SMTL ID : 5gy7.1

X-Ray structure of H243I mutant of UDP-Galactose 4-epimerase from E.coli:evidence for existence of open and closed active site during catalysis.

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.43 Å

Oligo State

homo-dimer

Ligands

2 x UDP: URIDINE-5'-DIPHOSPHATE(Non-covalent)

UDP.1: 16 residues within 4Å: Chain A: V.86, N.179, N.198, N.199, L.200, L.215, A.216, I.217, F.218, G.229, R.231, Y.233, V.269, R.292, D.295, Y.299 20 PLIP interactions: 20 interactions with chain A Hydrophobic interactions: A:L.200 Hydrogen bonds: A:N.179, A:N.198, A:N.199, A:L.200, A:A.216, A:F.218 Water bridges: A:M.201, A:G.229, A:R.231, A:R.231, A:R.292, A:R.292, A:R.292, A:R.292, A:R.292 Salt bridges: A:R.231, A:R.292, A:R.292 pi-Stacking: A:F.218 UDP.4: 16 residues within 4Å: Chain B: V.86, N.179, N.198, N.199, L.200, L.215, A.216, I.217, F.218, G.229, R.231, Y.233, V.269, R.292, D.295, Y.299 18 PLIP interactions: 18 interactions with chain B Hydrogen bonds: B:N.179, B:N.199, B:L.200, B:A.216, B:F.218 Water bridges: B:K.84, B:M.201, B:G.229, B:R.231, B:R.231, B:R.292, B:R.292, B:D.295, B:Y.299 Salt bridges: B:R.231, B:R.292, B:R.292 pi-Stacking: B:F.218

2 x NAD: NICOTINAMIDE-ADENINE-DINUCLEOTIDE(Non-covalent)

NAD.2: 28 residues within 4Å: Chain A: G.7, S.9, G.10, Y.11, I.12, D.31, N.32, L.33, C.34, N.35, S.36, G.57, D.58, I.59, R.60, F.80, A.81, G.82, K.84, N.99, S.122, S.123, S.124, Y.149, K.153, Y.177, F.178, P.180 31 PLIP interactions: 31 interactions with chain A Hydrophobic interactions: A:Y.177 Hydrogen bonds: A:G.7, A:Y.11, A:I.12, A:N.32, A:N.32, A:L.33, A:C.34, A:N.35, A:N.35, A:S.36, A:S.36, A:I.59, A:R.60, A:F.80, A:G.82, A:K.84, A:K.84, A:N.99, A:S.122, A:K.153 Water bridges: A:G.10, A:G.13, A:N.35, A:L.83, A:K.84, A:N.99, A:K.153, A:E.191 Salt bridges: A:K.84, A:K.84 NAD.5: 29 residues within 4Å: Chain B: G.7, S.9, G.10, Y.11, I.12, L.30, D.31, N.32, L.33, C.34, N.35, S.36, G.57, D.58, I.59, R.60, F.80, A.81, G.82, K.84, N.99, S.122, S.123, S.124, Y.149, K.153, Y.177, F.178, P.180 31 PLIP interactions: 31 interactions with chain B Hydrophobic interactions: B:Y.177 Hydrogen bonds: B:G.7, B:Y.11, B:I.12, B:N.32, B:N.32, B:L.33, B:C.34, B:N.35, B:N.35, B:S.36, B:S.36, B:S.36, B:I.59, B:F.80, B:G.82, B:K.84, B:K.84, B:N.99, B:S.122, B:Y.149, B:K.153 Water bridges: B:G.10, B:G.13, B:L.83, B:K.84, B:N.99, B:K.153, B:E.191 Salt bridges: B:K.84, B:K.84

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 2 residues within 4Å: Chain A: R.331, H.332 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:H.332 Water bridges: A:R.331

1 x NO3: NITRATE ION(Non-functional Binders)

NO3.6: 4 residues within 4Å: Chain B: Y.222, P.223, R.291, P.297 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:R.291, B:R.291

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Singh, N. et al., X-Ray structure of H243I mutant of UDP-Galactose 4-epimerase from E.coli:evidence for existence of open and closed active site during catalysis. To Be Published

Release Date

2016-11-30

Peptides

UDP-glucose 4-epimerase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

UDP-glucose 4-epimerase