SMTL ID : 2qd1.4 (3 other biounits)

2.2 Angstrom Structure of the human ferrochelatase variant E343K with substrate bound

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

monomer

Ligands

1 x FES: FE2/S2 (INORGANIC) CLUSTER(Non-covalent)

FES.1: 6 residues within 4Å: Chain A: C.132, R.208, S.338, C.339, C.342, C.347 4 PLIP interactions: 4 interactions with chain A, Metal complexes: A:C.132, A:C.339, A:C.342, A:C.347

3 x PP9: PROTOPORPHYRIN IX(Non-covalent)

PP9.2: 5 residues within 4Å: Chain A: P.38, F.46, R.50 Ligands: PP9.3, CHD.5 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:P.38, A:F.46 Salt bridges: A:R.50 PP9.3: 10 residues within 4Å: Chain A: P.38, F.46, I.47, R.50, R.51, G.242, P.243, M.244 Ligands: PP9.2, CHD.6 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:P.38, A:I.47, A:I.47 Salt bridges: A:R.50 pi-Stacking: A:F.46 PP9.4: 29 residues within 4Å: Chain A: N.11, M.12, G.13, G.14, F.24, L.25, L.28, F.29, L.34, M.35, R.51, I.55, Y.59, S.66, I.68, Y.127, S.133, T.134, H.199, L.201, P.202, Y.212, V.241, W.246, A.272, F.273, H.277, I.278, K.279 25 PLIP interactions: 25 interactions with chain A Hydrophobic interactions: A:F.24, A:L.25, A:L.28, A:L.28, A:F.29, A:M.35, A:Y.127, A:T.134, A:L.201, A:V.241, A:W.246, A:A.272, A:F.273, A:H.277, A:I.278 Hydrogen bonds: A:G.13, A:S.66, A:I.278, A:K.279 Salt bridges: A:R.51, A:K.54, A:H.277, A:K.279 pi-Stacking: A:H.199 pi-Cation interactions: A:K.279

2 x CHD: CHOLIC ACID(Non-covalent)

CHD.5: 3 residues within 4Å: Chain A: K.42, F.46 Ligands: PP9.2 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:K.42, A:F.46 CHD.6: 5 residues within 4Å: Chain A: R.51, V.241, G.242, P.243 Ligands: PP9.3 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:P.243 Hydrogen bonds: A:G.242 Water bridges: A:R.51 Salt bridges: A:R.51, A:K.54

1 x IMD: IMIDAZOLE(Non-covalent)

IMD.7: 4 residues within 4Å: Chain A: P.213, S.217, W.237, L.247 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:S.217

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Medlock, A.E. et al., A pi-Helix Switch Selective for Porphyrin Deprotonation and Product Release in Human Ferrochelatase. J.Mol.Biol. (2007)

Release Date

2007-10-30

Peptides

Ferrochelatase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
D

Ferrochelatase

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