Q9Y3Z3 (SAMH1_HUMAN) Homo sapiens (Human)
Deoxynucleoside triphosphate triphosphohydrolase SAMHD1 UniProtKBInterProSTRINGInteractive Modelling
It is possible new templates exist for this target since these models were created.
However, an attempt to improve models for this target was made on 2025-04-08. The outcome - failed for technical reasons.
Available Structures
75 Experimental Structures
| Description | PDB ID | Oligo-state | Range | Seq id (%) | Ligands | |
|---|---|---|---|---|---|---|
| SAMHD1 Bound to Clofarabine-TP in the Catalytic Pocket and Allosteric Pocket |
Heteromer | 99.58 | 8×HDV; 4×GTP; 10×MG; 23×NA; 7×GLY; 2×SIN; 1×PO4; 1×TCE; | |||
| SAMHD1 Bound to Gemcitabine-TP in the Catalytic Pocket |
Heteromer | 99.57 | 4×GTF; 4×GTP; 4×DTP; 10×MG; 4×NA; 1×NI; | |||
| Crystal structure of human SAMHD1 (amino acid residues 582-626) bound to Vpx isolated from sooty ma… |
Heteromer P19508; Q9Y4B6; | 100 | 2×PG4; 1×ZN; | |||
| Structural insight into dGTP-dependent activation of tetrameric SAMHD1 deoxynucleoside triphosphate… | homo-4-mer | 99.79 | 4×ZN; 10×DGT; 4×MG; 2×DTP; | |||
| The structure of GTP-dATP-bound SAMHD1 | homo-4-mer | 99.79 | 8×DTP; 4×GTP; 4×MG; | |||
| The structure of GTP-dUTP-bound SAMHD1 | homo-4-mer | 99.79 | 4×GTP; 8×DUT; 4×MG; | |||
| The structure of GTP-dCTP-bound SAMHD1 | homo-4-mer | 99.79 | 8×DCP; 4×MG; 4×GTP; | |||
| The structure of GTP-dTTP-bound SAMHD1 | homo-4-mer | 99.79 | 4×GTP; 8×TTP; 4×MG; | |||
| Crystal structure of tetrameric human wt-SAMHD1 (residues 109-626) with GTP, dATP, dCMPNPP and Mg | homo-4-mer | 100.0 | 4×FE; 12×MG; 4×0KX; 4×GTP; 4×SO4; 4×DTP; | |||
| ssRNA bound SAMHD1 T open | homo-4-mer | 100.0 | 2×FE; | |||
| Crystal structure of the tetrameric dGTP-bound SAMHD1 mutant catalytic core | homo-4-mer | 99.58 | 12×DGT; 8×MG; | |||
| SAMHD1(113-626) H206R D207N R366C | homo-4-mer | 99.38 | 8×DGT; 4×MG; | |||
| SAMHD1 Bound to Cladribine-TP in the Catalytic Pocket and Allosteric Pocket | homo-4-mer | 99.58 | 8×HF7; 4×GTP; 8×MG; 1×NA; | |||
| Structural basis of cellular dNTP regulation, SAMHD1-GTP-dCTP-cCTP complex | homo-4-mer | 99.58 | 8×DCP; 4×GTP; 4×MG; | |||
| Crystal structure of the tetrameric dGTP/dCTP-bound SAMHD1 (RN206) mutant catalytic core | homo-4-mer | 99.58 | 8×DGT; 4×DCP; 8×MG; | |||
| Crystal structure of the tetrameric GTP/dATP/ATP-bound SAMHD1 (H210A) mutant catalytic core | homo-4-mer | 99.79 | 4×GTP; 4×DTP; 4×MG; 4×ZN; | |||
| Structure basis of cellular dNTP regulation, SAMHD1-GTP-dGTP-dCTP complex | homo-4-mer | 99.58 | 4×DCP; 8×MG; 4×GTP; 4×DGT; | |||
| SAMHD1 HD domain bound to decitabine triphosphate | homo-4-mer | 99.58 | 8×F6G; 4×GTP; 4×MG; | |||
