SMTL ID : 3b8v.1 (1 other biounit)

Crystal structure of Escherichia coli alaine racemase mutant E221K

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.60 Å

Oligo State

homo-dimer

Ligands

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

SO4.1: 7 residues within 4Å: Chain A: Y.275, Y.294, R.300, R.320, M.323 Chain B: S.361, Y.363 6 PLIP interactions: 5 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:Y.294, A:M.323, B:S.361 Water bridges: A:R.300, A:R.300 Salt bridges: A:R.300 SO4.2: 1 residues within 4Å: Chain A: R.39 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:R.39 SO4.3: 2 residues within 4Å: Chain A: R.182, C.188 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:R.182 SO4.4: 3 residues within 4Å: Chain A: R.300, R.320 Chain B: K.241 6 PLIP interactions: 2 interactions with chain B, 4 interactions with chain A Water bridges: B:K.241, A:T.278, A:R.320 Salt bridges: B:K.241, A:R.300, A:R.320 SO4.6: 4 residues within 4Å: Chain A: Y.363 Chain B: Y.275, Y.294, R.300 3 PLIP interactions: 1 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:S.361 Water bridges: B:M.323 Salt bridges: B:R.300 SO4.7: 1 residues within 4Å: Chain B: R.39 1 PLIP interactions: 1 interactions with chain B Salt bridges: B:R.39 SO4.8: 1 residues within 4Å: Chain B: R.182 1 PLIP interactions: 1 interactions with chain B Salt bridges: B:R.182 SO4.9: 3 residues within 4Å: Chain A: K.241 Chain B: R.300, R.320 5 PLIP interactions: 4 interactions with chain B, 1 interactions with chain A Water bridges: B:R.320, B:R.320 Salt bridges: B:R.300, B:R.320, A:K.241

2 x PLP: PYRIDOXAL-5'-PHOSPHATE(Covalent)

PLP.5: 12 residues within 4Å: Chain A: V.52, K.54, Y.58, L.98, K.142, H.179, A.213, S.214, R.229, G.231, I.232, Y.363 12 PLIP interactions: 11 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:V.52, A:V.52, A:K.54 Hydrogen bonds: A:K.54, A:Y.58, A:S.214, A:R.229, A:R.229, A:G.231, A:I.232 pi-Stacking: A:H.179 Water bridges: B:D.324 PLP.10: 11 residues within 4Å: Chain B: V.52, K.54, Y.58, K.142, H.179, A.213, S.214, R.229, G.231, I.232, Y.363 13 PLIP interactions: 13 interactions with chain B Hydrophobic interactions: B:V.52, B:K.54 Hydrogen bonds: B:Y.58, B:R.149, B:S.214, B:S.214, B:R.229, B:G.231, B:I.232, B:Y.363 Water bridges: B:G.215, B:Y.363 pi-Stacking: B:H.179

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wu, D. et al., Residues Asp164 and Glu165 at the substrate entryway function potently in substrate orientation of alanine racemase from E. coli: Enzymatic characterization with crystal structure analysis. Protein Sci. (2008)

Release Date

2008-07-08

Peptides

Alanine racemase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Alanine racemase

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