SMTL ID : 1ecb.2 (3 other biounits)

ESCHERICHIA COLI GLUTAMINE PHOSPHORIBOSYLPYROPHOSPHATE (PRPP) AMIDOTRANSFERASE COMPLEXED WITH 2 GMP, 1 MG PER SUBUNIT

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.70 Å

Oligo State

homo-dimer

Ligands

2 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 3 residues within 4Å: Chain A: D.366, D.367 Ligands: 5GP.2 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.366, A:D.367, H2O.1, H2O.1 MG.4: 3 residues within 4Å: Chain B: D.366, D.367 Ligands: 5GP.5 5 PLIP interactions: 3 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:D.366, B:D.367, B:D.367, H2O.1, H2O.1

4 x 5GP: GUANOSINE-5'-MONOPHOSPHATE(Non-covalent)

5GP.2: 14 residues within 4Å: Chain A: Y.74, F.254, Y.258, D.366, D.367, S.368, V.370, R.371, G.372, T.373, T.374, S.375 Ligands: MG.1, 5GP.3 12 PLIP interactions: 12 interactions with chain A Hydrogen bonds: A:Y.74, A:S.368, A:S.368, A:S.368, A:V.370, A:R.371, A:G.372, A:T.374, A:T.374 Water bridges: A:T.304, A:T.304 pi-Stacking: A:Y.258 5GP.3: 16 residues within 4Å: Chain A: H.25, Y.258, A.260, R.261, P.262, R.275, P.302, E.303, T.304, K.326, D.367 Chain B: V.325, K.326, N.327, R.328 Ligands: 5GP.2 20 PLIP interactions: 12 interactions with chain A, 8 interactions with chain B Hydrogen bonds: A:Y.258, A:Y.258, A:R.261, A:R.275, A:P.302, A:E.303, A:E.303, A:T.304, A:T.304, A:T.304, B:K.326, B:K.326, B:K.326, B:R.328, B:R.328, B:R.328 Salt bridges: A:E.303, A:K.326 Water bridges: B:Y.329 pi-Cation interactions: B:R.328 5GP.5: 15 residues within 4Å: Chain B: Y.74, F.254, Y.258, D.366, D.367, S.368, I.369, V.370, R.371, G.372, T.373, T.374, S.375 Ligands: MG.4, 5GP.6 9 PLIP interactions: 9 interactions with chain B Hydrogen bonds: B:Y.74, B:S.368, B:V.370, B:R.371, B:G.372, B:T.374, B:T.374 pi-Stacking: B:Y.258 pi-Cation interactions: B:Y.258 5GP.6: 16 residues within 4Å: Chain A: V.325, K.326, N.327, R.328 Chain B: H.25, Y.258, A.260, R.261, P.262, R.275, P.302, E.303, T.304, K.326, D.367 Ligands: 5GP.5 20 PLIP interactions: 8 interactions with chain A, 12 interactions with chain B Hydrogen bonds: A:K.326, A:K.326, A:K.326, A:R.328, A:R.328, A:R.328, B:Y.258, B:A.260, B:R.261, B:R.275, B:R.275, B:P.302, B:E.303, B:E.303, B:T.304, B:T.304 Water bridges: A:Y.329 pi-Cation interactions: A:R.328 Salt bridges: B:E.303, B:K.326

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Krahn, J.M. et al., Coupled formation of an amidotransferase interdomain ammonia channel and a phosphoribosyltransferase active site. Biochemistry (1997)

Release Date

1998-04-15

Peptides

GLUTAMINE PHOSPHORIBOSYLPYROPHOSPHATE AMIDOTRANSFERASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

GLUTAMINE PHOSPHORIBOSYLPYROPHOSPHATE AMIDOTRANSFERASE

Related Entries With Identical Sequence