SMTL ID : 1k9u.1

Crystal Structure of the Calcium-Binding Pollen Allergen Phl p 7 (Polcalcin) at 1.75 Angstroem

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

homo-dimer

Ligands

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

SO4.1: 2 residues within 4Å: Chain A: D.38, R.42 5 PLIP interactions: 5 interactions with chain A Water bridges: A:D.38, A:D.38, A:R.42, A:R.42 Salt bridges: A:R.42 SO4.4: 4 residues within 4Å: Chain B: D.50, D.56, N.58, E.59 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:D.50, B:N.58 Water bridges: B:T.49, B:N.58 SO4.5: 2 residues within 4Å: Chain A: K.76 Chain B: R.42 4 PLIP interactions: 2 interactions with chain A, 2 interactions with chain B Water bridges: A:K.76, B:R.42 Salt bridges: A:K.76, B:R.42

4 x CA: CALCIUM ION(Non-covalent)

CA.2: 5 residues within 4Å: Chain A: D.13, N.15, D.17, K.19, E.24 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.13, A:D.17, A:K.19, A:E.24, H2O.1 CA.3: 5 residues within 4Å: Chain A: D.48, D.50, D.52, F.54, E.59 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.48, A:F.54, A:E.59, A:E.59, H2O.1 CA.6: 5 residues within 4Å: Chain B: D.13, N.15, D.17, K.19, E.24 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.13, B:D.17, B:K.19, B:E.24, H2O.3 CA.7: 5 residues within 4Å: Chain B: D.48, D.50, D.52, F.54, E.59 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.48, B:F.54, B:E.59, B:E.59, H2O.3

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Verdino, P. et al., The cross-reactive calcium-binding pollen allergen, Phl p 7, reveals a novel dimer assembly. EMBO J. (2002)

Release Date

2003-04-30

Peptides

Polcalcin Phl p 7: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Polcalcin Phl p 7