SMTL ID : 7dvu.1

Crystal structure of heme sensor protein PefR in complex with heme and cyanide

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 13 residues within 4Å: Chain A: L.15, L.19, A.32, L.110, H.114, M.117, L.118, K.123, I.126 Chain B: M.1, E.2, P.4 Ligands: CYN.2 8 PLIP interactions: 7 interactions with chain A, 1 interactions with chain B, Hydrophobic interactions: A:L.15, A:L.19, A:L.110, A:L.118, A:I.126, B:M.1 Salt bridges: A:K.123 Metal complexes: A:H.114 HEM.3: 13 residues within 4Å: Chain A: M.1, E.2, P.4 Chain B: L.15, L.19, A.32, L.110, H.114, M.117, L.118, K.123, I.126 Ligands: CYN.4 8 PLIP interactions: 7 interactions with chain B, 1 interactions with chain A, Hydrophobic interactions: B:L.15, B:L.19, B:L.110, B:L.118, B:I.126, A:M.1 Salt bridges: B:K.123 Metal complexes: B:H.114

2 x CYN: CYANIDE ION(Non-covalent)

CYN.2: 2 residues within 4Å: Chain B: P.4 Ligands: HEM.1 No protein-ligand interaction detected (PLIP) CYN.4: 2 residues within 4Å: Chain A: P.4 Ligands: HEM.3 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Nishinaga, M. et al., Heme controls the structural rearrangement of its sensor protein mediating the hemolytic bacterial survival. Commun Biol (2021)

Release Date

2021-09-29

Peptides

HTH marR-type domain-containing protein: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

HTH marR-type domain-containing protein

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