SMTL ID : 3sao.2 (1 other biounit)

The Siderocalin Ex-FABP functions through dual ligand specificities

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

monomer

Ligands

1 x NKN: (2R)-2-hydroxy-3-(phosphonooxy)propyl tetradecanoate(Non-covalent)

NKN.1: 12 residues within 4Å: Chain A: L.46, V.48, Y.50, F.65, Y.75, K.82, V.84, V.86, Y.91, I.97, R.112, Y.114 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:L.46, A:Y.75, A:V.86, A:Y.91 Hydrogen bonds: A:Y.114 Water bridges: A:K.82, A:K.82 Salt bridges: A:K.82, A:R.112

1 x DBH: 2,3-DIHYDROXY-BENZOIC ACID(Non-covalent)

DBH.2: 9 residues within 4Å: Chain A: T.21, K.82, A.99, R.101, L.108, H.109, M.110, R.112 Ligands: FE.3 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:A.99, A:R.101, A:L.108, A:M.110 Hydrogen bonds: A:T.21, A:R.101, A:R.112, A:R.112 Salt bridges: A:R.101

1 x FE: FE (III) ION(Non-covalent)

FE.3: 4 residues within 4Å: Chain A: K.82, R.101, R.112 Ligands: DBH.2 No protein-ligand interaction detected (PLIP)

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.4: 7 residues within 4Å: Chain A: E.45, T.64, K.66, Y.76, S.77, E.78, E.79 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:E.45, A:E.78, A:E.79, A:E.79 Water bridges: A:T.64, A:Y.76

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Correnti, C. et al., Galline Ex-FABP Is an Antibacterial Siderocalin and a Lysophosphatidic Acid Sensor Functioning through Dual Ligand Specificities. Structure (2011)

Release Date

2011-12-28

Peptides

Extracellular fatty acid-binding protein: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

Extracellular fatty acid-binding protein

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