SMTL ID : 2xj6.1

The structure of ferrous ascorbate peroxidase

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: 23 residues within 4Å: Chain A: P.33, L.36, R.37, W.40, P.131, A.133, L.140, F.144, L.158, S.159, G.161, H.162, I.164, G.165, A.166, A.167, H.168, R.171, S.172, W.178, L.204, S.206, Y.234 26 PLIP interactions: 25 interactions with chain A, 1 Ligand-Water interactions Hydrophobic interactions: A:L.36, A:L.36, A:W.40, A:W.40, A:W.40, A:P.131, A:P.131, A:A.133, A:L.140, A:F.144, A:F.144, A:L.158, A:A.167, A:W.178 Hydrogen bonds: A:A.166, A:H.168, A:R.171, A:S.172 Water bridges: A:R.37, A:H.168 Salt bridges: A:R.37, A:H.168, A:H.168 pi-Stacking: A:W.40 Metal complexes: A:H.162, H2O.4 HEM.5: 23 residues within 4Å: Chain B: P.33, L.36, R.37, W.40, P.131, A.133, L.140, F.144, L.158, S.159, G.161, H.162, I.164, G.165, A.166, A.167, H.168, R.171, S.172, W.178, L.204, S.206, Y.234 26 PLIP interactions: 25 interactions with chain B, 1 Ligand-Water interactions Hydrophobic interactions: B:L.36, B:L.36, B:W.40, B:W.40, B:W.40, B:P.131, B:P.131, B:A.133, B:L.140, B:F.144, B:F.144, B:L.158, B:A.167, B:W.178 Hydrogen bonds: B:A.166, B:H.168, B:R.171, B:S.172 Water bridges: B:R.37, B:H.168 Salt bridges: B:R.37, B:H.168, B:H.168 pi-Stacking: B:W.40 Metal complexes: B:H.162, H2O.17

4 x SO4: SULFATE ION(Non-functional Binders)

SO4.2: 3 residues within 4Å: Chain A: P.126, R.129 Chain B: P.126 2 PLIP interactions: 2 interactions with chain A Water bridges: A:T.50 Salt bridges: A:R.129 SO4.3: 5 residues within 4Å: Chain A: K.135, G.136, S.137, D.138, H.139 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:G.136, A:D.138, A:H.139 Water bridges: A:S.137, A:S.137, A:D.142 SO4.6: 3 residues within 4Å: Chain A: P.126 Chain B: P.126, R.129 2 PLIP interactions: 2 interactions with chain B Water bridges: B:R.129 Salt bridges: B:R.129 SO4.7: 5 residues within 4Å: Chain B: K.135, G.136, S.137, D.138, H.139 7 PLIP interactions: 7 interactions with chain B Hydrogen bonds: B:G.136, B:D.138, B:D.138, B:H.139 Water bridges: B:S.137, B:S.137, B:D.142

2 x K: POTASSIUM ION(Non-covalent)

K.4: 5 residues within 4Å: Chain A: T.163, T.179, N.181, I.184, D.186 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:T.163, A:T.179, A:N.181, A:I.184, A:D.186 K.8: 5 residues within 4Å: Chain B: T.163, T.179, N.181, I.184, D.186 5 PLIP interactions: 5 interactions with chain B Metal complexes: B:T.163, B:T.179, B:N.181, B:I.184, B:D.186

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Gumiero, A. et al., Nature of the ferryl heme in compounds I and II. J. Biol. Chem. (2011)

Release Date

2010-07-14

Peptides

ASCORBATE PEROXIDASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

ASCORBATE PEROXIDASE

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