1k9u Summary

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

The structure was published by Verdino, P., Westritschnig, K., Valenta, R., and Keller, W., in 2002 in a paper entitled "The cross-reactive calcium-binding pollen allergen, Phl p 7, reveals a novel dimer assembly" (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 1.75 Å and deposited in 2001.

The experimental data on which the structure is based was also deposited.

This PDB entry contains multiple copies of the structure of Polcalcin Phl p 7.

It also contains one or more heterogenic compounds (e.g., ligands, co-factors, ions, modified amino acids, etc.); see here for a complete list.

The molecule most likely forms homodimers.

The following tables show cross-reference information to other databases (to obtain a list of all PDB entries sharing the same property or classification, click on the magnifying glass icon):


Chain Name UniProt Name of source organism % of UniProt sequence present in the sample Residues in the sample molecules % of residues observed
A Polcalcin Phl p 7 O82040 (1-78) (POLC7_PHLPR)search Phleum pratensesearch 99% 78 97%
B Polcalcin Phl p 7 O82040 (1-78) (POLC7_PHLPR)search Phleum pratensesearch 99% 78 97%


This entry contains 1 unique UniProt protein:

UniProt accession Name Organism PDB
O82040 (1 - 78) Polcalcin Phl p 7 Phleum pratense

Chain Structural classification (SCOP) Structural classification (CATH) Sequence family (Pfam)
A, B (O82040) Polcalcinsearch EF-handsearch PF00036: EF handsearch

Chain ID Molecular function (GO)
A, B (O82040) calcium ion bindingsearch metal ion bindingsearch

Chain InterPro annotation
A, B EF-hand domainsearch EF-hand domain pairsearch EF-Hand 1, calcium-binding sitesearch