SMTL ID : 6iou.1

The ligand binding domain of Mlp24 with serine

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-dimer

Ligands

2 x SER: SERINE(Non-covalent)

SER.1: 10 residues within 4Å: Chain A: W.90, Y.96, R.101, W.103, Y.119, D.121, I.122, I.128, F.146, D.148 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:Y.96, A:Y.96, A:D.121, A:I.122, A:D.148 Water bridges: A:D.148, A:D.148 Salt bridges: A:R.101 SER.4: 11 residues within 4Å: Chain B: W.90, Y.96, R.101, W.103, Y.119, D.121, I.122, S.123, I.128, F.146, D.148 10 PLIP interactions: 9 interactions with chain B, 1 Ligand-Ligand interactions Hydrogen bonds: B:Y.96, B:Y.119, B:D.121, B:D.121, B:I.122, B:S.123, S.4 Water bridges: B:S.123, B:S.123 Salt bridges: B:R.101

2 x CA: CALCIUM ION(Non-covalent)

CA.2: 4 residues within 4Å: Chain A: E.85, D.87, W.90, E.91 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.85, A:D.87, A:W.90, A:E.91, H2O.2 CA.5: 4 residues within 4Å: Chain B: E.85, D.87, W.90, E.91 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:E.85, B:D.87, B:W.90, B:E.91, H2O.4

2 x TRS: 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL(Non-functional Binders)

TRS.3: 7 residues within 4Å: Chain A: D.106, E.110, V.114, V.115, T.116, E.117, K.174 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:D.106, A:E.110, A:E.117, A:E.117, A:K.174 Water bridges: A:V.115 TRS.6: 7 residues within 4Å: Chain B: D.106, R.109, E.110, V.114, V.115, E.117, K.174 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:D.106, B:R.109, B:E.110, B:E.117, B:E.117 Water bridges: B:V.115

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Takahashi, Y. et al., Calcium Ions Modulate Amino Acid Sensing of the Chemoreceptor Mlp24 ofVibrio cholerae. J. Bacteriol. (2019)

Release Date

2019-03-06

Peptides

Methyl-accepting chemotaxis protein: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Methyl-accepting chemotaxis protein

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