1FSX
THE X-RAY STRUCTURE DETERMINATION OF BOVINE CARBONMONOXY HB AT 2.1 A RESOLUTION AND ITS RELATIONSHIP TO THE QUATERNARY STRUCTURE OF OTHER HB CRYSTAL FORMS
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, C (A, C) | HEMOGLOBIN ALPHA CHAIN | polymer | 141 | 15077.2 | 2 | UniProt (P01966) Pfam (PF00042) | Bos taurus (cattle) | |
| 2 | B, D (B, D) | HEMOGLOBIN BETA CHAIN | polymer | 145 | 15977.4 | 2 | UniProt (P02070) Pfam (PF00042) | Bos taurus (cattle) | |
| 3 | E, G, I, K (A, B, C, D) | CARBON MONOXIDE | non-polymer | 28.0 | 4 | Chemie (CMO) | |||
| 4 | F, H, J, L (A, B, C, D) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 4 | Chemie (HEM) | |||
| 5 | M, N, O, P (A, B, C, D) | water | water | 18.0 | 136 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 62109.1 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 2578.0 | |
| All* | Total formula weight | 64687.1 |
