SMTL ID : 4f4o.1 (1 other biounit)

Structure of the Haptoglobin-Haemoglobin Complex

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.90 Å

Oligo State

hetero-2-2-2-mer

Ligands

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.1: 1 residues within 4Å: Chain C: N.125 No protein-ligand interaction detected (PLIP) NAG-NAG.3: 1 residues within 4Å: Chain F: N.125 No protein-ligand interaction detected (PLIP)

2 x NAG- FUC: alpha-L-fucopyranose-(1-6)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-FUC.2: 5 residues within 4Å: Chain C: K.119, N.232, F.233, T.234, E.235 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:N.232, C:K.119, C:K.119 Hydrophobic interactions: C:E.235 NAG-FUC.4: 4 residues within 4Å: Chain E: R.104 Chain F: N.232, F.233, E.235 1 PLIP interactions: 1 interactions with chain F Hydrogen bonds: F:N.232 Hydrophobic interactions: F:E.235

4 x HEM: PROTOPORPHYRIN IX CONTAINING FE(Non-covalent)

HEM.5: 19 residues within 4Å: Chain A: M.32, T.39, Y.42, F.43, H.45, F.46, H.58, K.61, A.65, L.83, L.86, H.87, L.91, V.93, N.97, F.98, L.101, L.136 Ligands: OXY.6 15 PLIP interactions: 15 interactions with chain A, Hydrophobic interactions: A:Y.42, A:Y.42, A:F.43, A:A.65, A:L.83, A:L.91, A:V.93, A:F.98, A:L.101, A:L.101, A:L.136 Salt bridges: A:H.45, A:K.61 pi-Stacking: A:H.58 Metal complexes: A:H.87 HEM.7: 20 residues within 4Å: Chain B: T.38, F.41, F.42, F.45, H.63, K.66, V.67, S.70, F.71, L.88, L.91, H.92, L.96, V.98, N.102, F.103, L.106, V.137, L.141 Ligands: OXY.8 22 PLIP interactions: 22 interactions with chain B, Hydrophobic interactions: B:T.38, B:F.41, B:F.41, B:F.42, B:F.42, B:K.66, B:V.67, B:V.67, B:F.71, B:L.88, B:L.88, B:L.96, B:L.96, B:V.98, B:N.102, B:F.103, B:V.137, B:L.141 Salt bridges: B:K.66 pi-Stacking: B:H.63 pi-Cation interactions: B:H.92 Metal complexes: B:H.92 HEM.11: 19 residues within 4Å: Chain D: M.32, T.39, Y.42, F.43, H.45, F.46, H.58, K.61, A.65, L.83, L.86, H.87, L.91, V.93, N.97, F.98, L.101, L.136 Ligands: OXY.12 17 PLIP interactions: 17 interactions with chain D, Hydrophobic interactions: D:Y.42, D:Y.42, D:F.43, D:A.65, D:L.83, D:L.83, D:L.91, D:L.91, D:V.93, D:F.98, D:L.101, D:L.101, D:L.136 Salt bridges: D:H.45, D:K.61 pi-Stacking: D:H.58 Metal complexes: D:H.87 HEM.13: 20 residues within 4Å: Chain E: T.38, F.41, F.42, F.45, H.63, K.66, V.67, S.70, F.71, L.88, L.91, H.92, L.96, V.98, N.102, F.103, L.106, V.137, L.141 Ligands: OXY.14 23 PLIP interactions: 23 interactions with chain E, Hydrophobic interactions: E:T.38, E:F.41, E:F.41, E:F.42, E:F.42, E:K.66, E:V.67, E:V.67, E:F.71, E:L.88, E:L.88, E:L.91, E:L.96, E:L.96, E:V.98, E:N.102, E:F.103, E:V.137, E:L.141 Salt bridges: E:K.66 pi-Stacking: E:H.63, E:H.92 Metal complexes: E:H.92

4 x OXY: OXYGEN MOLECULE(Non-covalent)

OXY.6: 5 residues within 4Å: Chain A: F.43, H.58, V.62, H.87 Ligands: HEM.5 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:H.58 OXY.8: 4 residues within 4Å: Chain B: H.63, V.67, H.92 Ligands: HEM.7 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:H.63 OXY.12: 5 residues within 4Å: Chain D: F.43, H.58, V.62, H.87 Ligands: HEM.11 1 PLIP interactions: 1 interactions with chain D Hydrogen bonds: D:H.58 OXY.14: 4 residues within 4Å: Chain E: H.63, V.67, H.92 Ligands: HEM.13 1 PLIP interactions: 1 interactions with chain E Hydrogen bonds: E:H.63

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

NAG.9: 2 residues within 4Å: Chain C: N.151, D.152 1 PLIP interactions: 1 interactions with chain C Hydrophobic interactions: C:D.152 NAG.10: 2 residues within 4Å: Chain C: R.146, N.183 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:N.183 NAG.15: 1 residues within 4Å: Chain F: N.151 No protein-ligand interaction detected (PLIP) NAG.16: 2 residues within 4Å: Chain F: N.151, N.183 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Andersen, C.B. et al., Structure of the haptoglobin-haemoglobin complex. Nature (2012)

Release Date

2012-08-29

Peptides

Hemoglobin subunit alpha: AD
Hemoglobin subunit beta: BE
Haptoglobin: CF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

D
D

B
B

E
E

C
C

F
F

Hemoglobin subunit alpha

Hemoglobin subunit beta

Haptoglobin

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