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SMTL ID : 6tb2.1

Structure of human haptoglobin-hemoglobin bound to S. aureus IsdH

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.90 Å

Oligo State

hetero-1-1-1-2-mer

Ligands

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

HEM.1:

21 residues within 4Å:

Chain A: Y.42, F.43, H.45, F.46, 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
Chain D: I.339, A.341, E.342

20 PLIP interactions:

19 interactions with chain A, 1 interactions with chain D,

Hydrophobic interactions: A:Y.42, A:Y.42, A:F.43, A:F.43, A:F.46, A:V.62, A:L.83, A:L.86, A:L.91, A:V.93, A:N.97, A:F.98, A:F.98, A:V.132, A:L.136
Salt bridges: A:H.45
pi-Stacking: A:H.58, A:H.58
Metal complexes: A:H.87
Hydrogen bonds: D:Y.345

HEM.2:

17 residues within 4Å:

Chain B: T.38, F.41, 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, L.141
Chain E: Y.345

16 PLIP interactions:

16 interactions with chain B,

Hydrophobic interactions: B:T.38, B:K.66, B:K.66, B:V.67, B:A.70, B:F.71, B:L.88, B:L.91, B:L.96, B:V.98, B:F.103, B:F.103, B:L.141
Hydrogen bonds: B:H.63
Salt bridges: B:K.66
Metal complexes: B:H.92

Links

RCSB PDBe PDBe-KB PDBj PDBsum CATH PLIP

Citation

Mikkelsen, J.H. et al., Haptoglobin is an inhibitor of Staphylococcus aureus IsdH-mediated heme-sequestering. To Be Published

Release Date

2019-12-18

Peptides

Hemoglobin subunit alpha: A
Hemoglobin subunit beta: B
Haptoglobin: C
Cell wall surface anchor family protein: DE

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

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

Cell wall surface anchor family protein

Toggle Identical (DE)

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