SMTL ID : 4tnr.1

Structure basis of cellular dNTP regulation, SAMHD1-GTP-dATP-dATP complex

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.75 Å

Oligo State

homo-tetramer

Ligands

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

DTP.1: 16 residues within 4Å: Chain A: Q.37, L.38, R.52, R.94, N.95, H.98, H.103, H.121, D.199, K.200, Y.203, D.207, R.254, H.258, Y.262, Q.263 19 PLIP interactions: 19 interactions with chain A Hydrophobic interactions: A:Y.262 Hydrogen bonds: A:Q.37, A:R.52, A:N.95, A:Q.263, A:Q.263 Water bridges: A:R.94, A:R.94 Salt bridges: A:R.52, A:R.94, A:R.94, A:H.98, A:H.103, A:H.103, A:H.121, A:H.121, A:K.200, A:R.254 pi-Stacking: A:H.103 DTP.3: 19 residues within 4Å: Chain A: R.221, F.225, R.240, K.242, N.246, K.411 Chain B: V.5, I.6, N.7, H.13 Chain C: V.44, F.45, P.46, R.260, H.264, K.265, V.266 Ligands: MG.6, GTP.7 20 PLIP interactions: 10 interactions with chain A, 8 interactions with chain C, 2 interactions with chain B Hydrogen bonds: A:R.221, A:N.246, C:R.260, B:N.7, B:N.7 Salt bridges: A:R.221, A:R.240, A:K.242, A:K.242, A:K.242, A:K.411, C:H.264, C:H.264, C:K.265, C:K.265, C:K.265 pi-Cation interactions: A:R.221, A:R.221 Hydrophobic interactions: C:V.44, C:F.45 DTP.5: 17 residues within 4Å: Chain B: Q.37, L.38, R.52, H.55, R.94, N.95, H.98, H.103, H.121, D.199, K.200, Y.203, D.207, R.254, H.258, Y.262, Q.263 19 PLIP interactions: 19 interactions with chain B Hydrophobic interactions: B:L.38, B:Y.262 Hydrogen bonds: B:Q.37, B:R.52, B:R.52, B:D.199, B:Y.203, B:Q.263, B:Q.263 Salt bridges: B:R.52, B:R.94, B:R.94, B:H.98, B:H.103, B:H.103, B:H.121, B:K.200, B:R.254 pi-Stacking: B:H.103 DTP.8: 18 residues within 4Å: Chain A: V.5, I.6, N.7, H.13 Chain B: R.221, F.225, R.240, K.242, N.246, K.411 Chain D: V.44, F.45, R.260, H.264, K.265, V.266 Ligands: MG.4, GTP.15 21 PLIP interactions: 6 interactions with chain D, 11 interactions with chain B, 4 interactions with chain A Hydrophobic interactions: D:F.45, A:N.7 Salt bridges: D:H.264, D:H.264, D:K.265, D:K.265, D:K.265, B:R.221, B:R.240, B:K.242, B:K.242, B:K.242, B:K.411 Hydrogen bonds: B:R.221, B:N.246, B:N.246, A:N.7, A:N.7 pi-Cation interactions: B:R.221, B:R.221 Water bridges: A:K.4 DTP.9: 18 residues within 4Å: Chain A: V.44, F.45, R.260, H.264, K.265, V.266 Chain C: R.221, F.225, R.240, K.242, N.246, K.411 Chain D: V.5, I.6, N.7, H.13 Ligands: GTP.2, MG.13 21 PLIP interactions: 12 interactions with chain C, 7 interactions with chain A, 2 interactions with chain D Hydrogen bonds: C:R.221, C:N.246, C:N.246, D:N.7, D:N.7 Water bridges: C:K.411 Salt bridges: C:R.221, C:R.240, C:K.242, C:K.242, C:K.242, C:K.411, A:H.264, A:H.264, A:K.265, A:K.265, A:K.265 pi-Cation interactions: C:R.221, C:R.221 Hydrophobic interactions: A:V.44, A:F.45 DTP.12: 16 residues within 4Å: Chain C: Q.37, L.38, R.52, R.94, N.95, H.98, H.103, H.121, D.199, K.200, Y.203, D.207, R.254, H.258, Y.262, Q.263 24 PLIP interactions: 24 interactions with chain C Hydrophobic interactions: C:L.38, C:Y.262 Hydrogen bonds: C:Q.37, C:R.52, C:R.94, C:E.122, C:D.199, C:D.199, C:Y.203, C:Y.203, C:Y.203, C:Q.263, C:Q.263 Salt bridges: C:R.52, C:R.94, C:H.98, C:H.103, C:H.103, C:H.121, C:H.121, C:K.200, C:R.254 pi-Stacking: C:H.103, C:Y.262 DTP.14: 17 residues within 4Å: Chain B: V.44, F.45, I.213, R.260, H.264, K.265 Chain C: V.5, N.7, H.13 Chain D: R.221, F.225, R.240, K.242, N.246, K.411 Ligands: MG.10, GTP.11 20 PLIP interactions: 2 interactions with chain C, 7 interactions with chain B, 11 interactions with chain D Hydrogen bonds: C:N.7, C:N.7, D:R.221, D:N.246, D:N.246 Hydrophobic interactions: B:V.44, B:F.45 Salt bridges: B:H.264, B:H.264, B:K.265, B:K.265, B:K.265, D:R.221, D:R.240, D:K.242, D:K.242, D:K.242, D:K.411 pi-Cation interactions: D:R.221, D:R.221

