SMTL ID : 5h71.2 (1 other biounit)

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

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.55 Å

Oligo State

monomer

Ligands

1 x BEM- BEM- MAW: 4-deoxy-alpha-L-erythro-hex-4-enopyranuronic acid-(1-4)-beta-D-mannopyranuronic acid-(1-4)-beta-D-mannopyranuronic acid

BEM-BEM-MAW.1: 17 residues within 4Å: Chain A: R.20, D.74, N.75, Y.129, R.137, R.186, H.187, W.270, A.272, S.273, R.313, N.375, Y.379, Q.391, Y.395, E.396, W.399 13 PLIP interactions: 13 interactions with chain A Hydrogen bonds: A:R.137, A:R.186, A:R.186, A:H.187, A:R.186, A:A.272, A:S.273, A:N.375, A:Y.379, A:Q.391, A:Y.395 Water bridges: A:R.20, A:R.20, A:R.20, A:Y.129, A:Y.129, A:R.137, A:R.313, A:Y.379, A:Y.379, A:Q.384, A:R.186, A:Q.391, A:Q.391, A:E.396, A:E.396 Salt bridges: A:R.20, A:R.313 Hydrophobic interactions: A:W.270

1 x CA: CALCIUM ION(Non-covalent)

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

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

CL.3: 1 residues within 4Å: Chain A: K.79 Ligand excluded by PLIP CL.4: 1 residues within 4Å: Chain A: S.366 Ligand excluded by PLIP

1 x PEG: DI(HYDROXYETHYL)ETHER(Non-functional Binders)

PEG.5: 2 residues within 4Å: Chain A: R.303, Y.416 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:R.303 Water bridges: A:T.297, A:G.414, A:Y.416

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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