q9NPF0) Pfam (PF00057) | Homo sapiens (human) | 8D6 antigen,FDC-signaling molecule 8D6,FDC-SM-8D6,Transcobalamin receptor,TCblR |
| 3 | C (B) | Anti-transcobalamin-2 nanobody TC-Nb34 | polymer | 137 | 14898.3 | 1 | Vicugna pacos | ||
| 4 | D, E, F, G, H... (A, C) | IODIDE ION | non-polymer | 126.9 | 16 | Chemie (IOD) | |||
| 5 | AA, BA, CA, DA, EA... (A, C, B) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 27 | Chemie (EDO) | |||
| 6 | MA (A) | CYANOCOBALAMIN | non-polymer | 1356.4 | 1 | Chemie (CNC) | |||
| 7 | NA, OA (C) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 8 | XA, YA, ZA (A, C, B) | water | water | 18.0 | 407 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 76191.3 | |
| Non-Polymers* | Number of molecules | 46 |
| Total formula weight | 5142.8 | |
| All* | Total formula weight | 81334.1 |