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

GTP.2: 16 residues within 4Å: Chain A: Y.43, V.44, V.266, R.339, K.343 Chain C: K.411 Chain D: K.4, V.5, I.6, I.24, D.25, Q.30, R.33, F.53 Ligands: DTP.9, MG.13 14 PLIP interactions: 8 interactions with chain D, 4 interactions with chain A, 2 interactions with chain C Hydrogen bonds: D:V.5, D:Q.30, D:R.33 Water bridges: D:V.5 Salt bridges: D:K.4, D:K.4, D:K.4, D:D.25, A:R.339, A:K.343, A:K.343, C:K.411, C:K.411 pi-Cation interactions: A:R.339 GTP.7: 17 residues within 4Å: Chain A: K.411 Chain B: K.4, V.5, I.6, V.21, I.24, D.25, Q.30, R.33, F.53 Chain C: Y.43, V.44, V.266, R.339, K.343 Ligands: DTP.3, MG.6 14 PLIP interactions: 5 interactions with chain C, 7 interactions with chain B, 2 interactions with chain A Hydrogen bonds: C:R.339, B:V.5, B:Q.30, B:R.33 Salt bridges: C:R.339, C:K.343, C:K.343, B:K.4, B:K.4, B:K.4, B:D.25, A:K.411, A:K.411 pi-Cation interactions: C:R.339 GTP.11: 16 residues within 4Å: Chain B: Y.43, V.44, V.266, R.339, K.343 Chain C: K.4, V.5, I.6, I.24, D.25, Q.30, R.33, F.53 Chain D: K.411 Ligands: MG.10, DTP.14 15 PLIP interactions: 5 interactions with chain B, 2 interactions with chain D, 8 interactions with chain C Hydrogen bonds: B:R.339, C:V.5, C:Q.30, C:R.33 Salt bridges: B:R.339, B:K.343, B:K.343, D:K.411, D:K.411, C:K.4, C:K.4, C:K.4, C:D.25 pi-Cation interactions: B:R.339 Water bridges: C:K.4 GTP.15: 16 residues within 4Å: Chain A: K.4, V.5, I.6, I.24, D.25, Q.30, R.33, F.53 Chain B: K.411 Chain D: Y.43, V.44, V.266, R.339, K.343 Ligands: MG.4, DTP.8 16 PLIP interactions: 9 interactions with chain A, 2 interactions with chain B, 5 interactions with chain D Hydrogen bonds: A:V.5, A:Q.30, A:R.33, D:R.339 Water bridges: A:K.4, A:K.4 Salt bridges: A:K.4, A:K.4, A:K.4, A:D.25, B:K.411, B:K.411, D:R.339, D:K.343, D:K.343 pi-Cation interactions: D:R.339

4 x MG: MAGNESIUM ION(Non-covalent)

MG.4: 4 residues within 4Å: Chain A: K.4 Chain B: K.411 Ligands: DTP.8, GTP.15 No protein-ligand interaction detected (PLIP) MG.6: 4 residues within 4Å: Chain A: K.411 Chain B: K.4 Ligands: DTP.3, GTP.7 No protein-ligand interaction detected (PLIP) MG.10: 3 residues within 4Å: Chain C: K.4 Ligands: GTP.11, DTP.14 No protein-ligand interaction detected (PLIP) MG.13: 4 residues within 4Å: Chain C: K.411 Chain D: K.4 Ligands: GTP.2, DTP.9 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ji, X. et al., Structural basis of cellular dNTP regulation by SAMHD1. Proc.Natl.Acad.Sci.USA (2014)

Release Date

2014-10-01

Peptides

Deoxynucleoside triphosphate triphosphohydrolase SAMHD1: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
D

B
C

C
B

D
A

Deoxynucleoside triphosphate triphosphohydrolase SAMHD1

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