SMTL ID : 2cnu.1

Atomic resolution structure of SAICAR-synthase from Saccharomyces cerevisiae complexed with aspartic acid

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.05 Å

Oligo State

monomer

Ligands

3 x ASP: ASPARTIC ACID(Non-covalent)

ASP.1: 6 residues within 4Å: Chain A: S.40, A.41, Y.42, D.43, K.260, R.264 15 PLIP interactions: 11 interactions with chain A, 4 Ligand-Ligand interactions Hydrogen bonds: A:Y.42, A:D.43, D.1, D.1, D.1, D.1 Water bridges: A:P.238, A:D.239, A:D.239, A:K.260, A:K.260, A:R.264 Salt bridges: A:K.260, A:K.260, A:R.264 ASP.2: 5 residues within 4Å: Chain A: V.183, G.184, E.185, D.186, L.187 10 PLIP interactions: 7 interactions with chain A, 3 Ligand-Ligand interactions Hydrophobic interactions: A:D.186 Hydrogen bonds: A:E.185, A:E.185, A:E.185, A:D.186, A:D.186, A:L.187, D.2 Water bridges: D.2, D.2 ASP.3: 5 residues within 4Å: Chain A: R.73, N.74, L.76, D.78, H.110 8 PLIP interactions: 2 Ligand-Ligand interactions, 6 interactions with chain A Hydrogen bonds: D.3, D.3 Hydrophobic interactions: A:R.73 Water bridges: A:N.74 Salt bridges: A:R.73, A:R.73, A:H.110, A:H.112

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

SO4.4: 4 residues within 4Å: Chain A: G.18, K.19, V.20, R.21 9 PLIP interactions: 9 interactions with chain A Hydrogen bonds: A:K.19, A:V.20, A:R.21 Water bridges: A:G.18, A:G.18, A:R.21, A:R.21 Salt bridges: A:R.21, A:K.164 SO4.5: 5 residues within 4Å: Chain A: R.122, T.126, G.127, S.128, R.242 9 PLIP interactions: 9 interactions with chain A Hydrogen bonds: A:S.128, A:S.128 Water bridges: A:S.128, A:S.128, A:N.173, A:R.242, A:R.242 Salt bridges: A:R.122, A:R.242 SO4.6: 3 residues within 4Å: Chain A: R.289, W.304, S.305 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:S.305 Water bridges: A:R.289, A:R.289, A:R.289 Salt bridges: A:R.289 SO4.7: 3 residues within 4Å: Chain A: Y.42, Q.261, R.264 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:Y.42, A:Q.261 Water bridges: A:Y.42, A:Q.261, A:R.264, A:T.268 Salt bridges: A:R.264 SO4.8: 7 residues within 4Å: Chain A: T.126, R.242, W.244, Q.255, D.256, S.257, R.264 10 PLIP interactions: 10 interactions with chain A Hydrogen bonds: A:Q.255 Water bridges: A:T.126, A:T.126, A:R.242, A:S.257, A:R.264, A:R.264, A:R.264 Salt bridges: A:R.242, A:R.264 SO4.9: 5 residues within 4Å: Chain A: K.19, D.43, V.44, I.45, N.276 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:I.45, A:I.45, A:N.276 Water bridges: A:K.19, A:K.19 Salt bridges: A:K.19 SO4.10: 2 residues within 4Å: Chain A: W.130, V.134 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Urusova, D.V. et al., Saicar Synthase: Substrate Recognition, Conformational Flexibility and Catalysis. To be Published

Release Date

2006-06-07

Peptides

PHOSPHORIBOSYLAMINOIMIDAZOLE-SUCCINOCARBOXAMIDE SYNTHASE: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

PHOSPHORIBOSYLAMINOIMIDAZOLE-SUCCINOCARBOXAMIDE SYNTHASE

Related Entries With Identical Sequence