SMTL ID : 2ji2.1 (1 other biounit)

X-ray structure of E114A mutant of superoxide reductase from Desulfoarculus baarsii in the native, reduced form

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

homo-dimer

Ligands

2 x FE: FE (III) ION(Non-covalent)

FE.1: 5 residues within 4Å: Chain A: C.10, C.13, C.29, C.30 Chain B: G.25 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:C.10, A:C.13, A:C.29, A:C.30 FE.4: 5 residues within 4Å: Chain A: G.25 Chain B: C.10, C.13, C.29, C.30 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:C.10, B:C.13, B:C.29, B:C.30

2 x NO3: NITRATE ION(Non-functional Binders)

NO3.2: 7 residues within 4Å: Chain A: K.48, H.49, H.69, P.70, H.75, H.119 Ligands: FE2.3 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:K.48 NO3.5: 7 residues within 4Å: Chain B: K.48, H.49, H.69, P.70, H.75, H.119 Ligands: FE2.7 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:K.48 Water bridges: B:H.119

2 x FE2: FE (II) ION(Non-covalent)

FE2.3: 6 residues within 4Å: Chain A: H.49, H.69, H.75, C.116, H.119 Ligands: NO3.2 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:H.49, A:H.69, A:H.75, A:C.116, A:H.119 FE2.7: 6 residues within 4Å: Chain B: H.49, H.69, H.75, C.116, H.119 Ligands: NO3.5 5 PLIP interactions: 5 interactions with chain B Metal complexes: B:H.49, B:H.69, B:H.75, B:C.116, B:H.119

1 x CA: CALCIUM ION(Non-covalent)

CA.6: 3 residues within 4Å: Chain A: T.90 Chain B: E.18, T.90 5 PLIP interactions: 2 interactions with chain B, 3 Ligand-Water interactions Metal complexes: B:E.18, B:E.18, H2O.1, H2O.11, H2O.12

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Katona, G. et al., Raman-assisted crystallography reveals end-on peroxide intermediates in a nonheme iron enzyme. Science (2007)

Release Date

2007-05-01

Peptides

Desulfoferrodoxin: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Desulfoferrodoxin

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