SMTL ID : 1qm4.1

Methionine Adenosyltransferase Complexed with a L-Methionine Analogue

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.66 Å

Oligo State

homo-tetramer

Ligands

2 x AMB: L-2-AMINO-4-METHOXY-CIS-BUT-3-ENOIC ACID(Non-covalent)

AMB.1: 6 residues within 4Å: Chain A: H.30, D.180, S.248, R.250, F.251 Ligands: MG.4 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:F.251 Salt bridges: A:H.30 AMB.10: 6 residues within 4Å: Chain C: H.30, D.180, S.248, R.250, F.251 Ligands: MG.13 2 PLIP interactions: 2 interactions with chain C Hydrophobic interactions: C:F.251 Salt bridges: C:H.30

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

SO4.2: 9 residues within 4Å: Chain A: K.182, Q.184, V.205, S.207, P.247 Chain B: D.135, Q.136, I.323 Ligands: MG.5 5 PLIP interactions: 2 interactions with chain B, 3 interactions with chain A Hydrogen bonds: B:D.135, B:Q.136, A:Q.184, A:S.207 Salt bridges: A:K.182 SO4.3: 8 residues within 4Å: Chain A: G.264, G.280, G.281, A.282, K.286 Chain B: R.265, K.266 Ligands: K.7 5 PLIP interactions: 2 interactions with chain B, 3 interactions with chain A Water bridges: B:R.265 Salt bridges: B:K.266, A:K.286 Hydrogen bonds: A:G.264, A:A.282 SO4.8: 7 residues within 4Å: Chain A: R.265, K.266 Chain B: G.280, G.281, A.282, K.286 Ligands: K.9 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:A.282 Salt bridges: B:K.286, A:K.266 SO4.11: 9 residues within 4Å: Chain C: K.182, Q.184, V.205, S.207, P.247 Chain D: D.135, Q.136, I.323 Ligands: MG.14 4 PLIP interactions: 3 interactions with chain C, 1 interactions with chain D Hydrogen bonds: C:Q.184, C:S.207, D:Q.136 Salt bridges: C:K.182 SO4.12: 8 residues within 4Å: Chain C: G.264, G.280, G.281, A.282, K.286 Chain D: R.265, K.266 Ligands: K.16 5 PLIP interactions: 2 interactions with chain D, 3 interactions with chain C Water bridges: D:R.265 Salt bridges: D:K.266, C:K.286 Hydrogen bonds: C:G.264, C:A.282 SO4.17: 7 residues within 4Å: Chain C: R.265, K.266 Chain D: G.280, G.281, A.282, K.286 Ligands: K.18 3 PLIP interactions: 1 interactions with chain C, 2 interactions with chain D Salt bridges: C:K.266, D:K.286 Hydrogen bonds: D:A.282

4 x MG: MAGNESIUM ION(Non-covalent)

MG.4: 3 residues within 4Å: Chain A: P.31, D.180 Ligands: AMB.1 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:D.180 MG.5: 3 residues within 4Å: Chain A: S.248 Chain B: D.135 Ligands: SO4.2 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:S.248 MG.13: 3 residues within 4Å: Chain C: P.31, D.180 Ligands: AMB.10 1 PLIP interactions: 1 interactions with chain C Metal complexes: C:D.180 MG.14: 3 residues within 4Å: Chain C: S.248 Chain D: D.135 Ligands: SO4.11 1 PLIP interactions: 1 interactions with chain C Metal complexes: C:S.248

6 x K: POTASSIUM ION(Non-covalent)

K.6: 4 residues within 4Å: Chain A: G.264, I.267 Chain B: G.264, R.265 No protein-ligand interaction detected (PLIP) K.7: 3 residues within 4Å: Chain A: K.286 Chain B: R.265 Ligands: SO4.3 No protein-ligand interaction detected (PLIP) K.9: 3 residues within 4Å: Chain A: R.265 Chain B: S.284 Ligands: SO4.8 No protein-ligand interaction detected (PLIP) K.15: 4 residues within 4Å: Chain C: G.264, I.267 Chain D: G.264, R.265 No protein-ligand interaction detected (PLIP) K.16: 3 residues within 4Å: Chain C: K.286 Chain D: R.265 Ligands: SO4.12 No protein-ligand interaction detected (PLIP) K.18: 3 residues within 4Å: Chain C: R.265 Chain D: S.284 Ligands: SO4.17 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Gonzalez, B. et al., The Crystal Structure of Tetrameric Methionine Adenosyltransferase from Rat Liver Reveals the Methionine-Binding Site. J.Mol.Biol. (2000)

Release Date

2000-09-21

Peptides

METHIONINE ADENOSYLTRANSFERASE, ALPHA FORM: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
A

D
B

METHIONINE ADENOSYLTRANSFERASE, ALPHA FORM

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