SMTL ID : 5yb0.1 (5 other biounits)

Crystal Structure of Wild Type Phosphoserine aminotransferase (PSAT) from E. histolytica

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.94 Å

Oligo State

homo-dimer

Ligands

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

PLP.1: 15 residues within 4Å: Chain A: G.76, A.77, S.78, F.81, W.101, T.144, N.146, T.148, D.167, S.169, S.170, Q.190, K.191 Chain B: N.232, T.233 14 PLIP interactions: 11 interactions with chain A, 3 interactions with chain B Hydrophobic interactions: A:W.101, A:T.144 Hydrogen bonds: A:A.77, A:S.78, A:S.78, A:T.148, A:S.169, A:Q.190, A:K.191, B:N.232, B:T.233, B:T.233 pi-Stacking: A:W.101, A:W.101 PLP.3: 15 residues within 4Å: Chain A: N.232, T.233 Chain B: G.76, A.77, S.78, F.81, W.101, T.144, N.146, T.148, D.167, S.169, S.170, Q.190, K.191 14 PLIP interactions: 10 interactions with chain B, 4 interactions with chain A Hydrophobic interactions: B:W.101, B:T.144 Hydrogen bonds: B:A.77, B:S.78, B:T.148, B:S.169, B:Q.190, B:K.191, A:N.232, A:T.233, A:T.233, A:T.233 pi-Stacking: B:W.101, B:W.101

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

CL.2: 6 residues within 4Å: Chain A: G.99, V.100, W.101, N.147, T.148, I.149 Ligand excluded by PLIP CL.4: 6 residues within 4Å: Chain B: G.99, V.100, W.101, N.147, T.148, I.149 Ligand excluded by PLIP

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

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