| Crystal structure of the tetrameric dGTP/dATP-bound SAMHD1 (RN206) mutant catalytic core | homo-4-mer | 99.58 | 8×DGT; 4×DTP; 8×MG; | |||
| Structural basis of cellular dNTP regulation, SAMHD1-dGTP-dGTP-dCTP complex | homo-4-mer | 99.58 | 4×DCP; 8×MG; 8×DGT; | |||
| Crystal structure of the tetrameric GTP/dATP-bound SAMHD1 (RN206) mutant catalytic core | homo-4-mer | 99.58 | 8×DTP; 4×MG; 4×GTP; | |||
| Crystal structure of tetrameric human H215A-SAMHD1 (residues 109-626) with GTP, dAMPNPP and Mg | homo-4-mer | 99.79 | 4×FE; 13×MG; 8×DZ4; 4×GTP; | |||
| SAMHD1 Bound to Cytarabine-TP in the Catalytic Pocket | homo-4-mer | 99.58 | 4×HF4; 4×DTP; 8×MG; 4×GTP; | |||
| Crystal structure of the tetrameric GTP/dATP/ATP-bound SAMHD1 (RN206) mutant catalytic core | homo-4-mer | 99.58 | 4×GTP; 4×DTP; 4×MG; | |||
| Structure basis of cellular dNTP regulation, SAMHD1-dGTP-dGTP-dGTP/dTTP complex | homo-4-mer | 99.58 | 11×DGT; 8×MG; 1×TTP; | |||
| Structure basis of cellular dNTP regulation, SAMHD1-GTP-dATP-dCTP complex | homo-4-mer | 99.58 | 4×DCP; 4×GTP; 4×DTP; 4×MG; | |||
| Crystal structure of the tetrameric dGTP/dTTP-bound SAMHD1 (RN206) mutant catalytic core | homo-4-mer | 99.58 | 4×DGT; 8×TTP; 9×MG; | |||
| Crystal structure of the tetrameric dGTP/dUTP-bound SAMHD1 (RN206) mutant catalytic core | homo-4-mer | 99.58 | 4×DGT; 8×DUT; 7×MG; 1×EDO; | |||
| Structure basis of cellular dNTP regulation, SAMHD1-GTP-dGTP complex | homo-4-mer | 99.58 | 4×DGT; 4×GTP; 4×MG; 1×3PO; | |||
| Structure basis of cellular dNTP regulation, SAMHD1-GTP-dATP-dTTP complex | homo-4-mer | 99.58 | 4×TTP; 8×MG; 4×GTP; 4×DTP; | |||
| SAMHD1 Bound to Vidarabine-TP in the Catalytic Pocket | homo-4-mer | 99.58 | 4×HEJ; 4×GTP; 4×DTP; 10×MG; 17×NA; 1×GLY; 1×PO4; | |||
| SAMHD1 without Catalytic Nucleotides | homo-4-mer | 99.58 | 4×DTP; 4×MG; 4×GTP; 2×GLY; 3×NA; 1×PO4; | |||
| Structural basis of cellular dNTP regulation, SAMHD1-GTP-dTTP-dTTP complex | homo-4-mer | 99.58 | 8×TTP; 4×GTP; 4×MG; | |||
| Structure basis of cellular dNTP regulation, SAMHD1-GTP-dATP/dCTP-dCTP complex | homo-4-mer | 99.58 | 6×DCP; 2×DTP; 4×MG; 4×GTP; | |||
| Structural basis of cellular dNTP regulation, SAMHD1-dGTP-dATP-dGTP complex | homo-4-mer | 99.58 | 8×DGT; 4×DTP; 4×MG; | |||
| Structure basis of cellular dNTP regulation, SAMHD1-GTP-dATP-dATP complex | homo-4-mer | 99.58 | 7×DTP; 4×GTP; 4×MG; | |||
| SAMHD1 HD domain bound to CNDAC | homo-4-mer | 99.58 | 4×85T; 4×DTP; 8×MG; 4×GTP; | |||
| Structure basis of cellular dNTP regulation, SAMHD1-GTP-dTTP-dCTP complex | homo-4-mer | 99.58 | 4×DCP; 4×GTP; 4×TTP; 4×MG; | |||
