SMTL ID : 2p02.1

Crystal structure of the alpha subunit of human S-adenosylmethionine synthetase 2

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.21 Å

Oligo State

homo-dimer

Ligands

2 x CL: CHLORIDE ION(Non-functional Binders)

CL.1: 5 residues within 4Å: Chain A: H.30, K.182, K.266 Chain B: D.135 Ligands: SAM.2 Ligand excluded by PLIP CL.3: 5 residues within 4Å: Chain A: D.135 Chain B: H.30, K.182, K.266 Ligands: SAM.4 Ligand excluded by PLIP

2 x SAM: S-ADENOSYLMETHIONINE(Non-covalent)

SAM.2: 19 residues within 4Å: Chain A: H.30, P.31, D.180, K.182, S.207, S.248, R.250, F.251, D.259 Chain B: A.56, E.71, Q.114, D.117, I.118, G.134, D.135, K.290, I.323 Ligands: CL.1 21 PLIP interactions: 12 interactions with chain A, 9 interactions with chain B Hydrogen bonds: A:D.180, A:S.248, A:R.250, A:D.259, A:D.259, B:E.71, B:E.71, B:Q.114 Water bridges: A:D.32, A:S.207, A:S.248, A:A.260, B:I.118, B:I.118, B:K.290, B:K.290 Salt bridges: A:D.259, B:D.135, B:K.290 pi-Stacking: A:F.251, A:F.251 SAM.4: 19 residues within 4Å: Chain A: A.56, E.71, Q.114, D.117, I.118, G.134, D.135, K.290, I.323 Chain B: H.30, P.31, D.180, K.182, S.207, S.248, R.250, F.251, D.259 Ligands: CL.3 21 PLIP interactions: 9 interactions with chain A, 12 interactions with chain B Hydrogen bonds: A:E.71, A:E.71, A:Q.114, B:D.180, B:S.248, B:R.250, B:D.259, B:D.259 Water bridges: A:I.118, A:I.118, A:K.290, A:K.290, B:D.32, B:S.207, B:S.248, B:A.260 Salt bridges: A:D.135, A:K.290, B:D.259 pi-Stacking: B:F.251, B:F.251

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Papagrigoriou, E. et al., Crystal structure of the alpha subunit of human S-adenosylmethionine synthetase 2. To be Published

Release Date

2007-03-13

Peptides

S-adenosylmethionine synthetase isoform type-2: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

S-adenosylmethionine synthetase isoform type-2

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