SMTL ID : 3q1x.1

Crystal structure of Entamoeba histolytica serine acetyltransferase 1 in complex with L-serine

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.59 Å

Oligo State

homo-trimer

Ligands

3 x SER: SERINE(Non-covalent)

SER.1: 9 residues within 4Å: Chain A: A.206, H.208, R.222, H.223 Chain B: D.114, P.115, A.116, D.179, H.180 9 PLIP interactions: 6 interactions with chain A, 3 interactions with chain B Hydrogen bonds: A:A.206, A:A.206, B:D.114, B:A.116 Water bridges: A:H.167, B:D.179 Salt bridges: A:H.208, A:R.222, A:H.223 SER.3: 9 residues within 4Å: Chain B: A.206, H.208, R.222, H.223 Chain C: D.114, P.115, A.116, D.179, H.180 9 PLIP interactions: 6 interactions with chain B, 3 interactions with chain C Hydrogen bonds: B:A.206, B:A.206, C:D.114, C:A.116 Water bridges: B:H.167, C:D.179 Salt bridges: B:H.208, B:R.222, B:H.223 SER.5: 9 residues within 4Å: Chain A: D.114, P.115, A.116, D.179, H.180 Chain C: A.206, H.208, R.222, H.223 9 PLIP interactions: 3 interactions with chain A, 6 interactions with chain C Hydrogen bonds: A:D.114, A:A.116, C:A.206, C:A.206 Water bridges: A:D.179, C:H.167 Salt bridges: C:H.208, C:R.222, C:H.223

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

SO4.2: 12 residues within 4Å: Chain A: S.201, G.235, K.237 Chain B: S.201, G.235, K.237, N.253 Chain C: S.201, G.235, K.237 Ligands: SO4.4, SO4.6 8 PLIP interactions: 2 interactions with chain C, 3 interactions with chain B, 3 interactions with chain A Hydrogen bonds: C:S.201, B:S.201, B:S.201, A:S.201, A:N.253 Salt bridges: C:K.237, B:K.237, A:K.237 SO4.4: 12 residues within 4Å: Chain A: S.201, G.235, K.237 Chain B: S.201, G.235, K.237 Chain C: S.201, G.235, K.237, N.253 Ligands: SO4.2, SO4.6 8 PLIP interactions: 3 interactions with chain C, 3 interactions with chain B, 2 interactions with chain A Hydrogen bonds: C:S.201, C:S.201, B:S.201, B:N.253, A:S.201 Salt bridges: C:K.237, B:K.237, A:K.237 SO4.6: 12 residues within 4Å: Chain A: S.201, G.235, K.237, N.253 Chain B: S.201, G.235, K.237 Chain C: S.201, G.235, K.237 Ligands: SO4.2, SO4.4 8 PLIP interactions: 3 interactions with chain C, 2 interactions with chain B, 3 interactions with chain A Hydrogen bonds: C:S.201, C:N.253, B:S.201, A:S.201, A:S.201 Salt bridges: C:K.237, B:K.237, A:K.237

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kumar, S. et al., Structural and biochemical studies of serine acetyltransferase reveal why the parasite Entamoeba histolytica cannot form cysteine synthase complex. J.Biol.Chem. (2011)

Release Date

2011-02-02

Peptides

Serine acetyltransferase: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

C
A

Serine acetyltransferase