SMTL ID : 3ddr.2 (1 other biounit)

Structure of the Serratia marcescens hemophore receptor HasR-Ile671Gly mutant in complex with its hemophore HasA and heme

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.80 Å

Oligo State

hetero-1-1-mer

Ligands

1 x NA: SODIUM ION(Non-functional Binders)

NA.1: 2 residues within 4Å: Chain A: H.189, H.603 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:H.603

5 x GOL: GLYCEROL(Non-functional Binders)

GOL.2: 3 residues within 4Å: Chain A: A.276, R.327, L.328 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:L.328 GOL.3: 1 residues within 4Å: Chain A: Y.863 No protein-ligand interaction detected (PLIP) GOL.4: 3 residues within 4Å: Chain A: D.118, R.454, D.496 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:D.118, A:R.454 GOL.5: 2 residues within 4Å: Chain A: H.248, S.261 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:H.248 GOL.6: 4 residues within 4Å: Chain A: H.321, P.353, R.373, Y.376 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.373, A:R.373, A:Y.376

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

HEM.7: 14 residues within 4Å: Chain A: H.603, S.605, G.671, G.672 Chain B: S.60, F.63, Y.73, Y.93, H.101, L.103, H.146, H.151, Y.155, M.158 12 PLIP interactions: 1 interactions with chain A, 11 interactions with chain B, Salt bridges: A:H.603 Hydrophobic interactions: B:F.63, B:Y.73, B:Y.93, B:L.103, B:Y.155, B:Y.155, B:Y.155 pi-Stacking: B:Y.93, B:H.101, B:H.101 Metal complexes: B:Y.93

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Krieg, S. et al., Heme uptake across the outer membrane as revealed by crystal structures of the receptor-hemophore complex. Proc.Natl.Acad.Sci.USA (2009)

Release Date

2009-01-20

Peptides

HasR protein: A
Hemophore HasA: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
D

Membrane

We predict this structure to be a membrane protein.
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HasR protein

Hemophore HasA

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