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SMTL ID : 4x0l.1

Human haptoglobin-haemoglobin complex

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.05 Å

Oligo State

hetero-1-1-1-mer

Ligands

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

NAG-FUC.1:

4 residues within 4Å:

Chain C: H.92, P.93, N.94, W.251

3 PLIP interactions:

3 interactions with chain C

Water bridges: C:Q.97, C:Q.97
Hydrophobic interactions: C:P.93, C:W.251
Hydrogen bonds: C:N.94

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

HEM.2:

18 residues within 4Å:

Chain A: Y.42, F.43, H.45, H.58, K.61, V.62, A.65, L.83, L.86, H.87, L.91, V.93, N.97, F.98, L.101, V.132, L.136
Ligands: OXY.3

17 PLIP interactions:

17 interactions with chain A,

Hydrophobic interactions: A:Y.42, A:F.43, A:F.43, A:V.62, A:L.83, A:L.86, A:L.91, A:V.93, A:F.98, A:F.98, A:V.132, A:L.136
Salt bridges: A:H.45, A:K.61
pi-Stacking: A:H.58, A:H.87
Metal complexes: A:H.87

HEM.4:

20 residues within 4Å:

Chain B: T.38, F.41, F.42, F.45, H.63, K.66, V.67, A.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.5

23 PLIP interactions:

23 interactions with chain B,

Hydrophobic interactions: B:T.38, B:F.41, B:F.42, B:F.42, B:F.42, B:V.67, B:V.67, B:A.70, B:F.71, B:L.88, B:L.91, B:L.96, B:V.98, B:V.98, B:N.102, B:F.103, B:L.106, B:V.137, B:L.141
Salt bridges: B:K.66
pi-Stacking: B:H.63, B:H.63
Metal complexes: B:H.92

2 x OXY: OXYGEN MOLECULE(Non-covalent)

OXY.3:	3 residues within 4Å: Chain A: H.58, V.62 Ligands: HEM.2 No protein-ligand interaction detected (PLIP)
OXY.5:	4 residues within 4Å: Chain B: H.63, V.67, H.92 Ligands: HEM.4 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:H.63

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.6:	7 residues within 4Å: Chain B: R.40, F.41, L.96, H.97 Chain C: V.12, Q.13 Ligands: SO4.7 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:R.40
GOL.8:	4 residues within 4Å: Chain C: P.93, N.94, Y.95, S.96 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:N.94, C:S.96

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

SO4.7:

7 residues within 4Å:

Chain B: R.40, H.97
Chain C: P.11, V.12, Q.13, H.19
Ligands: GOL.6

8 PLIP interactions:

5 interactions with chain C, 3 interactions with chain B

Hydrogen bonds: C:V.12, C:Q.13
Water bridges: C:L.20, C:L.20, B:R.40
Salt bridges: C:H.19, B:R.40, B:H.97

1 x CAC: CACODYLATE ION(Non-covalent)

CAC.9:

5 residues within 4Å:

Chain C: G.195, M.196, S.197, E.238, Y.239

3 PLIP interactions:

3 interactions with chain C

Hydrogen bonds: C:S.197, C:S.197, C:Y.239

Links

RCSB PDBe PDBe-KB PDBj PDBsum CATH PLIP

Citation

Lane-Serff, H. et al., Structural basis for ligand and innate immunity factor uptake by the trypanosome haptoglobin-haemoglobin receptor. Elife (2014)

Release Date

2014-12-24

Peptides

Hemoglobin subunit alpha: A
Hemoglobin subunit beta: B
Haptoglobin: C

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

Export Alignment

Secondary Structure
NoneDSSPPSIPREDSSpro

Colour Scheme

Fade MismatchesEnhance Mismatches

ChainUnique ChainRainbow2° StructureBfactorBfactor RangeSOAEntropyClustalHydrophobicSizeChargedPolarProlineSer/ThrCysteineAliphaticAromaticNo Colour

Background

3D Viewer
NGLPV2D

Hemoglobin subunit alpha

Hemoglobin subunit beta

Haptoglobin

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