SMTL ID : 1cma.1

MET REPRESSOR/DNA COMPLEX + S-ADENOSYL-METHIONINE

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.80 Å

Oligo State

homo-tetramer

Ligands

2 x DA- DG- DA- DC- DG- DT- DC- DT- DA: DNA (5'-D(*AP*GP*AP*CP*GP*TP*CP*TP*A)-3')(Non-covalent)

DA-DG-DA-DC-DG-DT-DC-DT-DA.1: 24 residues within 4Å: Chain A: T.1, T.2, A.3, G.4, A.5, C.6, G.7, T.8, C.9, T.10 Chain B: K.17, K.23, R.40, T.52, N.53, S.54 Chain C: K.22, I.24, T.25, S.27 Chain D: T.1, T.2 Chain F: H.14 Ligands: DA-DG-DA-DC-DG-DT-DC-DT-DA.4 23 PLIP interactions: 10 interactions with chain C, 3 interactions with chain B, 10 interactions with chain F Hydrogen bonds: C:G.15, C:K.17, C:S.18, C:K.23, C:R.40, C:N.53, C:S.54, B:T.25, B:T.25, F:G.15, F:K.17, F:S.18, F:K.23, F:R.40, F:N.53, F:S.54 Water bridges: C:N.53, F:N.53 Salt bridges: C:H.14, C:K.17, B:K.22, F:H.14, F:K.17 DA-DG-DA-DC-DG-DT-DC-DT-DA.4: 24 residues within 4Å: Chain A: T.1, T.2 Chain C: H.14 Chain D: T.1, T.2, A.3, G.4, A.5, C.6, G.7, T.8, C.9, T.10 Chain E: K.17, K.23, R.40, T.52, N.53, S.54 Chain F: K.22, I.24, T.25, S.27 Ligands: DA-DG-DA-DC-DG-DT-DC-DT-DA.1 Protein-ligand interaction information (PLIP) not available

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

SAM.2: 11 residues within 4Å: Chain B: H.63, A.64, F.65 Chain C: E.39, R.42, R.43, L.56, E.59, H.63, L.70, P.71 8 PLIP interactions: 6 interactions with chain C, 2 interactions with chain B Hydrogen bonds: C:E.39, C:E.39, C:R.42, C:R.43, C:E.59, B:H.63, B:F.65 Salt bridges: C:H.63 SAM.3: 14 residues within 4Å: Chain B: E.39, R.42, R.43, L.56, E.59, A.60, H.63, L.70, P.71 Chain C: F.61, H.63, A.64, F.65, G.67 7 PLIP interactions: 7 interactions with chain B Hydrogen bonds: B:E.39, B:R.42, B:R.43, B:E.59, B:H.63 Water bridges: B:L.70 Salt bridges: B:H.63 SAM.5: 11 residues within 4Å: Chain E: H.63, A.64, F.65 Chain F: E.39, R.42, R.43, L.56, E.59, H.63, L.70, P.71 8 PLIP interactions: 6 interactions with chain F, 2 interactions with chain E Hydrogen bonds: F:E.39, F:E.39, F:R.42, F:R.43, F:E.59, E:H.63, E:F.65 Salt bridges: F:H.63 SAM.6: 14 residues within 4Å: Chain E: E.39, R.42, R.43, L.56, E.59, A.60, H.63, L.70, P.71 Chain F: F.61, H.63, A.64, F.65, G.67 7 PLIP interactions: 7 interactions with chain E Hydrogen bonds: E:E.39, E:R.42, E:R.43, E:E.59, E:H.63 Water bridges: E:L.70 Salt bridges: E:H.63

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Somers, W.S. et al., Crystal structure of the met repressor-operator complex at 2.8 A resolution reveals DNA recognition by beta-strands. Nature (1992)

Release Date

1993-10-31

Peptides

PROTEIN (MET REPRESSOR): BCEF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

B
A

C
B

E
A

F
B

PROTEIN (MET REPRESSOR)

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