SMTL ID : 8qxm.1

Cryo-EM structure of tetrameric human SAMHD1 State III - Relaxed

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-tetramer

Ligands

4 x FE: FE (III) ION(Non-covalent)

FE.1: 5 residues within 4Å: Chain A: H.167, H.206, D.207, D.311, Y.315 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:H.167, A:H.206, A:D.207, A:D.311 FE.7: 5 residues within 4Å: Chain B: H.167, H.206, D.207, D.311 Ligands: DCP.11 5 PLIP interactions: 5 interactions with chain B Metal complexes: B:H.167, B:H.206, B:D.207, B:D.311, B:D.311 FE.15: 6 residues within 4Å: Chain C: R.164, H.167, H.206, D.207, D.311, Y.315 4 PLIP interactions: 4 interactions with chain C Metal complexes: C:H.167, C:H.206, C:D.207, C:D.311 FE.21: 4 residues within 4Å: Chain D: H.167, H.206, D.207 Ligands: DCP.24 3 PLIP interactions: 3 interactions with chain D Metal complexes: D:H.167, D:H.206, D:D.207

10 x MG: MAGNESIUM ION(Non-covalent)(Non-functional Binders)

MG.2: 2 residues within 4Å: Chain A: D.207, H.233 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:D.207, A:H.233 MG.3: 3 residues within 4Å: Chain A: K.116 Ligands: GTP.5, DTP.19 No protein-ligand interaction detected (PLIP) MG.8: 4 residues within 4Å: Chain B: D.207, H.233, E.234 Ligands: DCP.11 No protein-ligand interaction detected (PLIP) MG.9: 1 residues within 4Å: Ligands: DCP.11 No protein-ligand interaction detected (PLIP) MG.10: 3 residues within 4Å: Chain B: K.116 Ligands: GTP.6, DTP.13 No protein-ligand interaction detected (PLIP) MG.16: 3 residues within 4Å: Chain C: D.207, H.233, E.234 2 PLIP interactions: 2 interactions with chain C Metal complexes: C:D.207, C:H.233 MG.17: 3 residues within 4Å: Chain C: K.116 Ligands: DTP.12, GTP.14 No protein-ligand interaction detected (PLIP) MG.18: 2 residues within 4Å: Ligands: DTP.4, GTP.20 No protein-ligand interaction detected (PLIP) MG.22: 4 residues within 4Å: Chain D: D.207, H.233, E.234 Ligands: DCP.24 2 PLIP interactions: 2 interactions with chain D Metal complexes: D:D.207, D:H.233 MG.23: 1 residues within 4Å: Ligands: DCP.24 No protein-ligand interaction detected (PLIP)

4 x DTP: 2'-DEOXYADENOSINE 5'-TRIPHOSPHATE(Non-covalent)

DTP.4: 13 residues within 4Å: Chain A: R.333, R.352, K.354, K.523 Chain C: V.156, F.157, R.372, H.376 Chain D: V.117, N.119, H.125 Ligands: MG.18, GTP.20 15 PLIP interactions: 5 interactions with chain C, 9 interactions with chain A, 1 interactions with chain D Hydrophobic interactions: C:V.156, C:F.157 Hydrogen bonds: C:R.372, A:R.333, D:N.119 Salt bridges: C:H.376, C:H.376, A:R.333, A:R.352, A:K.354, A:K.354, A:K.354, A:K.523 pi-Cation interactions: A:R.333, A:R.333 DTP.12: 13 residues within 4Å: Chain B: R.333, R.352, K.354, N.358, K.523 Chain C: V.117, N.119 Chain D: V.156, F.157, R.372, H.376 Ligands: GTP.14, MG.17 17 PLIP interactions: 11 interactions with chain B, 5 interactions with chain D, 1 interactions with chain C Hydrogen bonds: B:R.333, B:N.358, B:N.358, D:R.372, C:N.119 Salt bridges: B:R.333, B:R.352, B:K.354, B:K.354, B:K.354, B:K.523, D:H.376, D:H.376 pi-Cation interactions: B:R.333, B:R.333 Hydrophobic interactions: D:V.156, D:F.157 DTP.13: 13 residues within 4Å: Chain A: V.156, F.157, R.372, H.376 Chain B: V.117, N.119, H.125 Chain C: R.333, R.352, K.354, K.523 Ligands: GTP.6, MG.10 16 PLIP interactions: 6 interactions with chain A, 9 interactions with chain C, 1 interactions with chain B Hydrophobic interactions: A:V.156, A:F.157 Hydrogen bonds: A:R.372, A:R.372, C:R.333, C:R.333, B:N.119 Salt bridges: A:H.376, A:H.376, C:R.352, C:K.354, C:K.354, C:K.354, C:K.523 pi-Cation interactions: C:R.333, C:R.333 DTP.19: 13 residues within 4Å: Chain A: V.117, N.119 Chain B: V.156, F.157, R.372, H.376 Chain D: R.333, R.352, K.354, N.358, K.523 Ligands: MG.3, GTP.5 18 PLIP interactions: 11 interactions with chain D, 5 interactions with chain B, 2 interactions with chain A Hydrogen bonds: D:R.333, D:N.358, D:N.358, B:R.372, A:N.119, A:N.119 Salt bridges: D:R.333, D:R.352, D:K.354, D:K.354, D:K.354, D:K.523, B:H.376, B:H.376 pi-Cation interactions: D:R.333, D:R.333 Hydrophobic interactions: B:V.156, B:F.157

