6TX0
Crystal structure of tetrameric human D137N-SAMHD1 (residues 109-626) with XTP, dAMPNPP and Mg
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | Deoxynucleoside triphosphate triphosphohydrolase SAMHD1 | polymer | 520 | 60207.8 | 2 | UniProt (Q9Y3Z3) Pfam (PF01966) In PDB | Homo sapiens (Human) | dNTPase,Dendritic cell-derived IFNG-induced protein,DCIP,Monocyte protein 5,MOP-5,SAM domain and HD domain-containing protein 1,hSAMHD1 |
| 2 | A, B | FE (III) ION | non-polymer | 55.8 | 2 | Chemie (FE) | |||
| 3 | A, B | MAGNESIUM ION | non-polymer | 24.3 | 6 | Chemie (MG) | |||
| 4 | A, B | 2'-deoxy-5'-O-[(R)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]amino}phosphoryl]adenosine | non-polymer | 490.2 | 4 | Chemie (DZ4) | |||
| 5 | A, B | [[(2~{R},3~{S},4~{R},5~{R})-5-[2,6-bis(oxidanylidene)-3~{H}-purin-9-yl]-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate | non-polymer | 524.2 | 2 | Chemie (CZF) | |||
| 6 | water | water | 18.0 | 128 | Chemie (HOH) |
Sequence modifications
A, B: 109 - 626 (UniProt: Q9Y3Z3)
| PDB | External Database | Details |
|---|---|---|
| Gly 107 | - | expression tag |
| Ser 108 | - | expression tag |
| Asn 137 | Asp 137 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 120415.6 | |
| Non-Polymers* | Number of molecules | 14 |
| Total formula weight | 3266.6 | |
| All* | Total formula weight | 123682.3 |
