SMTL ID : 3fsu.1

Crystal Structure of Escherichia coli Methylenetetrahydrofolate Reductase Double Mutant Phe223LeuGlu28Gln complexed with methyltetrahydrofolate

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

homo-tetramer

Ligands

4 x FAD: FLAVIN-ADENINE DINUCLEOTIDE(Non-covalent)

FAD.1: 24 residues within 4Å: Chain A: T.59, Y.60, A.62, H.88, T.90, L.117, R.118, G.119, D.120, Y.131, A.132, A.150, Y.152, H.156, E.158, A.159, D.165, N.168, R.171, K.172, I.181, Q.183, Y.275 Ligands: C2F.2 29 PLIP interactions: 29 interactions with chain A Hydrophobic interactions: A:L.117, A:A.150, A:I.181 Hydrogen bonds: A:Y.60, A:Y.60, A:A.62, A:R.118, A:R.118, A:G.119, A:D.120, A:D.120, A:D.120, A:A.132, A:Y.152, A:Y.152, A:H.156, A:D.165, A:D.165, A:N.168, A:R.171 Water bridges: A:S.133, A:A.150, A:N.168, A:R.171, A:Q.183 Salt bridges: A:K.172, A:K.172 pi-Stacking: A:Y.131, A:Y.131 FAD.3: 24 residues within 4Å: Chain B: T.59, Y.60, A.62, H.88, T.90, L.117, R.118, G.119, D.120, Y.131, A.132, A.150, Y.152, H.156, E.158, A.159, D.165, N.168, R.171, K.172, I.181, Q.183, Y.275 Ligands: C2F.4 28 PLIP interactions: 28 interactions with chain B Hydrophobic interactions: B:L.117, B:A.150, B:I.181 Hydrogen bonds: B:Y.60, B:Y.60, B:A.62, B:H.88, B:R.118, B:R.118, B:G.119, B:D.120, B:D.120, B:A.132, B:Y.152, B:Y.152, B:H.156, B:D.165, B:N.168, B:R.171 Water bridges: B:S.133, B:A.150, B:N.168, B:R.171, B:Q.183 Salt bridges: B:K.172, B:K.172 pi-Stacking: B:Y.131, B:Y.131 FAD.5: 22 residues within 4Å: Chain C: T.59, Y.60, H.88, L.117, R.118, G.119, D.120, Y.131, A.132, A.150, Y.152, H.156, E.158, A.159, D.165, N.168, R.171, K.172, I.181, Q.183, Y.275 Ligands: MRY.6 33 PLIP interactions: 33 interactions with chain C Hydrophobic interactions: C:L.117, C:A.150, C:I.181 Hydrogen bonds: C:Y.60, C:Y.60, C:H.88, C:R.118, C:R.118, C:R.118, C:G.119, C:D.120, C:D.120, C:A.132, C:Y.152, C:Y.152, C:H.156, C:D.165, C:N.168, C:R.171 Water bridges: C:D.120, C:D.120, C:S.133, C:S.133, C:A.150, C:K.160, C:N.168, C:R.171, C:R.171 Salt bridges: C:R.118, C:K.172, C:K.172 pi-Stacking: C:Y.131, C:Y.131 FAD.7: 24 residues within 4Å: Chain D: T.59, Y.60, H.88, T.90, L.117, R.118, G.119, D.120, Y.131, A.132, A.150, Y.152, H.156, E.158, A.159, D.165, N.168, R.171, K.172, I.181, T.182, Q.183, Y.275 Ligands: C2F.8 26 PLIP interactions: 26 interactions with chain D Hydrophobic interactions: D:L.117, D:A.150, D:I.181 Hydrogen bonds: D:Y.60, D:Y.60, D:H.88, D:R.118, D:R.118, D:G.119, D:D.120, D:D.120, D:D.120, D:A.132, D:Y.152, D:Y.152, D:H.156, D:D.165, D:D.165, D:N.168, D:R.171 Water bridges: D:A.150, D:Q.183 Salt bridges: D:K.172, D:K.172 pi-Stacking: D:Y.131, D:Y.131

3 x C2F: 5-METHYL-5,6,7,8-TETRAHYDROFOLIC ACID(Non-covalent)

C2F.2: 15 residues within 4Å: Chain A: Q.28, T.59, D.120, Q.183, L.212, S.215, N.216, Q.219, A.220, L.223, T.227, Y.275, L.277, R.279 Ligands: FAD.1 16 PLIP interactions: 16 interactions with chain A Hydrophobic interactions: A:L.212, A:N.216, A:L.223, A:L.277, A:L.277 Hydrogen bonds: A:Q.183, A:Q.183, A:Q.219 Water bridges: A:Q.28, A:H.156, A:S.215, A:S.215, A:N.216, A:R.279 Salt bridges: A:D.120, A:R.279 C2F.4: 15 residues within 4Å: Chain B: Q.28, T.59, D.120, Q.183, L.212, S.215, N.216, Q.219, A.220, L.223, T.227, Y.275, L.277, R.279 Ligands: FAD.3 16 PLIP interactions: 16 interactions with chain B Hydrophobic interactions: B:L.212, B:N.216, B:L.223, B:L.277, B:L.277 Hydrogen bonds: B:Q.183, B:Q.183, B:Q.219 Water bridges: B:Q.28, B:H.156, B:S.215, B:S.215, B:N.216, B:R.279 Salt bridges: B:D.120, B:R.279 C2F.8: 13 residues within 4Å: Chain D: Q.28, T.59, D.120, Q.183, S.215, Q.219, A.220, L.223, T.227, Y.275, L.277, R.279 Ligands: FAD.7 12 PLIP interactions: 12 interactions with chain D Hydrophobic interactions: D:L.223, D:L.277, D:L.277 Hydrogen bonds: D:Q.183, D:Q.183, D:Q.219 Water bridges: D:Q.28, D:S.215, D:N.216, D:R.279 Salt bridges: D:D.120, D:R.279

1 x MRY: MESO-ERYTHRITOL(Non-covalent)

MRY.6: 6 residues within 4Å: Chain C: Q.28, Q.183, F.184, Y.275, L.277 Ligands: FAD.5 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:Q.183 Water bridges: C:Q.28

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

SO4.9: 4 residues within 4Å: Chain D: R.230, P.232, A.233, W.234 3 PLIP interactions: 3 interactions with chain D Hydrogen bonds: D:A.233, D:W.234 Salt bridges: D:R.230

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lee, M.N. et al., Functional role for the conformationally mobile phenylalanine 223 in the reaction of methylenetetrahydrofolate reductase from Escherichia coli. Biochemistry (2009)

Release Date

2009-08-25

Peptides

5,10-methylenetetrahydrofolate reductase: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

C
C

D
E

5,10-methylenetetrahydrofolate reductase