SMTL ID : 5h6u.2 (1 other biounit)

Structure of alginate-binding protein AlgQ2 in complex with an alginate pentasaccharide

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.01 Å

Oligo State

monomer

Ligands

1 x BEM- BEM- BEM- BEM- BEM: beta-D-mannopyranuronic acid-(1-4)-beta-D-mannopyranuronic acid-(1-4)-beta-D-mannopyranuronic acid-(1-4)-beta-D-mannopyranuronic acid-(1-4)-beta-D-mannopyranuronic acid

BEM-BEM-BEM-BEM-BEM.1: 27 residues within 4Å: Chain A: R.20, D.21, K.22, N.53, Q.55, D.74, N.75, Y.129, R.137, R.186, H.187, D.189, Y.208, W.270, A.272, S.273, R.309, R.313, N.375, Y.379, Q.391, Y.395, E.396, W.399, R.442, Y.446 Ligands: CA.3 16 PLIP interactions: 16 interactions with chain A Hydrogen bonds: A:A.272, A:S.273, A:R.309, A:N.375, A:Y.379, A:Q.391, A:Y.395, A:E.396 Water bridges: A:D.132, A:F.271, A:S.273, A:R.309, A:Y.379, A:Y.379, A:Q.391 Salt bridges: A:R.186

3 x CA: CALCIUM ION(Non-covalent)(Non-functional Binders)

CA.2: 6 residues within 4Å: Chain A: D.171, N.173, N.175, K.177, D.179, E.180 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.171, A:K.177, A:D.179, A:E.180, A:E.180 CA.3: 2 residues within 4Å: Ligands: BEM-BEM-BEM-BEM-BEM.1, BEM-BEM-BEM-BEM-BEM.1 No protein-ligand interaction detected (PLIP) CA.4: 1 residues within 4Å: Chain A: G.133 4 PLIP interactions: 1 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:G.133, H2O.4, H2O.9, H2O.10

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kaneko, A. et al., A solute-binding protein in the closed conformation induces ATP hydrolysis in a bacterial ATP-binding cassette transporter involved in the import of alginate. J. Biol. Chem. (2017)

Release Date

2017-08-09

Peptides

AlgQ2: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

AlgQ2

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