SMTL ID : 6w1b.1 (3 other biounits)

N-terminal domain of mouse surfactant protein B with bound lipid, Y59A/H79A mutant

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.31 Å

Oligo State

homo-dimer

Ligands

4 x PEE: 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine(Non-covalent)

PEE.1: 22 residues within 4Å: Chain A: L.19, L.45, L.48, V.49, V.55, A.59, L.62, V.63, Y.66, F.67 Chain B: L.19, P.44, L.45, L.48, V.49, V.55, A.59, V.63, Y.66, F.67 Ligands: PEE.2, PEE.4 6 PLIP interactions: 3 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:L.19, B:L.45, B:L.48, A:A.59, A:V.63, A:F.67 PEE.2: 30 residues within 4Å: Chain A: C.12, I.15, V.16, L.19, Y.66, F.67, I.76, A.79, V.80, L.82 Chain B: L.19, M.22, F.28, I.32, F.35, L.36, Q.38, E.39, I.42, P.44, L.45, V.49, V.55, L.56, A.59, L.60, V.63, I.64, F.67 Ligands: PEE.1 11 PLIP interactions: 8 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:F.28, B:F.35, B:F.35, B:L.36, B:L.45, B:L.56, B:L.60, A:F.67, A:I.76, A:V.80 Hydrogen bonds: B:E.39 PEE.3: 4 residues within 4Å: Chain B: I.42, L.43, K.46, L.47 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:L.43 Salt bridges: B:K.46, B:K.46 PEE.4: 12 residues within 4Å: Chain A: I.32, F.35, L.36, V.63 Chain B: Y.66, Q.70, A.75, I.76, A.79, V.80, Q.87 Ligands: PEE.1 5 PLIP interactions: 2 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:V.80, A:F.35, A:F.35, A:V.63 Hydrogen bonds: B:Q.70

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Sever, N. et al., Mechanism of Lamellar Body Formation by Lung Surfactant Protein B. Mol.Cell (2021)

Release Date

2020-11-25

Peptides

Pulmonary surfactant-associated protein B: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
E

Pulmonary surfactant-associated protein B

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