4X0N image
Deposition Date 2014-11-21
Release Date 2015-11-25
Last Version Date 2024-10-09
Entry Detail
PDB ID:
4X0N
Keywords:
HYDROLASE/HYDROLASE INHIBITOR
Title:
Porcine pancreatic alpha-amylase in complex with helianthamide, a novel proteinaceous inhibitor
Biological Source:
Source Organism:
Stichodactyla helianthus (Taxon ID: 6123)
Sus scrofa (Taxon ID: 9823)
Method Details:
Experimental Method:
X-RAY DIFFRACTION
Resolution:
2.60 Å
R-Value Free:
0.22
R-Value Work:
0.18
R-Value Observed:
0.18
Space Group:
P 21 21 21
4X0N validation report
Macromolecular Entities
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Pancreatic alpha-amylase
Gene (Uniprot):AMY2
Chain IDs:A
Chain Length:496
Number of Molecules:1
Biological Source:Sus scrofa
UniProt ID:P00690 Pfam ID:PF00128, PF02806 EC:3.2.1.1
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Helianthamide
Chain IDs:B
Chain Length:44
Number of Molecules:1
Biological Source:Stichodactyla helianthus
UniProt ID:A0A0X1KGZ5
Modified Residue
Compound ID Chain ID Parent Comp ID Details 2D Image
PCA A GLN modified residue
Ligand Molecules
CA
CL
GOL
Primary Citation
Structural Templating and Guided Refolding of the Potent Naturally Occurring Peptide Helianthamide Within the Active Site of Amylase, a Diabetes and Obesity Therapeutic Target
To Be Published ? ? ? (?)
Primary Citation of related structures
4X0N