4 x GTP: GUANOSINE-5'-TRIPHOSPHATE(Non-covalent)

GTP.5: 15 residues within 4Å: Chain A: K.116, V.117, I.118, D.137, Q.142, R.145, F.165 Chain B: Y.155, V.156, V.378, R.451, K.455 Chain D: K.523 Ligands: MG.3, DTP.19 12 PLIP interactions: 4 interactions with chain B, 1 interactions with chain D, 7 interactions with chain A Hydrogen bonds: B:R.451, A:V.117, A:Q.142, A:R.145 Salt bridges: B:R.451, B:K.455, D:K.523, A:K.116, A:K.116, A:K.116, A:D.137 pi-Cation interactions: B:R.451 GTP.6: 15 residues within 4Å: Chain A: Y.155, V.156, V.378, R.451, L.453 Chain B: K.116, V.117, I.118, I.136, D.137, Q.142, R.145, F.165 Ligands: MG.10, DTP.13 11 PLIP interactions: 8 interactions with chain B, 3 interactions with chain A Hydrogen bonds: B:V.117, B:V.117, B:Q.142, B:R.145, A:R.451 Salt bridges: B:K.116, B:K.116, B:K.116, B:D.137, A:R.451 pi-Cation interactions: A:R.451 GTP.14: 15 residues within 4Å: Chain B: K.523 Chain C: K.116, V.117, I.118, D.137, Q.142, R.145, F.165 Chain D: Y.155, V.156, V.378, R.451, K.455 Ligands: DTP.12, MG.17 12 PLIP interactions: 7 interactions with chain C, 4 interactions with chain D, 1 interactions with chain B Hydrogen bonds: C:V.117, C:Q.142, C:R.145, D:R.451 Salt bridges: C:K.116, C:K.116, C:K.116, C:D.137, D:R.451, D:K.455, B:K.523 pi-Cation interactions: D:R.451 GTP.20: 15 residues within 4Å: Chain C: Y.155, V.156, V.378, R.451, L.453 Chain D: K.116, V.117, I.118, I.136, D.137, Q.142, R.145, F.165 Ligands: DTP.4, MG.18 10 PLIP interactions: 7 interactions with chain D, 3 interactions with chain C Hydrogen bonds: D:V.117, D:Q.142, D:R.145, C:R.451 Salt bridges: D:K.116, D:K.116, D:K.116, D:D.137, C:R.451 pi-Cation interactions: C:R.451

2 x DCP: 2'-DEOXYCYTIDINE-5'-TRIPHOSPHATE(Non-covalent)

DCP.11: 13 residues within 4Å: Chain B: L.150, R.164, H.210, H.215, D.311, K.312, Y.315, D.319, R.366, Y.374 Ligands: FE.7, MG.8, MG.9 11 PLIP interactions: 11 interactions with chain B Hydrophobic interactions: B:L.150, B:Y.374 Hydrogen bonds: B:Q.149, B:H.210, B:D.319, B:Q.375 Salt bridges: B:R.164, B:H.215, B:H.215, B:K.312, B:R.366 DCP.24: 13 residues within 4Å: Chain D: Q.149, L.150, R.164, H.210, H.215, K.312, Y.315, D.319, R.366, Y.374 Ligands: FE.21, MG.22, MG.23 13 PLIP interactions: 13 interactions with chain D Hydrophobic interactions: D:L.150, D:Y.374 Hydrogen bonds: D:Q.149, D:R.164, D:H.210, D:D.319, D:Y.374, D:Q.375 Salt bridges: D:R.164, D:H.215, D:H.215, D:K.312, D:R.366

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Acton, O.J. et al., Platform-directed allostery and quaternary structure dynamics of SAMHD1 catalysis. Nat Commun (2024)

Release Date

2024-05-15

Peptides

Deoxynucleoside triphosphate triphosphohydrolase SAMHD1: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

Deoxynucleoside triphosphate triphosphohydrolase SAMHD1

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