SMTL ID : 8hce.1

Crystal structure of mTREX1-CMP complex

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.50 Å

Oligo State

homo-dimer

Ligands

1 x EPE: 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID(Non-functional Binders)

EPE.1: 5 residues within 4Å: Chain A: R.174, K.175, S.176, S.181, R.185 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:S.176 Water bridges: A:K.175 Salt bridges: A:R.185

2 x SO4: SULFATE ION(Non-functional Binders)

SO4.2: 6 residues within 4Å: Chain A: A.76, C.77, S.82, S.88, K.89, A.90 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:C.77, A:S.82, A:S.82, A:K.89, A:A.90 SO4.3: 2 residues within 4Å: Chain A: N.125, R.128 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:N.125, A:N.125 Salt bridges: A:R.128

2 x NH4: AMMONIUM ION(Non-functional Binders)

NH4.4: 5 residues within 4Å: Chain A: K.211, P.212, Q.213, A.214, L.215 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:K.211, A:Q.213, A:A.214 NH4.5: 3 residues within 4Å: Chain A: P.58, R.59, P.60 1 PLIP interactions: 1 interactions with chain A Water bridges: A:P.58

1 x C5P: CYTIDINE-5'-MONOPHOSPHATE(Non-covalent)

C5P.6: 12 residues within 4Å: Chain B: D.18, L.19, E.20, A.21, T.22, G.23, L.24, S.78, A.81, T.85, Y.129, H.195 8 PLIP interactions: 8 interactions with chain B Hydrogen bonds: B:D.18, B:E.20, B:A.21 Water bridges: B:L.19, B:E.20, B:L.24, B:S.78 Salt bridges: B:H.195

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Huang, K.W. et al., Molecular insight into the specific enzymatic properties of TREX1 revealing the diverse functions in processing RNA and DNA/RNA hybrids. Nucleic Acids Res. (2023)

Release Date

2023-11-08

Peptides

Three-prime repair exonuclease 1: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Three-prime repair exonuclease 1

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