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

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

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.70 Å

Oligo State

hetero-1-1-mer

Ligands

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

HEM.1: 19 residues within 4Å: Chain A: S.187, G.188, H.189, T.357, T.359, T.374, T.415, T.418, V.478, A.602, H.603, S.606, Q.608, I.659, A.674, F.756 Chain B: L.95, F.96, A.100 20 PLIP interactions: 17 interactions with chain A, 3 interactions with chain B, Hydrophobic interactions: A:T.374, A:T.415, A:V.478, A:A.602, A:Q.608, A:I.659, A:A.674, A:F.756, A:F.756, B:L.95, B:F.96, B:F.96 Hydrogen bonds: A:T.359 pi-Stacking: A:H.189, A:H.189, A:H.603, A:H.603 pi-Cation interactions: A:H.603 Metal complexes: A:H.189, A:H.603

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.2: 3 residues within 4Å: Chain A: A.276, R.327, Q.347 No protein-ligand interaction detected (PLIP) GOL.3: 1 residues within 4Å: Chain A: W.333 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:W.333

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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