SMTL ID : 4nec.2 (3 other biounits)

Conversion of a Disulfide Bond into a Thioacetal Group during Echinomycin Biosynthesis

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.50 Å

Oligo State

monomer

Ligands

1 x DSN- ALA- N2C- MVA- DSN- ALA- NCY- MVA: Echinomycin(Non-covalent)

DSN-ALA-N2C-MVA-DSN-ALA-NCY-MVA.1: 21 residues within 4Å: Chain A: M.21, V.24, F.25, P.34, F.35, P.40, W.41, G.132, H.135, T.136, I.164, S.169, M.172, Q.173, L.176, I.183, L.196, R.198 Ligands: SAH.2, QUI.4, QUI.5 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:P.40, A:I.164, A:L.176, A:R.198 Water bridges: A:Q.173, A:R.198 Salt bridges: A:R.198

1 x SAH: S-ADENOSYL-L-HOMOCYSTEINE(Non-covalent)

SAH.2: 17 residues within 4Å: Chain A: F.25, Y.29, W.41, G.67, C.68, G.69, D.88, L.89, S.90, A.113, D.114, A.115, S.131, G.132, L.133, F.137 Ligands: DSN-ALA-N2C-MVA-DSN-ALA-NCY-MVA.1 18 PLIP interactions: 18 interactions with chain A Hydrogen bonds: A:Y.29, A:Y.29, A:G.69, A:L.89, A:S.90, A:D.114, A:A.115, A:S.131 Water bridges: A:Y.29, A:W.41, A:Q.47, A:G.71, A:E.72, A:S.131, A:S.131, A:S.131, A:R.141, A:R.141

1 x ACT: ACETATE ION(Non-functional Binders)

ACT.3: 8 residues within 4Å: Chain A: A.134, H.135, F.137, L.142, K.197, R.198, H.202, L.203 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:H.202 Hydrogen bonds: A:H.202 Water bridges: A:S.163 Salt bridges: A:R.198

2 x QUI: 2-CARBOXYQUINOXALINE(Non-covalent)

QUI.4: 7 residues within 4Å: Chain A: Q.173, I.183, P.184 Ligands: DSN-ALA-N2C-MVA-DSN-ALA-NCY-MVA.1, DSN-ALA-N2C-MVA-DSN-ALA-NCY-MVA.1, DSN-ALA-N2C-MVA-DSN-ALA-NCY-MVA.1, QUI.5 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:Q.173 QUI.5: 6 residues within 4Å: Chain A: Q.173, A.185, L.187, L.196 Ligands: DSN-ALA-N2C-MVA-DSN-ALA-NCY-MVA.1, QUI.4 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:Q.173, A:L.187

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Hotta, K. et al., Conversion of a disulfide bond into a thioacetal group during echinomycin biosynthesis. Angew.Chem.Int.Ed.Engl. (2014)

Release Date

2014-01-15

Peptides

Putative SAM-dependent methyltransferase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

Putative SAM-dependent methyltransferase

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