SMTL ID : 3vx4.1

Crystal Structure of the Nucleotide-Binding Domain of S. mutans ComA, a Bifunctional ATP-binding Cassette Transporter Involved in the Quorum-sensing Pathway

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.69 Å

Oligo State

homo-dimer

Ligands

2 x ATP: ADENOSINE-5'-TRIPHOSPHATE(Non-covalent)

ATP.1: 20 residues within 4Å: Chain A: Y.44, T.50, A.69, S.70, G.71, S.72, G.73, K.74, T.75, T.76, Q.116, H.227 Chain B: G.171, I.172, S.173, G.174, G.175, Q.176, S.201 Ligands: MG.2 25 PLIP interactions: 9 interactions with chain B, 16 interactions with chain A Hydrogen bonds: B:G.171, B:S.173, B:S.173, B:G.174, B:G.175, B:Q.176, B:Q.176, B:Q.176, B:S.201, A:G.71, A:G.71, A:S.72, A:G.73, A:K.74, A:T.75, A:T.75, A:T.76, A:T.76, A:Q.116 Water bridges: A:T.75 Salt bridges: A:K.74, A:K.74, A:H.227 pi-Stacking: A:Y.44, A:Y.44 ATP.3: 20 residues within 4Å: Chain A: G.171, I.172, S.173, G.174, G.175, Q.176, S.201 Chain B: Y.44, T.50, A.69, S.70, G.71, S.72, G.73, K.74, T.75, T.76, Q.116, H.227 Ligands: MG.4 24 PLIP interactions: 15 interactions with chain B, 9 interactions with chain A Hydrogen bonds: B:G.71, B:S.72, B:G.73, B:K.74, B:T.75, B:T.75, B:T.76, B:Q.116, B:Q.116, B:Q.116, A:G.171, A:S.173, A:S.173, A:G.174, A:G.175, A:Q.176, A:Q.176, A:Q.176, A:S.201 Salt bridges: B:K.74, B:K.74, B:H.227 pi-Stacking: B:Y.44, B:Y.44

2 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 3 residues within 4Å: Chain A: T.75, Q.116 Ligands: ATP.1 3 PLIP interactions: 1 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:T.75, H2O.1, H2O.3 MG.4: 3 residues within 4Å: Chain B: T.75, Q.116 Ligands: ATP.3 3 PLIP interactions: 1 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:T.75, H2O.6, H2O.6

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ishii, S. et al., Boundary of the Nucleotide-Binding Domain of Streptococcus ComA Based on Functional and Structural Analysis. Biochemistry (2013)

Release Date

2013-04-17

Peptides

Putative ABC transporter, ATP-binding protein ComA: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
D

Putative ABC transporter, ATP-binding protein ComA