SMTL ID : 4tnq.1

Structural basis of cellular dNTP regulation, SAMHD1-GTP-dTTP-dTTP complex

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.55 Å

Oligo State

homo-tetramer

Ligands

8 x TTP: THYMIDINE-5'-TRIPHOSPHATE(Non-covalent)

TTP.1: 14 residues within 4Å: Chain A: Q.37, L.38, R.52, R.94, H.98, H.103, D.199, K.200, Y.203, D.207, R.254, H.258, Y.262, Q.263 23 PLIP interactions: 23 interactions with chain A Hydrophobic interactions: A:L.38, A:H.103, A:Y.262 Hydrogen bonds: A:Q.37, A:R.52, A:Y.203, A:Y.262, A:Q.263 Water bridges: A:R.52, A:R.52, A:R.94, 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 TTP.3: 18 residues within 4Å: Chain A: R.221, F.225, R.240, K.242, N.246, K.411 Chain B: V.44, F.45, R.260, H.264, K.265, V.266 Chain D: V.5, I.6, N.7, H.13 Ligands: MG.11, GTP.12 22 PLIP interactions: 11 interactions with chain A, 9 interactions with chain B, 2 interactions with chain D Hydrogen bonds: A:R.221, A:N.246, D:N.7, D:N.7 Water bridges: A:K.411, A:K.411, B:R.260, B:H.264, B:K.265 Salt bridges: A:R.221, A:R.240, A:K.242, A:K.242, A:K.242, A:K.411, B:H.264, B:H.264, B:K.265, B:K.265 pi-Cation interactions: A:R.221 Hydrophobic interactions: B:V.44, B:F.45 TTP.4: 16 residues within 4Å: Chain A: V.44, F.45, R.260, H.264, K.265 Chain B: R.221, R.240, K.242, N.246, K.411 Chain C: V.5, I.6, N.7, H.13 Ligands: GTP.2, MG.5 21 PLIP interactions: 8 interactions with chain A, 11 interactions with chain B, 2 interactions with chain C Hydrophobic interactions: A:V.44, A:F.45 Hydrogen bonds: A:R.260, B:R.221, B:N.246, C:N.7, C:N.7 Salt bridges: A:H.264, A:H.264, A:K.265, A:K.265, A:K.265, B:R.221, B:R.240, B:K.242, B:K.242, B:K.242, B:K.411 Water bridges: B:K.242, B:K.242 pi-Cation interactions: B:R.221 TTP.6: 15 residues within 4Å: Chain B: Q.37, L.38, R.52, R.94, H.98, H.103, H.121, D.199, K.200, Y.203, D.207, R.254, H.258, Y.262, Q.263 20 PLIP interactions: 20 interactions with chain B Hydrophobic interactions: B:L.38, B:H.103, B:Y.262 Hydrogen bonds: B:Q.37, B:R.52, B:D.199, B:Y.203, B:Y.203, B:Y.262, B:Q.263 Water bridges: B:R.52, B:R.52, B:D.271, B:D.271 Salt bridges: B:R.94, B:H.103, B:H.121, B:K.200, B:K.200, B:R.254 TTP.8: 15 residues within 4Å: Chain C: Q.37, L.38, R.52, R.94, 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 C Hydrophobic interactions: C:L.38, C:Y.262 Hydrogen bonds: C:Q.37, C:R.52, C:R.94, C:Y.203, C:Y.262, C:Q.263 Water bridges: C:R.52, C:R.52, C:R.254, C:R.254 Salt bridges: C:R.52, C:R.94, C:H.103, C:H.121, C:K.200, C:K.200, C:R.254 TTP.10: 18 residues within 4Å: Chain B: V.5, I.6, N.7, H.13 Chain C: 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.7, GTP.16 20 PLIP interactions: 9 interactions with chain D, 9 interactions with chain C, 2 interactions with chain B Hydrophobic interactions: D:V.44, D:F.45 Water bridges: D:R.260, D:R.260 Salt bridges: D:H.264, D:H.264, D:K.265, D:K.265, D:K.265, C:R.221, C:R.240, C:K.242, C:K.242, C:K.242, C:K.411 Hydrogen bonds: C:R.221, C:N.246, B:N.7, B:N.7 pi-Cation interactions: C:R.221 TTP.13: 17 residues within 4Å: Chain A: V.5, I.6, N.7, H.13 Chain C: V.44, F.45, R.260, H.264, K.265 Chain D: R.221, F.225, R.240, K.242, N.246, K.411 Ligands: GTP.9, MG.14 19 PLIP interactions: 8 interactions with chain C, 9 interactions with chain D, 2 interactions with chain A Hydrophobic interactions: C:V.44, C:F.45 Water bridges: C:R.260, C:R.260 Salt bridges: C:H.264, C:H.264, C:K.265, C:K.265, D:R.221, D:R.240, D:K.242, D:K.242, D:K.242, D:K.411 Hydrogen bonds: D:R.221, D:N.246, A:N.7, A:N.7 pi-Cation interactions: D:R.221 TTP.15: 16 residues within 4Å: Chain D: 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 18 PLIP interactions: 18 interactions with chain D Hydrophobic interactions: D:L.38, D:H.103, D:Y.262 Hydrogen bonds: D:Q.37, D:R.52, D:D.199, D:Y.203, D:Y.262, D:Q.263 Salt bridges: D:R.52, D:R.94, D:R.94, D:H.98, D:H.103, D:H.121, D:K.200, D:K.200, D:R.254

