SMTL ID : 7dvr.1

Crystal structure of heme sensor protein PefR from Streptococcus agalactiae in complex with heme

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 11 residues within 4Å: Chain A: L.15, A.32, L.110, H.114, M.117, L.118, K.123 Chain B: M.1, E.2, P.4, L.136 7 PLIP interactions: 5 interactions with chain A, 2 interactions with chain B, Hydrophobic interactions: A:L.15, A:L.110, A:L.118, B:P.4, B:L.136 Salt bridges: A:K.123 Metal complexes: A:H.114 HEM.3: 11 residues within 4Å: Chain A: M.1, E.2, P.4, L.136 Chain B: L.15, A.32, L.110, H.114, M.117, L.118, K.123 7 PLIP interactions: 5 interactions with chain B, 2 interactions with chain A, Hydrophobic interactions: B:L.15, B:L.110, B:L.118, A:P.4, A:L.136 Salt bridges: B:K.123 Metal complexes: B:H.114

2 x CO: COBALT (II) ION(Non-covalent)

CO.2: 2 residues within 4Å: Chain A: S.84, K.85 No protein-ligand interaction detected (PLIP) CO.4: 2 residues within 4Å: Chain B: S.84, K.85 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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