| Crystal structure of the tetrameric dGTP-bound wild type SAMHD1 catalytic core | homo-4-mer | 100.0 | 12×T8T; 4×MN; 4×MG; | |||
| SAMHD1(113-626) H206R D207N R366H | homo-4-mer | 99.38 | 8×DGT; | |||
| Structure of Human SAMHD1 with Non-Hydrolysable dGTP Analog | homo-4-mer | 100 | 12×T8T; | |||
| Crystal structure of tetrameric human D137N-SAMHD1 (residues 109-626) with XTP, dAMPNPP and Mg | homo-4-mer | 99.79 | 4×FE; 12×MG; 8×DZ4; 4×CZF; | |||
| Crystal structure of tetrameric human D137N-SAMHD1 (residues 109-626) with XTP, dAMPNPP and Mn | homo-4-mer | 99.79 | 4×FE; 12×MN; 8×DZ4; 4×CZF; | |||
| SAMHD1 Bound to Fludarabine-TP in the Catalytic Pocket | homo-4-mer | 99.58 | 4×HFD; 4×GTP; 4×DTP; 9×MG; 23×NA; 12×GLY; 2×TRS; 1×PO4; | |||
| Structure basis of cellular dNTP regulation, SAMHD1-dGTP-dATP-dTTP/dGTP complex | homo-4-mer | 99.58 | 3×TTP; 5×DGT; 4×DTP; 4×MG; | |||
| Crystal structure of the dGTP-bound catalytic core of SAMHD1 T592V mutant | homo-4-mer | 99.38 | 12×DGT; 5×MG; | |||
| Crystal structure of tetrameric human D137N-SAMHD1 (residues 109-626) with XTP, dGMPNPP and Mg | homo-4-mer | 99.79 | 4×FE; 12×MG; 8×XG4; 4×CZF; 4×SO4; | |||
| Crystal structure of tetrameric human wt-SAMHD1 (residues 109-626) with GTP, dATP, dTMPNPP and Mg | homo-4-mer | 100.0 | 4×FE; 8×MG; 4×1FZ; 4×GTP; 4×DTP; 3×SO4; | |||
| Crystal structure of tetrameric human D137N-SAMHD1 (residues 109-626) with XTP, dATP, dCMPNPP, Mn a… | homo-4-mer | 99.79 | 4×FE; 4×MN; 8×MG; 4×0KX; 4×CZF; 4×DTP; | |||
| Crystal structure of the GTP-dATP-bound catalytic core of SAMHD1 phosphomimetic T592E mutant | homo-4-mer | 99.57 | 8×DTP; 4×GTP; 4×MG; | |||
| Cryo-EM structure of tetrameric human SAMHD1 with dApNHpp | homo-4-mer | 100 | 8×DZ4; 4×FE; 12×MG; 4×GTP; | |||
| Crystal structure of human SAMHD1 (amino acid residues 41-583) bound to ddGTP | homo-4-mer | 100.0 | 4×FE; 8×DG3; 4×MG; | |||
| Crystal structure of SAMHD1 dimer bound to an inhibitor obtained from high-throughput chemical teth… | homo-4-mer | 100.0 | 4×A1BHL; 4×FE; | |||
| Crystal structure of tetrameric human H215A-SAMHD1 (residues 109-626) with Rp-dGTP-alphaS (T8T) and… | homo-4-mer | 99.78 | 4×FE; 12×MG; 12×T8T; | |||
| Crystal structure of human SAMHD1 (amino acid residues 115-583) bound to ddGTP | homo-4-mer | 100.0 | 4×FE; 8×DG3; 4×SO4; 4×MG; | |||
| Crystal structure of human SAMHD1 (amino acid residues 115-626) bound to GTP | homo-4-mer | 100.0 | 4×FE; 4×GTP; 11×SO4; | |||
| Crystal structure of in vitro phosphorylated human SAMHD1 (amino acid residues 115-626) bound to GTP | homo-4-mer | 100.0 | 4×FE; 4×GTP; | |||
