SMTL ID : 1n26.1

Crystal Structure of the extra-cellular domains of Human Interleukin-6 Receptor alpha chain

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

homo-dimer

Ligands

2 x NAG- NAG- BMA- MAN- NDG: 2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-4)-alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA-MAN-NDG.1: 9 residues within 4Å: Chain A: S.109, N.110, V.112, E.144, P.145, Q.147, Q.158, N.226, S.227 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:N.110, A:V.112 Hydrogen bonds: A:N.110, A:N.110, A:Q.158, A:Q.158, A:Q.147 Water bridges: A:N.110, A:E.144, A:Q.158 NAG-NAG-BMA-MAN-NDG.8: 9 residues within 4Å: Chain B: S.109, N.110, V.112, E.144, P.145, Q.147, Q.158, N.226, S.227 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:N.110, B:V.112 Hydrogen bonds: B:N.110, B:N.110, B:Q.158, B:Q.158, B:Q.147 Water bridges: B:N.110, B:E.144, B:Q.158

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

NAG-NAG.2: 5 residues within 4Å: Chain A: R.44, K.45, P.46, N.74, H.88 No protein-ligand interaction detected (PLIP) NAG-NAG.9: 5 residues within 4Å: Chain B: R.44, K.45, P.46, N.74, H.88 No protein-ligand interaction detected (PLIP)

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

NAG.3: 5 residues within 4Å: Chain A: A.201, N.202, Q.220, D.221, H.223 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:Q.220, A:H.223, A:H.223, A:H.223 NAG.4: 6 residues within 4Å: Chain A: E.34, D.35, N.36 Chain B: E.290, A.291, M.292 4 PLIP interactions: 2 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:E.290, B:M.292, A:E.34, A:N.36 NAG.10: 5 residues within 4Å: Chain B: A.201, N.202, Q.220, D.221, H.223 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:Q.220, B:H.223, B:H.223, B:H.223 NAG.11: 3 residues within 4Å: Chain B: E.34, D.35, N.36 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:E.34, B:N.36

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

SO4.5: 3 residues within 4Å: Chain A: Q.255, H.256, H.257 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:L.254, A:H.256, A:H.257 Salt bridges: A:H.256, A:H.257 SO4.6: 3 residues within 4Å: Chain A: E.96, E.97, R.118 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:E.97 Water bridges: A:K.182 Salt bridges: A:R.118 SO4.12: 3 residues within 4Å: Chain B: Q.255, H.256, H.257 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:L.254, B:H.256, B:H.257 Salt bridges: B:H.256, B:H.257 SO4.13: 3 residues within 4Å: Chain B: E.96, E.97, R.118 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:E.97 Water bridges: B:K.182 Salt bridges: B:R.118

2 x CYS: CYSTEINE(Non-covalent)

CYS.7: 5 residues within 4Å: Chain A: G.164, D.165, S.166, Q.190, C.192 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:Q.190 CYS.14: 5 residues within 4Å: Chain B: G.164, D.165, S.166, Q.190, C.192 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:Q.190

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Varghese, J.N. et al., Structure of the extracellular domains of the human interleukin-6 receptor alpha-chain. Proc.Natl.Acad.Sci.USA (2002)

Release Date

2002-12-18

Peptides

IL-6 Receptor alpha chain: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

IL-6 Receptor alpha chain