4EJI
Human Cytochrome P450 2A13 in complex with two molecules of 4-(methylnitrosamino)-1-(3-puridyl)-1-butanone
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A | Cytochrome P450 2A13 | polymer | 476 | 54804.8 | 1 | UniProt (Q16696) Pfam (PF00067) In PDB | Homo sapiens (human) | CYPIIA13 |
2 | A | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 1 | Chemie (HEM) | |||
3 | A | 4-[methyl(nitroso)amino]-1-(pyridin-3-yl)butan-1-one | non-polymer | 207.2 | 2 | Chemie (0QA) | |||
4 | water | water | 18.0 | 69 | Chemie (HOH) |
Sequence modifications
A: 31 - 494 (UniProt: Q16696)
PDB | External Database | Details |
---|---|---|
Met 23 | - | initiating methionine |
Ala 24 | - | expression tag |
Lys 25 | - | expression tag |
Lys 26 | - | expression tag |
Thr 27 | - | expression tag |
Ser 28 | - | expression tag |
Ser 29 | - | expression tag |
Lys 30 | - | expression tag |
His 495 | - | expression tag |
His 496 | - | expression tag |
His 497 | - | expression tag |
His 498 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 1 |
Total formula weight | 54804.8 | |
Non-Polymers* | Number of molecules | 3 |
Total formula weight | 1030.9 | |
All* | Total formula weight | 55835.7 |