SMTL ID : 1nu4.7 (6 other biounits)

U1A RNA binding domain at 1.8 angstrom resolution reveals a pre-organized C-terminal helix

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

homo-dimer

Ligands

6 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 1 residues within 4Å: Chain A: R.69 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:R.69, H2O.1 MG.2: 3 residues within 4Å: Chain A: D.41 Chain B: D.41 Ligands: MG.11 No protein-ligand interaction detected (PLIP) MG.3: 5 residues within 4Å: Chain A: K.21, K.22, D.23, R.46 Ligands: MLA.7 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:D.23 MG.10: 1 residues within 4Å: Chain B: R.69 2 PLIP interactions: 1 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:R.69, H2O.3 MG.11: 3 residues within 4Å: Chain A: D.41 Chain B: D.41 Ligands: MG.2 No protein-ligand interaction detected (PLIP) MG.12: 5 residues within 4Å: Chain B: K.21, K.22, D.23, R.46 Ligands: MLA.16 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:D.23

12 x MLA: MALONIC ACID(Non-covalent)

MLA.4: 4 residues within 4Å: Chain A: T.5, L.68, R.69, Y.85 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:T.5, A:Y.85 Salt bridges: A:R.69 MLA.5: 4 residues within 4Å: Chain A: Y.12, F.55, A.86, K.87 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:Y.12 Hydrogen bonds: A:K.87 MLA.6: 7 residues within 4Å: Chain A: N.8, H.9, T.10, T.88, D.89, S.90, D.91 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:N.8, A:N.8, A:N.8, A:H.9, A:S.90, A:D.91 Salt bridges: A:H.9 MLA.7: 4 residues within 4Å: Chain A: K.21, K.22, R.46 Ligands: MG.3 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:K.22, A:R.46 Water bridges: A:R.51 Salt bridges: A:R.46 MLA.8: 4 residues within 4Å: Chain A: N.15, D.78, K.79, P.80 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:P.80 Hydrogen bonds: A:N.15 Salt bridges: A:K.79, A:K.79 MLA.9: 5 residues within 4Å: Chain A: S.28, F.74, P.75, F.76, Y.77 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:F.76 Hydrogen bonds: A:S.28, A:Y.77 Water bridges: A:D.78 MLA.13: 4 residues within 4Å: Chain B: T.5, L.68, R.69, Y.85 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:Y.85 Salt bridges: B:R.69 MLA.14: 4 residues within 4Å: Chain B: Y.12, F.55, A.86, K.87 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:Y.12 Hydrogen bonds: B:K.87 MLA.15: 7 residues within 4Å: Chain B: N.8, H.9, T.10, T.88, D.89, S.90, D.91 8 PLIP interactions: 8 interactions with chain B Hydrogen bonds: B:N.8, B:N.8, B:N.8, B:H.9, B:T.10, B:S.90, B:D.91 Salt bridges: B:H.9 MLA.16: 4 residues within 4Å: Chain B: K.21, K.22, R.46 Ligands: MG.12 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:K.22, B:R.46 Water bridges: B:R.51 Salt bridges: B:R.46 MLA.17: 4 residues within 4Å: Chain B: N.15, D.78, K.79, P.80 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:P.80 Hydrogen bonds: B:N.15 Salt bridges: B:K.79, B:K.79 MLA.18: 5 residues within 4Å: Chain B: S.28, F.74, P.75, F.76, Y.77 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:F.76 Hydrogen bonds: B:S.28, B:Y.77 Water bridges: B:D.78

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Rupert, P.B. et al., U1A RNA-binding domain at 1.8 A resolution. Acta Crystallogr.,Sect.D (2003)

Release Date

2003-02-14

Peptides

U1A RNA binding domain: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
B

U1A RNA binding domain

Related Entries With Identical Sequence