SMTL ID : 3i0a.1 (2 other biounits)

Crystal structure of Siderocalin (NGAL, Lipocalin 2) K134A mutant complexed with Ferric Enterobactin

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.60 Å

Oligo State

monomer

Ligands

1 x SO4: SULFATE ION(Non-functional Binders)

SO4.1: 3 residues within 4Å: Chain A: P.182, N.184, H.185 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.184 Salt bridges: A:H.185

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

FE.2: 3 residues within 4Å: Chain A: K.145 Ligands: 3ET.3, 2DS.4 No protein-ligand interaction detected (PLIP)

1 x 3ET: O-[(2R)-2-amino-3-(D-seryloxy)propanoyl]-N-[(2,3-dihydroxyphenyl)carbonyl]-L-serine(Non-covalent)

3ET.3: 14 residues within 4Å: Chain A: L.56, A.60, I.61, Q.69, Y.72, L.90, R.92, Y.126, F.143, K.145, Y.152, A.154 Ligands: FE.2, 2DS.4 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:Y.126, A:F.143, A:Y.152, A:A.154 Hydrogen bonds: A:Q.69, A:Q.69, A:K.145, A:K.145 Salt bridges: A:K.145, A:K.145

1 x 2DS: N-[(2,3-dihydroxyphenyl)carbonyl]-O-[(2R)-2-{[(2,3-dihydroxyphenyl)carbonyl]amino}-3-hydroxypropanoyl]-L-serine(Non-covalent)

2DS.4: 11 residues within 4Å: Chain A: S.88, R.92, W.99, R.101, L.114, Y.120, L.123, Y.126, K.145 Ligands: FE.2, 3ET.3 13 PLIP interactions: 13 interactions with chain A Hydrophobic interactions: A:W.99, A:L.114, A:Y.120, A:Y.120, A:L.123, A:Y.126 Hydrogen bonds: A:R.92, A:K.145 Water bridges: A:R.101 Salt bridges: A:R.92, A:K.145 pi-Stacking: A:W.99, A:W.99

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Clifton, M.C. et al., Parsing the functional specificity of Siderocalin / Lipocalin 2 / NGAL for siderophores and related small-molecule ligands. To be Published

Release Date

2010-06-09

Peptides

Neutrophil gelatinase-associated lipocalin: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Neutrophil gelatinase-associated lipocalin

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