SMTL ID : 3wo3.5 (5 other biounits)

Crystal structure of IL-18 in complex with IL-18 receptor alpha

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.10 Å

Oligo State

hetero-1-1-mer

Ligands

2 x NAG- NAG- BMA: beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose(Non-functional Binders)(Post Translational Modification)

NAG-NAG-BMA.1: 6 residues within 4Å: Chain B: G.16, K.99, H.100, V.169, F.171, N.180 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:H.100 NAG-NAG-BMA.2: 6 residues within 4Å: Chain B: E.105, V.108, S.110, Y.165, N.186, T.188 No protein-ligand interaction detected (PLIP)

1 x NAG- NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-NAG.3: 3 residues within 4Å: Chain B: V.208, R.217, N.219 No protein-ligand interaction detected (PLIP)

1 x NAG- NAG- FUC: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-FUC.4: 8 residues within 4Å: Chain A: Q.56, P.57 Chain B: M.233, F.234, G.235, L.278, N.280, T.291 1 PLIP interactions: 1 interactions with chain B Hydrophobic interactions: B:T.291

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

SO4.5: 5 residues within 4Å: Chain A: H.109, D.110, N.111, K.112 Chain B: E.114 7 PLIP interactions: 1 interactions with chain B, 6 interactions with chain A Hydrogen bonds: B:E.114, A:D.110, A:N.111, A:N.111, A:K.112 Salt bridges: A:H.109, A:K.112 SO4.7: 2 residues within 4Å: Chain B: N.140, K.142 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:N.140 Salt bridges: B:K.142

1 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.6: 2 residues within 4Å: Chain B: N.133, H.173 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Tsutsumi, N. et al., The structural basis for receptor recognition of human interleukin-18. Nat Commun (2014)

Release Date

2014-12-17

Peptides

Interleukin-18: A
Interleukin-18 receptor 1: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
I

B
J

Interleukin-18

Interleukin-18 receptor 1

Related Entries With Identical Sequence