SMTL ID : 9mmi.1 (1 other biounit)

Myo-inositol-1(or 4)-monophosphatase that can perform essential dephosphorylation step to facilitate riboflavin biosynthesis

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

homo-dimer

Ligands

8 x MPD: (4S)-2-METHYL-2,4-PENTANEDIOL(Non-functional Binders)

MPD.1: 12 residues within 4Å: Chain A: I.100, L.120, F.123, K.125, Y.127, V.192, M.196, E.199, I.201 Chain B: F.98, P.99, F.123 4 PLIP interactions: 3 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:L.120, A:I.201, B:P.99 Hydrogen bonds: A:K.125 MPD.2: 8 residues within 4Å: Chain A: V.68, F.84, K.211, P.212, W.213, F.236, G.237 Ligands: MPD.3 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:W.213 Hydrogen bonds: A:F.236 MPD.3: 7 residues within 4Å: Chain A: E.66, V.68, A.74, R.82, F.84, F.236 Ligands: MPD.2 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:R.82, A:F.236 MPD.4: 12 residues within 4Å: Chain A: F.84, V.108, E.111, P.113, P.212, I.215, T.216, L.219, Y.229, L.231, P.235, F.236 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:V.108, A:I.215, A:T.216, A:L.231, A:P.235 MPD.8: 9 residues within 4Å: Chain B: V.68, F.84, K.211, P.212, W.213, F.236, G.237, V.238 Ligands: MPD.10 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:W.213 Hydrogen bonds: B:F.236 MPD.9: 13 residues within 4Å: Chain A: F.98, P.99, I.100, F.123 Chain B: I.100, L.120, F.123, K.125, Y.127, V.192, M.196, E.199, I.201 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:F.123, B:K.125, B:I.201 MPD.10: 7 residues within 4Å: Chain B: E.66, V.68, A.74, R.82, F.84, F.236 Ligands: MPD.8 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:A.74, B:F.236 MPD.11: 11 residues within 4Å: Chain B: F.84, V.108, E.111, P.113, P.212, I.215, T.216, L.219, L.231, P.235, F.236 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:V.108, B:I.215, B:T.216, B:L.231, B:P.235

4 x MG: MAGNESIUM ION(Non-covalent)

MG.5: 8 residues within 4Å: Chain A: E.70, D.86, P.87, L.88, D.89, T.91 Ligands: MG.6, PO4.7 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.70, A:D.86, A:D.86, A:L.88, H2O.1 MG.6: 6 residues within 4Å: Chain A: D.86, D.89, W.213, D.214 Ligands: MG.5, PO4.7 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.86, A:D.89, A:D.214, H2O.3 MG.12: 8 residues within 4Å: Chain B: E.70, D.86, P.87, L.88, D.89, T.91 Ligands: MG.13, PO4.14 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:E.70, B:D.86, B:D.86, B:L.88, H2O.6 MG.13: 6 residues within 4Å: Chain B: D.86, D.89, W.213, D.214 Ligands: MG.12, PO4.14 4 PLIP interactions: 3 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.86, B:D.89, B:D.214, H2O.7

2 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.7: 9 residues within 4Å: Chain A: E.70, D.86, L.88, D.89, G.90, T.91, K.92 Ligands: MG.5, MG.6 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:G.90, A:T.91, A:T.91 Water bridges: A:F.42, A:E.70, A:L.88 PO4.14: 9 residues within 4Å: Chain B: E.70, D.86, L.88, D.89, G.90, T.91, K.92 Ligands: MG.12, MG.13 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:G.90, B:T.91 Water bridges: B:F.42, B:E.70, B:L.88

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Hoffpauir, Z.A. et al., Identification of the phosphatase essential for riboflavin biosynthesis in Aquifex aeolicus. J.Biol.Chem. (2025)

Release Date

2025-04-09

Peptides

Fructose-1,6-bisphosphatase/inositol-1-monophosphatase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Fructose-1,6-bisphosphatase/inositol-1-monophosphatase

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