4QRX image
Deposition Date 2014-07-02
Release Date 2015-08-05
Last Version Date 2024-10-30
Entry Detail
PDB ID:
4QRX
Keywords:
HYDROLASE
Title:
Crystal structure of pro-papain mutant at pH 4.0
Biological Source:
Source Organism:
Carica papaya (Taxon ID: 3649)
Host Organism:
Escherichia coli
Method Details:
Experimental Method:
X-RAY DIFFRACTION
Resolution:
3.14 Å
R-Value Free:
0.25
R-Value Work:
0.16
R-Value Observed:
0.16
Space Group:
P 1 21 1
4QRX validation report
Macromolecular Entities
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:pro-papain
Mutagens:C132A, V139S, G143S, K281R
Chain IDs:A, B (auth: C)
Chain Length:363
Number of Molecules:2
Biological Source:Carica papaya
UniProt ID:P00784 Pfam ID:PF08246, PF00112 EC:3.4.22.2
Primary Citation
Pro-peptide regulates the substrate specificity and zymogen activation process of papain: A structural and mechanistic insight
to be published ? ? ? (?)
Primary Citation of related structures
4QRG
4QRV