SMTL ID : 4aya.1

Crystal structure of ID2 HLH homodimer at 2.1A resolution

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-dimer

Ligands

2 x K: POTASSIUM ION(Non-covalent)

K.1: 6 residues within 4Å: Chain A: K.48, E.49, V.51, P.52, I.54, Q.56 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:K.48, A:V.51, A:I.54 K.3: 6 residues within 4Å: Chain B: K.48, E.49, V.51, P.52, I.54, Q.56 4 PLIP interactions: 3 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:K.48, B:V.51, B:I.54, H2O.14

1 x ACT: ACETATE ION(Non-functional Binders)

ACT.2: 5 residues within 4Å: Chain A: M.40, Y.44, K.62 Chain B: Y.44, K.62 4 PLIP interactions: 2 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:Y.44, B:Y.44 Salt bridges: A:K.62, B:K.62

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wong, M.V. et al., A Divalent Ion is Crucial in the Structure and Dominant-Negative Function of Id Proteins, a Class of Helix-Loop-Helix Transcription Regulators. Plos One (2012)

Release Date

2012-11-14

Peptides

DNA-BINDING PROTEIN INHIBITOR ID-2: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

DNA-BINDING PROTEIN INHIBITOR ID-2