SMTL ID : 1ag9.1

FLAVODOXINS THAT ARE REQUIRED FOR ENZYME ACTIVATION: THE STRUCTURE OF OXIDIZED FLAVODOXIN FROM ESCHERICHIA COLI AT 1.8 ANGSTROMS RESOLUTION.

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

homo-dimer

Ligands

4 x CA: CALCIUM ION(Non-covalent)(Non-functional Binders)

CA.1: 3 residues within 4Å: Chain A: Y.58, E.60 Chain B: D.66 5 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B, 2 Ligand-Water interactions Metal complexes: A:Y.58, A:E.60, B:D.66, H2O.1, H2O.1 CA.2: 1 residues within 4Å: Ligands: BTB.7 No protein-ligand interaction detected (PLIP) CA.8: 3 residues within 4Å: Chain A: D.66 Chain B: Y.58, E.60 6 PLIP interactions: 1 interactions with chain A, 2 interactions with chain B, 3 Ligand-Water interactions Metal complexes: A:D.66, B:Y.58, B:E.60, H2O.1, H2O.7, H2O.7 CA.9: 2 residues within 4Å: Chain B: R.147 Ligands: BTB.14 No protein-ligand interaction detected (PLIP)

2 x CL: CHLORIDE ION(Non-functional Binders)

CL.3: 3 residues within 4Å: Chain A: E.60, A.61, T.103 Ligand excluded by PLIP CL.10: 3 residues within 4Å: Chain B: E.60, A.61, T.103 Ligand excluded by PLIP

4 x NA: SODIUM ION(Non-functional Binders)

NA.4: 2 residues within 4Å: Chain A: E.60 Chain B: D.66 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:D.66 NA.5: 2 residues within 4Å: Chain A: D.66 Chain B: E.60 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:E.60 NA.11: 1 residues within 4Å: Chain B: D.42 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:D.42 NA.12: 1 residues within 4Å: Chain B: A.45 2 PLIP interactions: 2 interactions with chain B Water bridges: B:A.45, B:A.45

2 x FMN: FLAVIN MONONUCLEOTIDE(Non-covalent)

FMN.6: 20 residues within 4Å: Chain A: S.9, D.10, T.11, G.12, N.13, T.14, P.54, T.55, W.56, Y.57, Y.58, G.59, C.87, G.88, D.89, Y.93, Y.96, F.97, C.98, D.146 23 PLIP interactions: 23 interactions with chain A Hydrophobic interactions: A:W.56, A:W.56, A:Y.93, A:Y.93 Hydrogen bonds: A:D.10, A:T.11, A:T.11, A:N.13, A:T.14, A:T.14, A:T.55, A:T.55, A:Y.58, A:D.89, A:Y.96, A:C.98, A:D.146 Water bridges: A:G.88, A:G.88, A:D.146, A:D.146, A:D.146 pi-Stacking: A:Y.93 FMN.13: 20 residues within 4Å: Chain B: S.9, D.10, T.11, G.12, N.13, T.14, P.54, T.55, W.56, Y.57, Y.58, G.59, C.87, G.88, D.89, Y.93, Y.96, F.97, C.98, D.146 21 PLIP interactions: 21 interactions with chain B Hydrophobic interactions: B:W.56, B:W.56, B:Y.93 Hydrogen bonds: B:D.10, B:T.11, B:T.11, B:N.13, B:T.14, B:T.14, B:T.55, B:T.55, B:Y.58, B:D.89, B:Y.96, B:C.98, B:D.146 Water bridges: B:G.88, B:D.146, B:D.146, B:D.146 pi-Stacking: B:Y.93

2 x BTB: 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL(Non-covalent)

BTB.7: 6 residues within 4Å: Chain A: N.16, M.20, E.145, T.152, A.153 Ligands: CA.2 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:A.153 Water bridges: A:N.16, A:N.16, A:K.19, A:E.145, A:P.149, A:T.152 BTB.14: 4 residues within 4Å: Chain B: R.147, P.149, E.150 Ligands: CA.9 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:R.147 Salt bridges: B:E.150

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Hoover, D.M. et al., A flavodoxin that is required for enzyme activation: the structure of oxidized flavodoxin from Escherichia coli at 1.8 A resolution. Protein Sci. (1997)

Release Date

1997-12-24

Peptides

FLAVODOXIN: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

FLAVODOXIN

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