SMTL ID : 6n3f.1

Structure of HIV Tat-specific factor 1 U2AF Homology Motif bound to SF3b1 ULM5

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-dimer

Ligands

1 x SER- ARG- TRP- ASP: SF3b1 U2AF ligand motif(Non-covalent)

SER-ARG-TRP-ASP.1: 14 residues within 4Å: Chain A: W.79, G.82 Chain B: V.26, E.29, I.30, D.33, L.34, E.37, L.75, R.78, W.79, F.80, G.81, I.85 15 PLIP interactions: 13 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:I.85, A:W.79 Hydrogen bonds: B:D.33, B:D.33, B:D.33, B:R.78, B:W.79, B:W.79, B:W.79, B:G.81, A:W.79 Water bridges: B:G.82 Salt bridges: B:R.78 pi-Stacking: B:F.80, B:F.80

1 x PEG: DI(HYDROXYETHYL)ETHER(Non-functional Binders)

PEG.2: 9 residues within 4Å: Chain A: V.8, I.10, K.46, L.48, F.50, S.59, S.61, W.90, Y.96 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:K.46, A:S.61

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 10 residues within 4Å: Chain B: V.8, I.10, K.46, L.48, F.50, S.59, W.90, T.94, D.95, Y.96 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:K.46, B:Y.96

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Loerch, S. et al., The pre-mRNA splicing and transcription factor Tat-SF1 is a functional partner of the spliceosome SF3b1 subunit via a U2AF homology motif interface. J. Biol. Chem. (2019)

Release Date

2019-01-02

Peptides

HIV Tat-specific factor 1: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
C

HIV Tat-specific factor 1

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