| Crystal structure of human SAMHD1 (amino acid residues 115-583) R164A variant bound to dGTP | homo-4-mer | 99.77 | 4×FE; 4×DGT; | |||
| ssRNA bound SAMHD1 T closed | homo-4-mer | 100.0 | 2×FE; | |||
| Cryo-EM structure of tetrameric human SAMHD1 State I - Tense | homo-4-mer | 100.0 | 4×GTP; 4×FE; 12×MG; 4×DCP; 4×DTP; | |||
| Cryo-EM structure of tetrameric human SAMHD1 State II - Hemi-relaxed | homo-4-mer | 100.0 | 4×GTP; 4×FE; 10×MG; 2×DCZ; 2×3PO; 4×DTP; 2×DCP; | |||
| Cryo-EM structure of tetrameric human SAMHD1 State III - Relaxed | homo-4-mer | 100.0 | 4×FE; 10×MG; 4×DTP; 4×GTP; 2×DCP; | |||
| Cryo-EM structure of tetrameric human SAMHD1 State IV - Depleted relaxed | homo-4-mer | 100.0 | 4×GTP; 4×FE; 8×MG; 4×DTP; 2×DCP; | |||
| Cryo-EM structure of tetrameric human SAMHD1 State V - Depleted relaxed | homo-4-mer | 100.0 | 4×GTP; 4×FE; 2×MG; 2×DTP; 2×DCP; | |||
| Crystal structure of SAMHD1 dimer bound to deoxyguanosine linked inhibitor | homo-2-mer | 100.0 | 2×YWI; 2×FE; | |||
| SAMHD1-DNA complex | homo-2-mer | 100.0 | 2×FE; 2×CA; | |||
| Human SAMHD1 bound to deoxyribo(C*G*C*C*T)-oligonucleotide | homo-2-mer | 99.77 | 2×ZN; | |||
| Crystal structure of SAMHD1 catalytic core with GTP | homo-2-mer | 99.78 | 2×ZN; 2×GTP; | |||
| The structure of GTP-bound SAMHD1 | homo-2-mer | 99.78 | 2×ZN; 2×PO4; 2×GTP; | |||
| SAMHD1-DNA complex | homo-2-mer | 100.0 | 2×FE; 2×CA; | |||
| Human SAMHD1 bound to ribo(CGCCU)-oligonucleotide | homo-2-mer | 99.77 | 2×ZN; 2×DTP; | |||
| Crystal structure of Apo-SAMHD1 | homo-2-mer | 100.0 | 2×FE; | |||
| Human SAMHD1 bound to deoxyribo(TG*TTCA)-oligonucleotide | homo-2-mer | 100.0 | 2×ZN; | |||
| Structure of the catalytic core of human SAMHD1 | homo-2-mer | 100.0 | 2×PO4; 2×ZN; | |||
| Solution structure of the N-terminal SAM-domain of the SAM domain and HD domain containing protein … | monomer | 100 | ||||
3 SWISS-MODEL models
| Template | Oligo-state | QMEAN | Range | Ligands | Trg-Tpl Seq id (%) | |
|---|---|---|---|---|---|---|
| 5yhw.1.A | monomer | 0.85 | 83.72 | |||
| 6brk.1.A | monomer | 0.81 | 1×DGT; | 73.98 | ||
| 8tdw.1.A | monomer | 0.81 | 1×FE; | 100.00 | ||
6 SWISS-MODEL models built on isoform sequence
| Isoform | Template | Oligo-state | QMEAN | Range | Ligands | Trg-Tpl Seq id (%) | |
|---|---|---|---|---|---|---|---|
| Isoform 3 | 8qxk.1.A | monomer | 0.80 | 1×MG; | 98.02 | ||
| Isoform 3 | 6brk.1.A | monomer | 0.79 | 1×DGT; | 71.19 | ||
| Isoform 3 | 8qxk.1.A | monomer | 0.57 | 1×MG; | 83.85 | ||
| Isoform 3 | 8tdw.1.A | monomer | 0.54 | 83.85 | |||
| Isoform 4 | 6brk.1.A | monomer | 0.85 | 1×DGT; | 74.91 | ||
| Isoform 4 | 8tdw.1.A | monomer | 0.83 | 1×FE; | 100.00 | ||