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

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

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

monomer

Ligands

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

SO4.1: 6 residues within 4Å: Chain A: K.418, E.419, Y.420, R.423, E.667, K.694 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:Y.420, A:E.667 Salt bridges: A:R.423, A:K.694

1 x ZN: ZINC ION(Non-covalent)

ZN.2: 5 residues within 4Å: Chain A: H.650, C.652, E.674, C.736 Ligands: HCS.3 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:H.650, A:C.652, A:E.674, A:C.736

2 x HCS: 2-AMINO-4-MERCAPTO-BUTYRIC ACID(Non-covalent)(Non-functional Binders)

HCS.3: 11 residues within 4Å: Chain A: I.441, G.442, S.443, E.494, M.561, D.609, H.650, C.652, C.736, G.737 Ligands: ZN.2 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:I.441 Hydrogen bonds: A:I.441, A:I.441, A:S.443 Water bridges: A:R.497 HCS.4: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP)

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

MRY.5: 6 residues within 4Å: Chain A: K.136, F.138, L.188, R.197, C.237, I.619 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:F.138, A:R.197, A:I.619 Water bridges: A:R.197, A:D.238

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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