SMTL ID : 1r14.1

Carbohydrate recognition and neck domains of surfactant protein A (Sp-A) containing samarium

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

homo-trimer

Ligands

6 x SM: SAMARIUM (III) ION(Non-covalent)

SM.1: 6 residues within 4Å: Chain A: E.115, R.117, G.118, E.122, N.134, D.135 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 SM.2: 3 residues within 4Å: Chain A: E.91, K.121, E.122 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:E.91, A:E.91, A:K.121 SM.4: 6 residues within 4Å: Chain B: E.115, R.117, G.118, E.122, N.134, D.135 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 SM.5: 3 residues within 4Å: Chain B: E.91, K.121, E.122 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:E.91, B:E.91, B:K.121 SM.7: 6 residues within 4Å: Chain C: E.115, R.117, G.118, E.122, N.134, D.135 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 SM.8: 3 residues within 4Å: Chain C: E.91, K.121, E.122 3 PLIP interactions: 3 interactions with chain C Metal complexes: C:E.91, C:E.91, C:K.121

3 x MES: 2-(N-MORPHOLINO)-ETHANESULFONIC ACID(Non-covalent)

MES.3: 5 residues within 4Å: Chain A: N.82, N.83, Y.84, T.129, R.142 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:N.82, A:N.83, A:Y.84, A:Y.84 Water bridges: A:Y.84 pi-Cation interactions: A:Y.84 MES.6: 5 residues within 4Å: Chain B: N.82, N.83, Y.84, T.129, R.142 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:N.82, B:N.83, B:Y.84, B:Y.84 Water bridges: B:Y.84 pi-Cation interactions: B:Y.84 MES.9: 5 residues within 4Å: Chain C: N.82, N.83, Y.84, T.129, R.142 6 PLIP interactions: 6 interactions with chain C Hydrogen bonds: C:N.82, C:N.83, C:Y.84, C:Y.84 Water bridges: C:Y.84 pi-Cation interactions: C:Y.84

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Head, J.F. et al., Crystal structure of trimeric carbohydrate recognition and neck domains of surfactant protein A. J.Biol.Chem. (2003)

Release Date

2003-11-11

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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