SMTL ID : 5yd2.1

Crystal Structure of Delta 4 mutant of EhPSAT (Phosphoserine aminotransferase of Entamoeba histolytica)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.35 Å

Oligo State

homo-dimer

Ligands

2 x CL: CHLORIDE ION(Non-functional Binders)

CL.1: 7 residues within 4Å: Chain A: G.95, V.96, W.97, N.143, T.144, I.145, Y.146 Ligand excluded by PLIP CL.3: 7 residues within 4Å: Chain B: G.95, V.96, W.97, N.143, T.144, I.145, Y.146 Ligand excluded by PLIP

2 x PLP: PYRIDOXAL-5'-PHOSPHATE(Non-covalent)

PLP.2: 15 residues within 4Å: Chain A: G.72, A.73, S.74, F.77, W.97, N.142, T.144, D.163, S.165, S.166, G.184, Q.186, K.187 Chain B: N.228, T.229 13 PLIP interactions: 9 interactions with chain A, 4 interactions with chain B Hydrophobic interactions: A:A.73, A:W.97 Hydrogen bonds: A:A.73, A:S.74, A:T.144, A:S.165, A:Q.186, B:N.228, B:T.229, B:T.229, B:T.229 pi-Stacking: A:W.97, A:W.97 PLP.4: 13 residues within 4Å: Chain A: N.228, T.229 Chain B: G.72, A.73, S.74, F.77, W.97, N.142, T.144, D.163, S.165, S.166, K.187 14 PLIP interactions: 10 interactions with chain B, 4 interactions with chain A Hydrophobic interactions: B:A.73, B:W.97 Hydrogen bonds: B:A.73, B:S.74, B:S.74, B:S.165, B:S.166, B:K.187, A:N.228, A:T.229, A:T.229, A:T.229 pi-Stacking: B:W.97, B:W.97

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Singh, R.K. et al., N-terminal residues are crucial for quaternary structure and active site conformation for the phosphoserine aminotransferase from enteric human parasite E. histolytica. Int.J.Biol.Macromol. (2019)

Release Date

2018-10-31

Peptides

Phosphoserine aminotransferase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Phosphoserine aminotransferase