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Crystal structure of the calcium-binding pollen allergen phl P 7 (polcalcin) at 1.75 angstroem

Analyse Crystal structure of the calcium-binding pollen allergen phl P 7 (polcalcin) at… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB: 1K9U
Type: protein
Length: 152 residues
Chains: 2
Method: x-ray diffraction
Collection: MolNFT v1 / PDB
Contract: 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner: 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule: Polcalcin phl P 7
UniProt: O82040
Ligands: CA, SO4
Pockets: 1 · best druggability 0.87

Structure

x-ray diffraction · 1 distinct chain · 66% helix, 5% strand (DSSP).

Chain	Molecule	Type	Residues	Secondary structure	UniProt
A, B	Polcalcin phl P 7	protein	76	66% helix, 5% strand	O82040

Ligands and binding sites

CA · Calcium ion · metal · 4 copies · chains A, B
SO4 · Sulfate ion · ion · 3 copies · chains A, B

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

1 pocket found on a 1 Å grid, 1 with a druggability of 0.5 or more.

Pocket	Volume (Å³)	Druggability	Buriedness	Lining residues	Inside
1	319	0.87	0.96	36	empty

Interfaces

1 interface between chains.

A–B · 2653 Å² buried · 24 hydrogen bonds · protein-protein

Compared structures

1K9U · Crystal Structure of the Calcium-Binding Pollen Allergen Phl p 7 (Polcalcin) at 1.75… · the same entry in another collection · chain A against A, TM-score 1.00
O82040 · AlphaFold monomer V2.0 prediction for polcalcin phl P 7 (O82040) · a predicted model of the same protein · chain A against A, TM-score 0.55

Analyse

Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
Every structure of UniProt O82040
Elsewhere: RCSB PDB 1K9U · PDBe 1K9U · UniProt O82040

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