SMTL ID : 2hfk.1 (1 other biounit)

Pikromycin thioesterase in complex with product 10-deoxymethynolide

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.79 Å

Oligo State

homo-dimer

Ligands

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

SO4.1: 4 residues within 4Å: Chain A: A.58, Q.62, R.236 Chain B: R.45 6 PLIP interactions: 2 interactions with chain B, 4 interactions with chain A Hydrogen bonds: B:R.45, B:R.45, A:Q.62 Water bridges: A:Q.62, A:R.236 Salt bridges: A:R.236 SO4.2: 1 residues within 4Å: Chain A: R.269 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:R.269 SO4.6: 4 residues within 4Å: Chain A: R.45 Chain B: A.58, Q.62, R.236 11 PLIP interactions: 8 interactions with chain B, 3 interactions with chain A Hydrogen bonds: B:Q.62, B:Q.62 Water bridges: B:R.236, B:R.236, B:R.236, B:R.236, B:R.236, A:R.45, A:R.45 Salt bridges: B:R.236, A:R.45

1 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 2 residues within 4Å: Chain A: H.275, D.277 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.277, H2O.1

4 x DMS: DIMETHYL SULFOXIDE(Non-functional Binders)

DMS.4: 8 residues within 4Å: Chain A: G.97, T.98, A.99, H.168, A.169, G.170, G.171 Ligands: E4H.5 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:G.170 Water bridges: A:T.98 DMS.7: 6 residues within 4Å: Chain B: P.200, H.203, R.248, H.275, W.276, D.277 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:R.248, B:R.248, B:D.277 Salt bridges: B:D.277 pi-Cation interactions: B:W.276, B:W.276 DMS.8: 2 residues within 4Å: Chain B: R.212, Q.213 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:R.212, B:R.212 Salt bridges: B:E.216 DMS.9: 7 residues within 4Å: Chain B: G.97, T.98, A.99, A.169, G.170, G.171 Ligands: E4H.10 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:G.170

2 x E4H: (3R,4S,5S,7R,9E,11R,12R)-12-ETHYL-4-HYDROXY-3,5,7,11-TETRAMETHYLOXACYCLODODEC-9-ENE-2,8-DIONE(Non-covalent)

E4H.5: 11 residues within 4Å: Chain A: Y.46, G.47, L.50, T.98, G.170, L.173, Q.204, I.207, S.211, A.238 Ligands: DMS.4 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:Y.46, A:L.50, A:L.173, A:I.207, A:A.238 Hydrogen bonds: A:G.170 E4H.10: 13 residues within 4Å: Chain B: Y.46, G.47, T.98, G.170, L.173, I.207, E.208, S.211, L.214, A.238, L.241, A.242 Ligands: DMS.9 10 PLIP interactions: 10 interactions with chain B Hydrophobic interactions: B:Y.46, B:T.98, B:L.173, B:I.207, B:E.208, B:L.214, B:L.241, B:L.241 Hydrogen bonds: B:Y.46, B:G.170

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Akey, D.L. et al., Structural Basis for Macrolactonization by the Pikromycin Thioesterase. NAT.CHEM.BIOL. (2006)

Release Date

2006-09-19

Peptides

Type I polyketide synthase PikAIV: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Type I polyketide synthase PikAIV

Related Entries With Identical Sequence