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 B: K.411 Chain C: K.4, V.5, I.6, I.24, D.25, Q.30, R.33, F.53 Ligands: TTP.4, MG.5 19 PLIP interactions: 6 interactions with chain A, 2 interactions with chain B, 11 interactions with chain C Hydrogen bonds: A:R.339, C:V.5, C:Q.30, C:R.33 Salt bridges: A:K.265, A:R.339, A:K.343, A:K.343, B:K.411, B:K.411, C:K.4, C:K.4, C:K.4, C:D.25 pi-Cation interactions: A:R.339 Water bridges: C:K.4, C:K.4, C:D.25, C:Q.30 GTP.9: 17 residues within 4Å: Chain A: K.4, V.5, I.6, I.24, D.25, Q.30, R.33, F.53 Chain C: Y.43, V.44, K.265, V.266, R.339, K.343 Chain D: K.411 Ligands: TTP.13, MG.14 17 PLIP interactions: 9 interactions with chain A, 6 interactions with chain C, 2 interactions with chain D Hydrogen bonds: A:V.5, A:Q.30, A:R.33, C:R.339 Water bridges: A:K.4, A:K.4 Salt bridges: A:K.4, A:K.4, A:K.4, A:D.25, C:K.265, C:R.339, C:K.343, C:K.343, D:K.411, D:K.411 pi-Cation interactions: C:R.339 GTP.12: 16 residues within 4Å: Chain A: K.411 Chain B: Y.43, V.44, V.266, R.339, K.343 Chain D: K.4, V.5, I.6, I.24, D.25, Q.30, R.33, F.53 Ligands: TTP.3, MG.11 19 PLIP interactions: 10 interactions with chain D, 5 interactions with chain B, 4 interactions with chain A Hydrogen bonds: D:K.4, D:K.4, D:V.5, D:Q.30, D:R.33, B:R.339 Water bridges: D:D.25, A:K.411, A:K.411 Salt bridges: D:K.4, D:K.4, D:K.4, D:D.25, B:R.339, B:K.343, B:K.343, A:K.411, A:K.411 pi-Cation interactions: B:R.339 GTP.16: 16 residues within 4Å: Chain B: K.4, V.5, I.6, I.24, D.25, Q.30, R.33, F.53 Chain C: K.411 Chain D: Y.43, V.44, V.266, R.339, K.343 Ligands: MG.7, TTP.10 17 PLIP interactions: 8 interactions with chain B, 7 interactions with chain D, 2 interactions with chain C Hydrogen bonds: B:V.5, B:Q.30, B:R.33, D:R.339, D:R.339 Water bridges: B:Q.30 Salt bridges: B:K.4, B:K.4, B:K.4, B:D.25, D:K.265, D:R.339, D:K.343, D:K.343, C:K.411, C:K.411 pi-Cation interactions: D:R.339

4 x MG: MAGNESIUM ION(Non-covalent)

MG.5: 3 residues within 4Å: Chain B: K.411 Ligands: GTP.2, TTP.4 No protein-ligand interaction detected (PLIP) MG.7: 4 residues within 4Å: Chain B: K.4 Chain C: K.411 Ligands: TTP.10, GTP.16 No protein-ligand interaction detected (PLIP) MG.11: 3 residues within 4Å: Chain A: K.411 Ligands: TTP.3, GTP.12 No protein-ligand interaction detected (PLIP) MG.14: 4 residues within 4Å: Chain A: K.4 Chain D: K.411 Ligands: GTP.9, TTP.13 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
A

B
C

C
D

D
B

Deoxynucleoside triphosphate triphosphohydrolase SAMHD1

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