SMTL ID : 6czy.2 (1 other biounit)

Crystal structure of Arabidopsis thaliana phosphoserine aminotransferase isoform 1 (AtPSAT1) in complex with Pyridoxamine-5'-phosphate (PMP)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

homo-dimer

Ligands

2 x PMP: 4'-DEOXY-4'-AMINOPYRIDOXAL-5'-PHOSPHATE(Non-covalent)

PMP.1: 15 residues within 4Å: Chain A: G.76, A.77, T.78, F.81, W.103, C.149, N.151, T.153, D.173, S.175, S.176, Q.196, K.197 Chain B: N.238, T.239 15 PLIP interactions: 12 interactions with chain A, 3 interactions with chain B Hydrophobic interactions: A:W.103 Hydrogen bonds: A:A.77, A:T.78, A:T.78, A:T.153, A:T.153, A:S.175, A:Q.196, A:K.197, A:K.197, B:N.238, B:T.239, B:T.239 pi-Stacking: A:W.103, A:W.103 PMP.5: 16 residues within 4Å: Chain A: N.238, T.239 Chain B: G.76, A.77, T.78, F.81, W.103, C.149, N.151, T.153, D.173, S.175, S.176, Q.196, K.197 Ligands: MPD.2 16 PLIP interactions: 12 interactions with chain B, 4 interactions with chain A Hydrophobic interactions: B:W.103 Hydrogen bonds: B:A.77, B:T.78, B:T.78, B:T.153, B:T.153, B:S.175, B:Q.196, B:K.197, B:K.197, A:N.238, A:T.239, A:T.239 pi-Stacking: B:W.103, B:W.103 Water bridges: A:T.239

1 x MPD: (4S)-2-METHYL-2,4-PENTANEDIOL(Non-functional Binders)

MPD.2: 5 residues within 4Å: Chain A: H.42, R.43, T.239 Chain B: H.328 Ligands: PMP.5 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:R.43

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

SO4.3: 3 residues within 4Å: Chain A: G.215, N.216, K.228 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:N.216 Water bridges: A:A.217, A:A.217, A:A.217 Salt bridges: A:K.228 SO4.6: 3 residues within 4Å: Chain B: G.215, N.216, K.228 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:N.216 Water bridges: B:A.217, B:A.217 Salt bridges: B:K.228

1 x PEG: DI(HYDROXYETHYL)ETHER(Non-functional Binders)

PEG.4: 4 residues within 4Å: Chain A: P.165, G.168, F.169, R.210 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.210, A:R.210 Water bridges: A:K.187

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Sekula, B. et al., Structural Analysis of Phosphoserine Aminotransferase (Isoform 1) FromArabidopsis thaliana- the Enzyme Involved in the Phosphorylated Pathway of Serine Biosynthesis. Front Plant Sci (2018)

Release Date

2018-05-23

Peptides

Phosphoserine aminotransferase 1, chloroplastic: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

Phosphoserine aminotransferase 1, chloroplastic

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