SMTL ID : 1xpg.1 (1 other biounit)

Crystal Structure of T. maritima Cobalamin-Independent Methionine Synthase complexed with Zn2+ and Methyltetrahydrofolate

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.59 Å

Oligo State

monomer

Ligands

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

SO4.1: 4 residues within 4Å: Chain A: Y.420, R.423, E.667, K.694 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Y.420 Salt bridges: A:R.423, A:K.694 SO4.2: 4 residues within 4Å: Chain A: Y.96, R.127, Y.522, R.525 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:Y.96, A:Y.522 Salt bridges: A:R.127, A:R.525

1 x ZN: ZINC ION(Non-covalent)

ZN.3: 5 residues within 4Å: Chain A: H.650, C.652, E.674, D.735, C.736 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:H.650, A:C.652, A:E.674, A:C.736

1 x C2F: 5-METHYL-5,6,7,8-TETRAHYDROFOLIC ACID(Non-covalent)

C2F.4: 9 residues within 4Å: Chain A: K.50, K.136, N.141, D.499, S.521, R.525, C.526, W.571, E.615 13 PLIP interactions: 13 interactions with chain A Hydrophobic interactions: A:R.525 Hydrogen bonds: A:K.136, A:K.136, A:S.521, A:C.526, A:C.526 Salt bridges: A:R.47, A:K.50, A:R.525, A:E.615 pi-Stacking: A:W.571 pi-Cation interactions: A:W.571, A:W.571

1 x MRY: MESO-ERYTHRITOL(Non-covalent)

MRY.5: 7 residues within 4Å: Chain A: K.136, F.137, F.138, L.188, R.197, C.237, I.619 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:F.138, A:R.197, A:I.619 Water bridges: A:R.197

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Pejchal, R. et al., Cobalamin-independent methionine synthase (MetE): a face-to-face double barrel that evolved by gene duplication. Plos Biol. (2005)

Release Date

2005-03-01

Peptides

5-methyltetrahydropteroyltriglutamate--homocysteine methyltransferase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

5-methyltetrahydropteroyltriglutamate--homocysteine methyltransferase

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