SMTL ID : 4wux.1

Crystal Structure of Surfactant Protein-A DED Mutant (E171D/P175E/K203D) Complexed with Mannose

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

homo-trimer

Ligands

9 x MAN: alpha-D-mannopyranose(Non-covalent)

MAN.1: 7 residues within 4Å: Chain A: E.115, R.117, E.122, N.134, D.135, R.136 Ligands: CA.4 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:R.117, A:E.122, A:N.134, A:N.134 Water bridges: A:Y.128 MAN.2: 9 residues within 4Å: Chain A: N.61, I.62, V.64, R.66, G.88, Y.100, L.101, D.102, E.147 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:I.62, A:G.88, A:L.101, A:D.102, A:E.147 Water bridges: A:N.61 Salt bridges: A:R.66 MAN.3: 5 residues within 4Å: Chain A: F.48, D.49, D.92, D.123, C.138 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:D.49, A:K.52, A:K.52 Water bridges: A:D.49 MAN.6: 7 residues within 4Å: Chain B: E.115, R.117, E.122, N.134, D.135, R.136 Ligands: CA.9 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:R.117, B:E.122, B:N.134, B:N.134 Water bridges: B:Y.128 MAN.7: 9 residues within 4Å: Chain B: N.61, I.62, V.64, R.66, G.88, Y.100, L.101, D.102, E.147 7 PLIP interactions: 7 interactions with chain B Hydrogen bonds: B:I.62, B:G.88, B:L.101, B:D.102, B:E.147 Water bridges: B:N.61 Salt bridges: B:R.66 MAN.8: 5 residues within 4Å: Chain B: F.48, D.49, D.92, D.123, C.138 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:D.49, B:K.52, B:K.52 Water bridges: B:D.49 MAN.11: 7 residues within 4Å: Chain C: E.115, R.117, E.122, N.134, D.135, R.136 Ligands: CA.14 5 PLIP interactions: 5 interactions with chain C Hydrogen bonds: C:R.117, C:E.122, C:N.134, C:N.134 Water bridges: C:Y.128 MAN.12: 9 residues within 4Å: Chain C: N.61, I.62, V.64, R.66, G.88, Y.100, L.101, D.102, E.147 7 PLIP interactions: 7 interactions with chain C Hydrogen bonds: C:I.62, C:G.88, C:L.101, C:D.102, C:E.147 Water bridges: C:N.61 Salt bridges: C:R.66 MAN.13: 5 residues within 4Å: Chain C: F.48, D.49, D.92, D.123, C.138 4 PLIP interactions: 4 interactions with chain C Hydrogen bonds: C:D.49, C:K.52, C:K.52 Water bridges: C:D.49

6 x CA: CALCIUM ION(Non-covalent)

CA.4: 6 residues within 4Å: Chain A: E.115, R.117, E.122, N.134, D.135 Ligands: MAN.1 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:E.115, A:R.117, A:E.122, A:D.135, A:D.135 CA.5: 5 residues within 4Å: Chain A: D.91, F.98, Q.119, E.122, D.135 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:D.91, A:D.135 CA.9: 6 residues within 4Å: Chain B: E.115, R.117, E.122, N.134, D.135 Ligands: MAN.6 5 PLIP interactions: 5 interactions with chain B Metal complexes: B:E.115, B:R.117, B:E.122, B:D.135, B:D.135 CA.10: 5 residues within 4Å: Chain B: D.91, F.98, Q.119, E.122, D.135 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:D.91, B:D.135 CA.14: 6 residues within 4Å: Chain C: E.115, R.117, E.122, N.134, D.135 Ligands: MAN.11 5 PLIP interactions: 5 interactions with chain C Metal complexes: C:E.115, C:R.117, C:E.122, C:D.135, C:D.135 CA.15: 5 residues within 4Å: Chain C: D.91, F.98, Q.119, E.122, D.135 2 PLIP interactions: 2 interactions with chain C Metal complexes: C:D.91, C:D.135

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Rynkiewicz, M.J. et al., Differential ligand binding specificities of the pulmonary collectins are determined by the conformational freedom of a surface loop. To be published

Release Date

2016-02-10

Peptides

Pulmonary surfactant-associated protein A: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

C
A

Pulmonary surfactant-associated protein A

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