SMTL ID : 3p47.1

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

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.78 Å

Oligo State

homo-trimer

Ligands

3 x CYS: CYSTEINE(Non-covalent)

CYS.1: 9 residues within 4Å: Chain A: A.208, H.210, R.224, H.225 Chain C: D.116, P.117, A.118, D.181, H.182 7 PLIP interactions: 3 interactions with chain A, 3 interactions with chain C, 1 Ligand-Ligand interactions Salt bridges: A:H.210, A:R.224, A:H.225 Hydrogen bonds: C:D.116, C:A.118, C:D.181, C.1 CYS.3: 9 residues within 4Å: Chain A: D.116, P.117, A.118, D.181, H.182 Chain B: A.208, H.210, R.224, H.225 7 PLIP interactions: 3 interactions with chain B, 1 Ligand-Ligand interactions, 3 interactions with chain A Salt bridges: B:H.210, B:R.224, B:H.225 Hydrogen bonds: C.3, A:D.116, A:A.118, A:D.181 CYS.5: 9 residues within 4Å: Chain B: D.116, P.117, A.118, D.181, H.182 Chain C: A.208, H.210, R.224, H.225 7 PLIP interactions: 3 interactions with chain C, 3 interactions with chain B, 1 Ligand-Ligand interactions Salt bridges: C:H.210, C:R.224, C:H.225 Hydrogen bonds: B:D.116, B:A.118, B:D.181, C.5

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

SO4.2: 11 residues within 4Å: Chain A: S.203, G.237, K.239 Chain B: S.203, G.237, K.239 Chain C: S.203, G.237, K.239 Ligands: SO4.4, SO4.6 7 PLIP interactions: 2 interactions with chain A, 2 interactions with chain C, 3 interactions with chain B Hydrogen bonds: A:S.203, C:S.203, B:S.203, B:S.203 Salt bridges: A:K.239, C:K.239, B:K.239 SO4.4: 11 residues within 4Å: Chain A: S.203, G.237, K.239 Chain B: S.203, G.237, K.239 Chain C: S.203, G.237, K.239 Ligands: SO4.2, SO4.6 7 PLIP interactions: 2 interactions with chain A, 3 interactions with chain C, 2 interactions with chain B Hydrogen bonds: A:S.203, C:S.203, C:S.203, B:S.203 Salt bridges: A:K.239, C:K.239, B:K.239 SO4.6: 11 residues within 4Å: Chain A: S.203, G.237, K.239 Chain B: S.203, G.237, K.239 Chain C: S.203, G.237, K.239 Ligands: SO4.2, SO4.4 7 PLIP interactions: 3 interactions with chain A, 2 interactions with chain C, 2 interactions with chain B Hydrogen bonds: A:S.203, A:S.203, C:S.203, B:S.203 Salt bridges: A:K.239, C:K.239, B:K.239

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 a 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